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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem’s R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantiti

Dimethylcyclosiloxane

Cas:556-67-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

our strengths: 1: Fast and guaranteed shipment (TNT;EMS;FEDEX;DHL;UPS;EUB, special line) 2: Various payment items accepted (Btc; MoneyGram; WU) 3: Valued package (Paraffin coating; Double aluminum foil bag; Vacuum packaging) 4: Efficient delivery

High Purity Octamethyl cyclotetrasiloxane CAS NO.556-67-2

Cas:556-67-2

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Zhejiang Puka Chemical CO., Ltd.

(1) monomer size: the current 50000 tons of monomer, Inner Mongolia 300000 tons of monomer is new, after the completion of the monomer scale to reach the country second. (2) technology: 84 a selectivity of 85% - two, reached the best level of domesti

D4, Octamethyl cyclotetrasiloxane

Cas:556-67-2

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Shanxi Zorui Biotechnology Co.Ltd.

Zorui combines R&D, production and sales into its operations, While continuously providing high-quality raw materials, we also provide and optimize technical solutions for customers to achieve mutual benefit. We adhere to the "quality, integ

Hangzhou ZeErRui Chemical Co., Ltd.

Hangzhou ZeErRui Chemical Co., Ltd. located in Lingang industrial areas, our plant covers an area of 6000 square meters.ZeErRui dedicated to the development, production and marketing of chemicals. We have earned ourselves a good reputation at home

Octamethylcyclotetrasiloxane manufacture

Cas:556-67-2

Min.Order:3 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Dayi Chemical Co., Ltd.

Dayi Chemical Group, famous for its high technology, is an important organosilane production base in North China and a Shandong hi-tech enterprise. Specializing in the development, production, sales and service of organosiliane pro

factory of D4 Octamethylcyclotetrasiloxane

Cas:556-67-2

Min.Order:200 Kilogram

FOB Price: $2750.0

Type:Manufacturers

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Stock products, own laboratory Product number 22488 English Name octamethylcyclotetrasiloxane CAS Number 556-67-2 Purity 9

octamethylcyclotetrasiloxane cas no. 556-67-2 98%

Cas:556-67-2

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality Octamethylcyclotetrasiloxane supplier in China

Cas:556-67-2

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience 2. Free samples will be provided,ensure specifications and quality are right for customer 3. Customers will receive the most professional techn

Large Stock 99.0% Octamethylcyclotetrasiloxane 556-67-2 Producer

Cas:556-67-2

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply Octamethylcyclotetrasiloxane

Cas:556-67-2

Min.Order:1

Negotiable

Type:Other

inquiry

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

Octamethylcyclotetrasiloxane

Cas:556-67-2

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Product Name: Octamethylcyclotetrasiloxane Synonyms: DIMETHYLSILOXANE CYCLIC TETRAMER;D4;OCTAMETHYLCYCLOTETRASILOXANE;OCTAMETHYLTETRASILOXANE;VOLASIL(TM) 244;2,2,4,4,6,6,8,8-Octamethyl-1,3,5,7,2,4,6,8-tetra

Octamethylcyclotetrasiloxane_

Cas:556-67-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com/pro01en/id/364.html Product Name Octamethylcyclotetrasiloxane CAS No.

Octamethylcyclotetrasiloxane

Cas:556-67-2

Min.Order:1 Gram

FOB Price: $12.0

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufactu

CAS:556-67-2 Octamethylcyclotetrasiloxane

Cas:556-67-2

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Hot productCAS 556-67-2 with competitive price

Cas:556-67-2

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

inquiry

Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

Octamethylcyclotetrasiloxane/D4 556-67-2

Cas:556-67-2

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W

Octamethylcyclotetrasiloxane CAS556-67-2

Cas:556-67-2

Min.Order:1 Kilogram

FOB Price: $7.0 / 9.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Product Name: Octamethylcyclotetrasiloxane Synonyms: Octamethyl cyclotetrasilazane; octaphenyl silsesquioxane; Octamethylcyclotetrasiloxane; 2,2,4,4,6,6,8,8-octamethyl-1,3,5,7,2,4,6,8-tetroxatetrasi

Octamethylcyclotetrasiloxane

Cas:556-67-2

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

Cyclotetrasiloxane,octamethyl- (8CI,9CI) 556-67-2

Cas:556-67-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

Changchun Artel lmport and Export trade company

Minimum Order Qty. 10 Gram Supply Ability 500 Kilograms/Month Storage store in cool, dry, ventilated place 20℃ Delivery Time 3 business days after payment Payment Term TT,western union,Paypal,MoneyGram Package 10g,20g,50g,100g,500g,1KGS,5KGS,10KGS,25

High quality Octamethylcyclotetrasiloxane with lowest price CAS No.556-67-2

Cas:556-67-2

Min.Order:10 Gram

Negotiable

Type:Trading Company

inquiry

Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present,

Octamethylcyclotetrasiloxane

Cas:556-67-2

Min.Order:1 Kilogram

FOB Price: $20.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Beluga chemical professional supply Octamethylcyclotetrasiloxane Why choose Beluga chemical 1. Beluga Chemical has a professional RESEARCH and development team and strong technical force to ensure technical support and research capabilities. 2. Ma

Octamethylcyclotetrasiloxane

Cas:556-67-2

Min.Order:1 Kiloliter

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

Cyclotetrasiloxane,octamethyl- (8CI,9CI)

Cas:556-67-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

CAS NO.:556-67-2

Cas:556-67-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures

Octamethylcyclotetrasiloxane

Cas:556-67-2

Min.Order:1 Kilogram

FOB Price: $20.0 / 50.0

Type:Lab/Research institutions

inquiry

Triumph International Development Limilted

Appearance:colorless transparent oily liquid, fla... Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:used to make Silicone oil, silicone ru... Transportation:Comm

Octamethyl cyclotetrasiloxane

Cas:556-67-2

Min.Order:100 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Jiutian Bio-medical Technology Co., Ltd

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

Octamethylcyclotetrasiloxane CAS 556-67-2

Cas:556-67-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

Octamethylcyclotetrasiloxane

Cas:556-67-2

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

OCTAMETHYL CYCLOTETRASILOXANE

Cas:556-67-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

2,2,4,4,6,6-hexamethyl-8,8-divinylcyclotetrasiloxane
433725-45-2

2,2,4,4,6,6-hexamethyl-8,8-divinylcyclotetrasiloxane

A

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

B

decamethylcyclopentasiloxane
541-02-6

decamethylcyclopentasiloxane

C

tetravinyltetramethylcyclotetrasiloxane

tetravinyltetramethylcyclotetrasiloxane

D

copoly(dimethylsiloxane/divinylsiloxane), prepared by anionic polymerization of 2,2,4,4,6,6-hexamethyl-8,8-divinylcyclotetrasiloxane; monomer(s): 2,2,4,4,6,6-hexamethyl-8,8-divinylcyclotetrasiloxane

copoly(dimethylsiloxane/divinylsiloxane), prepared by anionic polymerization of 2,2,4,4,6,6-hexamethyl-8,8-divinylcyclotetrasiloxane; monomer(s): 2,2,4,4,6,6-hexamethyl-8,8-divinylcyclotetrasiloxane

Conditions
ConditionsYield
With P4-t-Bu at 80℃; for 0.333333h; Further byproducts given;A n/a
B n/a
C n/a
D 80%
dimethyl sulfoxide
67-68-5

dimethyl sulfoxide

dimethylsilicon dichloride
75-78-5

dimethylsilicon dichloride

A

chloro-methylsulfanyl-methane
2373-51-5

chloro-methylsulfanyl-methane

B

Hexamethylcyclotrisiloxane
541-05-9

Hexamethylcyclotrisiloxane

C

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

D

decamethylcyclopentasiloxane
541-02-6

decamethylcyclopentasiloxane

E

dodecamethyl-cyclohexasiloxane
540-97-6

dodecamethyl-cyclohexasiloxane

Conditions
ConditionsYield
at 0℃; Mechanism; other diorganyldichlorosilanes; reactions in the presence of hexamethyldisiloxane, trimethylchlorosilane, tetramethoxysilane, tetraethoxysilane;A 79%
B 48%
C 35%
D 12%
E 5%
dimethyl sulfoxide
67-68-5

dimethyl sulfoxide

A

chloro-methylsulfanyl-methane
2373-51-5

chloro-methylsulfanyl-methane

B

Hexamethylcyclotrisiloxane
541-05-9

Hexamethylcyclotrisiloxane

C

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

D

decamethylcyclopentasiloxane
541-02-6

decamethylcyclopentasiloxane

Conditions
ConditionsYield
With dimethylsilicon dichloride at 0℃; Further byproducts given;A 79%
B 48%
C 35%
D 5%
phenyltrimethylsilyl ether
1529-17-5

phenyltrimethylsilyl ether

A

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

B

dimethyl-diphenoxy-silane
3440-02-6

dimethyl-diphenoxy-silane

C

C13H26O3Si3
18406-79-6

C13H26O3Si3

D

C11H20O2Si2

C11H20O2Si2

Conditions
ConditionsYield
With gallium(III) iodide at 175 - 180℃; for 3h; Yield given; Further byproducts given. Title compound not separated from byproducts;A n/a
B 79%
C n/a
D n/a
bis(trimethylsilyl)ketene
19061-00-8

bis(trimethylsilyl)ketene

A

Hexamethylcyclotrisiloxane
541-05-9

Hexamethylcyclotrisiloxane

B

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

C

trimethylsilylacetylene
1066-54-2

trimethylsilylacetylene

Conditions
ConditionsYield
at 700℃; flash vacuum pyrolysis;A 22%
B 16%
C 76%
(trimethylsilyl)(dimethylsilyl)ketene
98991-82-3

(trimethylsilyl)(dimethylsilyl)ketene

A

Hexamethylcyclotrisiloxane
541-05-9

Hexamethylcyclotrisiloxane

B

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

C

trimethylsilylacetylene
1066-54-2

trimethylsilylacetylene

Conditions
ConditionsYield
at 700℃;A 22%
B 16%
C 76%
1-(1-Adamantyl)-2-diazo-2-(pentamethyldisilanyl)ethanone
87594-05-6

1-(1-Adamantyl)-2-diazo-2-(pentamethyldisilanyl)ethanone

A

Hexamethylcyclotrisiloxane
541-05-9

Hexamethylcyclotrisiloxane

B

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

C

1-(trimethylsilylethynyl)adamantane
82094-48-2

1-(trimethylsilylethynyl)adamantane

Conditions
ConditionsYield
at 400℃;A 21%
B 20%
C 73%
(benzylimino)triphenylphosphorane
52826-45-6

(benzylimino)triphenylphosphorane

3,3-dimethyl-6-oxa-3-silabicyclo<3.1.0>hexane
65181-02-4

3,3-dimethyl-6-oxa-3-silabicyclo<3.1.0>hexane

A

Hexamethylcyclotrisiloxane
541-05-9

Hexamethylcyclotrisiloxane

B

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

C

2,2,4,4-tetramethyl-6-vinyl-1,3-dioxa-2,4-disilacyclohexane
113017-78-0

2,2,4,4-tetramethyl-6-vinyl-1,3-dioxa-2,4-disilacyclohexane

D

buta-1,3-diene
106-99-0

buta-1,3-diene

Conditions
ConditionsYield
at 130℃; for 1h;A n/a
B n/a
C 70%
D n/a
at 130℃; for 1h;
dimethylsilicon dichloride
75-78-5

dimethylsilicon dichloride

A

Hexamethylcyclotrisiloxane
541-05-9

Hexamethylcyclotrisiloxane

B

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

Conditions
ConditionsYield
With water Autoclave;A 63.7%
B 27.2%
With water In toluene at 20℃; for 27h;A 17 % Chromat.
B 38%
With water Autoclave;A 15.9%
B 17.4%
With water In toluene at 20℃; for 27h;A 4%
B 44 % Chromat.
With tetrabutylammonium tetrafluoroborate; oxygen In tetrahydrofuran Product distribution; Further Variations:; Reagents; amount of electricity; type of electrolysis cell; Electrochemical reaction;
Hexamethylcyclotrisiloxane
541-05-9

Hexamethylcyclotrisiloxane

1,2-silaoxetene 2,2-dimethyl-3-(trimethylsilyl)-4-adamantyl-1-oxa-2-silacyclobutene
88703-87-1

1,2-silaoxetene 2,2-dimethyl-3-(trimethylsilyl)-4-adamantyl-1-oxa-2-silacyclobutene

A

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

B

1-(trimethylsilylethynyl)adamantane
82094-48-2

1-(trimethylsilylethynyl)adamantane

Conditions
ConditionsYield
In benzene at 120℃;A 48%
B 62%
diallyl(dimethyl)silane
1113-12-8

diallyl(dimethyl)silane

Trifluoromethanesulfonamide
421-85-2

Trifluoromethanesulfonamide

A

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

B

3,7,9-tris(trifluoromethylsulfonyl)-3,7,9-triazabicyclo[3.3.1]nonane

3,7,9-tris(trifluoromethylsulfonyl)-3,7,9-triazabicyclo[3.3.1]nonane

C

N,N',N''-propane-1,2,3-triyltris(triflamide)

N,N',N''-propane-1,2,3-triyltris(triflamide)

Conditions
ConditionsYield
With tert-butylhypochlorite; sodium iodide In acetonitrile at -30℃; for 24h; Inert atmosphere; Darkness;A n/a
B 28%
C 61%
diiododimethylsilane
15576-81-5

diiododimethylsilane

A

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

B

decamethylcyclopentasiloxane
541-02-6

decamethylcyclopentasiloxane

Conditions
ConditionsYield
With 3,3-dimethyl-butan-2-one; zinc In dichloromethane for 0.166667h; Ambient temperature;A 60%
B 18%
dimethylsilicon dichloride
75-78-5

dimethylsilicon dichloride

A

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

B

Tetradecamethylcycloheptasilan
13452-94-3

Tetradecamethylcycloheptasilan

C

decamethylcyclopentasilane
13452-92-1

decamethylcyclopentasilane

D

dodecamethylcyclohexasilane
4098-30-0

dodecamethylcyclohexasilane

Conditions
ConditionsYield
With tetrahydrofuran; lithium 0 deg C, 1 h, then 20-25 deg C, 2 h; Further byproducts given. Yields of byproduct given;A n/a
B n/a
C 60%
D n/a
With tetrahydrofuran; lithium 0 deg C, 1 h, then 20-25 deg C, 2 h; Further byproducts given. Yields of byproduct given;A n/a
B n/a
C n/a
D 60%
With tetrahydrofuran; lithium at -5 - 0℃; for 1h; Yield given. Further byproducts given. Yields of byproduct given;
dimethylsilicon dichloride
75-78-5

dimethylsilicon dichloride

A

Hexamethylcyclotrisiloxane
541-05-9

Hexamethylcyclotrisiloxane

B

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

C

decamethylcyclopentasiloxane
541-02-6

decamethylcyclopentasiloxane

Conditions
ConditionsYield
With pyridine; sodium hydrogencarbonate In ethyl acetate at 20℃; for 3h;A 60%
B 20%
C 15%
With water Autoclave;A 51.3%
B 29.2%
C 8%
With composite catalyst at 150℃; under 675.068 Torr; for 0.5h; Temperature; Pressure; Reagent/catalyst; Large scale;A n/a
B 43%
C n/a
dimethylsilicon dichloride
75-78-5

dimethylsilicon dichloride

A

Hexamethylcyclotrisiloxane
541-05-9

Hexamethylcyclotrisiloxane

B

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

C

decamethylcyclopentasiloxane
541-02-6

decamethylcyclopentasiloxane

D

dodecamethyl-cyclohexasiloxane
540-97-6

dodecamethyl-cyclohexasiloxane

Conditions
ConditionsYield
With dimethyl sulfoxide at 0℃; Further byproducts given;A 48%
B 35%
C 12%
D 5%
With tetrahydrofuran; lithium at 40 - 45℃; for 1h; Yield given. Further byproducts given. Yields of byproduct given;
With hydrogenchloride In toluene at 20℃; for 4h; Yield given. Further byproducts given. Yields of byproduct given;
(allyl)(cyclopentadienyl)dimethylsilane
17306-11-5

(allyl)(cyclopentadienyl)dimethylsilane

benzaldehyde
100-52-7

benzaldehyde

A

Hexamethylcyclotrisiloxane
541-05-9

Hexamethylcyclotrisiloxane

B

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

C

6-phenylfulvene
7338-50-3

6-phenylfulvene

Conditions
ConditionsYield
A n/a
B n/a
C 47%
dimethylsilicon dichloride
75-78-5

dimethylsilicon dichloride

A

tetradecamethylcycloheptasiloxane
107-50-6

tetradecamethylcycloheptasiloxane

B

Hexamethylcyclotrisiloxane
541-05-9

Hexamethylcyclotrisiloxane

C

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

D

decamethylcyclopentasiloxane
541-02-6

decamethylcyclopentasiloxane

E

dodecamethyl-cyclohexasiloxane
540-97-6

dodecamethyl-cyclohexasiloxane

Conditions
ConditionsYield
With H2O In water slow addn. of 4l (CH3)2SiCl2 to 12l H2O at 15-20°C withorous stirring; further products;; distn.;;A n/a
B 0.5%
C 42%
D 6.7%
E 1.6%
With hydrogenchloride In toluene at 20℃; for 4h; Product distribution; diff. concentration of aq. HCl; diff. reaction time; other difunctional organochlorosilanes;
With H2O In diethyl ether; water addn. of (CH3)2SiCl2 to ether-H2O; further products;; distn.;;
dimethylsilicon dichloride
75-78-5

dimethylsilicon dichloride

A

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

B

decamethylcyclopentasiloxane
541-02-6

decamethylcyclopentasiloxane

Conditions
ConditionsYield
With water at 15 - 20℃; Autoclave;A 42%
B 6.7%
2,3-dimethyl-3,4-epoxy-1-butene
34485-82-0

2,3-dimethyl-3,4-epoxy-1-butene

dodecamethylcyclohexasilane
4098-30-0

dodecamethylcyclohexasilane

A

Hexamethylcyclotrisiloxane
541-05-9

Hexamethylcyclotrisiloxane

B

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

C

2,2,4,5-tetramethyl-1-oxa-2-silacyclohex-4-ene

2,2,4,5-tetramethyl-1-oxa-2-silacyclohex-4-ene

D

2,3-dimethyl-buta-1,3-diene
513-81-5

2,3-dimethyl-buta-1,3-diene

Conditions
ConditionsYield
at 0℃; Irradiation;A 3%
B 4%
C 38%
D 25%
tetramethylorthosilicate
681-84-5

tetramethylorthosilicate

dimethylsilicon dichloride
75-78-5

dimethylsilicon dichloride

A

chloro-methylsulfanyl-methane
2373-51-5

chloro-methylsulfanyl-methane

B

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

C

1,1-dimethyltetramethoxydisiloxane
84521-21-1

1,1-dimethyltetramethoxydisiloxane

Conditions
ConditionsYield
With dimethyl sulfoxide at 0℃;A n/a
B n/a
C 37%
epoxybutene
930-22-3

epoxybutene

dodecamethylcyclohexasilane
4098-30-0

dodecamethylcyclohexasilane

A

Hexamethylcyclotrisiloxane
541-05-9

Hexamethylcyclotrisiloxane

B

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

C

2,2-dimethyl-1-oxa-2-silacyclohex-4-ene

2,2-dimethyl-1-oxa-2-silacyclohex-4-ene

D

buta-1,3-diene
106-99-0

buta-1,3-diene

Conditions
ConditionsYield
at 0℃; Irradiation;A 3%
B 6%
C 15%
D 35%
benzophenone
119-61-9

benzophenone

(allyl)(cyclopentadienyl)dimethylsilane
17306-11-5

(allyl)(cyclopentadienyl)dimethylsilane

A

Hexamethylcyclotrisiloxane
541-05-9

Hexamethylcyclotrisiloxane

B

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

C

6,6-Diphenylfulvene
2175-90-8

6,6-Diphenylfulvene

Conditions
ConditionsYield
With quartz In benzene at 600℃;A n/a
B n/a
C 28%
tetraethoxy orthosilicate
78-10-4

tetraethoxy orthosilicate

dimethylsilicon dichloride
75-78-5

dimethylsilicon dichloride

A

chloro-methylsulfanyl-methane
2373-51-5

chloro-methylsulfanyl-methane

B

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

C

1,1-dimethyl-1,3,3,3-tetraethoxydisiloxane
53201-01-7

1,1-dimethyl-1,3,3,3-tetraethoxydisiloxane

Conditions
ConditionsYield
With dimethyl sulfoxide at 0℃;A n/a
B n/a
C 28%
1,1,3,3-Tetramethyldisiloxane
3277-26-7

1,1,3,3-Tetramethyldisiloxane

A

tetradecamethylcycloheptasiloxane
107-50-6

tetradecamethylcycloheptasiloxane

B

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

C

decamethylcyclopentasiloxane
541-02-6

decamethylcyclopentasiloxane

D

dodecamethyl-cyclohexasiloxane
540-97-6

dodecamethyl-cyclohexasiloxane

Conditions
ConditionsYield
With iodine In dichloromethane for 0.333333h; Heating; Further byproducts given;A 14%
B 26%
C 21%
D 15%
chloro-trimethyl-silane
75-77-4

chloro-trimethyl-silane

dimethylsilicon dichloride
75-78-5

dimethylsilicon dichloride

A

Hexamethylcyclotrisiloxane
541-05-9

Hexamethylcyclotrisiloxane

B

decamethyltetrasiloxane
141-62-8

decamethyltetrasiloxane

C

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

D

dodecamethylpentasiloxane
141-63-9

dodecamethylpentasiloxane

Conditions
ConditionsYield
With water In toluene at 20℃; for 27h; Further byproducts given;A n/a
B 22%
C n/a
D 10 % Chromat.
With water In toluene at 20℃; for 27h; Further byproducts given;A n/a
B 22 % Chromat.
C n/a
D 10%
chloro-trimethyl-silane
75-77-4

chloro-trimethyl-silane

dimethylsilicon dichloride
75-78-5

dimethylsilicon dichloride

A

Hexamethylcyclotrisiloxane
541-05-9

Hexamethylcyclotrisiloxane

B

decamethyltetrasiloxane
141-62-8

decamethyltetrasiloxane

C

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

D

tetradecamethylhexasiloxane
107-52-8

tetradecamethylhexasiloxane

Conditions
ConditionsYield
With water In toluene at 20℃; for 27h; Further byproducts given;A n/a
B 22%
C n/a
D 6 % Chromat.
dodecamethylcyclohexasilane
4098-30-0

dodecamethylcyclohexasilane

A

Hexamethylcyclotrisiloxane
541-05-9

Hexamethylcyclotrisiloxane

B

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

C

octamethylcyclotetrasilane
38041-04-2

octamethylcyclotetrasilane

D

decamethylcyclopentasilane
13452-92-1

decamethylcyclopentasilane

Conditions
ConditionsYield
With sodium perchlorate In tetrahydrofuran Photolysis;A 73 % Chromat.
B 20%
C n/a
D n/a
1-trimethylsilyl-μ3-S,S'-ethylenedithiolatohexacarbonyldiiron

1-trimethylsilyl-μ3-S,S'-ethylenedithiolatohexacarbonyldiiron

A

Hexamethyldisiloxane
107-46-0

Hexamethyldisiloxane

B

Hexamethylcyclotrisiloxane
541-05-9

Hexamethylcyclotrisiloxane

C

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

Conditions
ConditionsYield
In decane byproducts: H2S; Ar atmosphere; decompn. (165°C, 13 h); GLC, chromato-mass spectroscopy;A 15%
B 15%
C 15%
1-chloro-1,1,3,3,3-pentamethyldisiloxane
2943-62-6

1-chloro-1,1,3,3,3-pentamethyldisiloxane

A

trimethylsilyl iodide
16029-98-4

trimethylsilyl iodide

B

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

C

1-chloroheptamethyltrisiloxane
18297-87-5

1-chloroheptamethyltrisiloxane

D

1-chloro-1,1,3,3,5,5,7,7,7-nonamethyltetrasiloxane
14415-31-7

1-chloro-1,1,3,3,5,5,7,7,7-nonamethyltetrasiloxane

Conditions
ConditionsYield
With sodium iodide In acetonitrile for 18h; Mechanism; Ambient temperature; other siloxanes; other reagent, var. temp.;A 14%
B 10%
C n/a
D n/a
octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

Hexamethylcyclotrisiloxane
541-05-9

Hexamethylcyclotrisiloxane

Conditions
ConditionsYield
With aluminium(III) iodide at 140 - 170℃; for 5h;99%
octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

1,3-bis(3-azidopropyl)-1,1,3,3-tetramethyldisiloxane
1152310-87-6

1,3-bis(3-azidopropyl)-1,1,3,3-tetramethyldisiloxane

C50H144N6O21Si22

C50H144N6O21Si22

Conditions
ConditionsYield
With trifluorormethanesulfonic acid at 60℃; for 13h;98%
1,1,3,3-Tetramethyldisiloxane
3277-26-7

1,1,3,3-Tetramethyldisiloxane

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

(dimethoxy)methylsilane
16881-77-9

(dimethoxy)methylsilane

C12H29N9O4Si3

C12H29N9O4Si3

C110H323N9O51Si52

C110H323N9O51Si52

Conditions
ConditionsYield
With trifluorormethanesulfonic acid at 20 - 60℃; for 15.25h;95%
Hexamethyldisiloxane
107-46-0

Hexamethyldisiloxane

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

polyhydridomethylsiloxane

polyhydridomethylsiloxane

hydridomethyldimethylsiloxane copolymer

hydridomethyldimethylsiloxane copolymer

Conditions
ConditionsYield
With China clay; sulfuric acid at 100℃; for 120h;94.3%
1,1,3,3-Tetramethyldisiloxane
3277-26-7

1,1,3,3-Tetramethyldisiloxane

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

C4H11N3O2Si

C4H11N3O2Si

C48H143N3O22Si23

C48H143N3O22Si23

Conditions
ConditionsYield
With trifluorormethanesulfonic acid at 20 - 60℃; for 15.25h;94%
1,1,3,3-Tetramethyldisiloxane
3277-26-7

1,1,3,3-Tetramethyldisiloxane

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

1,1,3,3,5,5,7,7,9,9,11,11-dodecamethylhexasiloxane
995-82-4

1,1,3,3,5,5,7,7,9,9,11,11-dodecamethylhexasiloxane

Conditions
ConditionsYield
With Kg-23 catalyst at 80℃; for 12h; Inert atmosphere;93%
With potassium hydroxide In water; toluene at 50℃; for 2h;72.9%
With sulfuric acid
With trimethylsilyl trifluoromethanesulfonate for 24h;
octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

tetra(n-butyl)ammonium hydroxide
2052-49-5

tetra(n-butyl)ammonium hydroxide

C16H36N(1+)*C6H19O4Si3(1-)

C16H36N(1+)*C6H19O4Si3(1-)

Conditions
ConditionsYield
In methanol92%
octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

dimethylaluminum hydride
865-37-2

dimethylaluminum hydride

(CH3)2Si((OAl(CH3)2)2Si(CH3)2H)2
254763-44-5

(CH3)2Si((OAl(CH3)2)2Si(CH3)2H)2

Conditions
ConditionsYield
In hexane stirring (4 d); distn. (vac.);90%
octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

trimethylaluminum
75-24-1

trimethylaluminum

((CH3)2Al(OSi(CH3)3))2

((CH3)2Al(OSi(CH3)3))2

Conditions
ConditionsYield
mixed in a quarts tube; heated to 180°C for 24 h; pressure (28 psig); purified by vac. distillation; recrystd. (cold pentane, or vac. sublimation); elem. anal.;90%
octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

1,5-disodiumoxyhexamethyltrisiloxane

1,5-disodiumoxyhexamethyltrisiloxane

Conditions
ConditionsYield
With sodium hydroxide In methanol for 4h; Time; Reflux;90%
octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

1,3-bis(3-azidopropyl)-1,1,3,3-tetramethyldisiloxane
1152310-87-6

1,3-bis(3-azidopropyl)-1,1,3,3-tetramethyldisiloxane

C30H84N6O11Si12

C30H84N6O11Si12

Conditions
ConditionsYield
With trifluorormethanesulfonic acid at 60℃; for 13h;90%
tetramethyldivinyldisiloxane
2627-95-4

tetramethyldivinyldisiloxane

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

Polymer, Mn 580; Monomer(s): 1,3-divinyl-1,1,3,3-tetramethyldivinylsiloxane; octamethylcyclotetrasiloxane

Polymer, Mn 580; Monomer(s): 1,3-divinyl-1,1,3,3-tetramethyldivinylsiloxane; octamethylcyclotetrasiloxane

Conditions
ConditionsYield
With sulfuric acid at 20℃; for 4h;89%
1,1,3,3-Tetramethyldisiloxane
3277-26-7

1,1,3,3-Tetramethyldisiloxane

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

C20H62O9Si10
33006-95-0

C20H62O9Si10

Conditions
ConditionsYield
With Kg-23 catalyst In toluene at 80℃; for 12h; Inert atmosphere;86%
With sulfuric acid
With trimethylsilyl trifluoromethanesulfonate for 24h;
octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

(E)-But-2-enedioic acid mono-(3-{3-[3-((E)-3-carboxy-acryloyloxy)-propyl]-1,1,3,3-tetramethyl-disiloxanyl}-propyl) ester
88351-31-9

(E)-But-2-enedioic acid mono-(3-{3-[3-((E)-3-carboxy-acryloyloxy)-propyl]-1,1,3,3-tetramethyl-disiloxanyl}-propyl) ester

C34H78O17Si10

C34H78O17Si10

Conditions
ConditionsYield
With KU-23 ion-exchange resin at 90℃; for 7h;86%
octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

A

trimethylsilyl iodide
16029-98-4

trimethylsilyl iodide

B

Hexamethyldisiloxane
107-46-0

Hexamethyldisiloxane

C

methyl iodide
74-88-4

methyl iodide

Conditions
ConditionsYield
With aluminium(III) iodide at 140 - 170℃; for 5h;A n/a
B 83.5%
C n/a
octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

2,4,6,8-tetramethyl-2,4,6,8-tetravinyl-cyclotetrasiloxane
2554-06-5

2,4,6,8-tetramethyl-2,4,6,8-tetravinyl-cyclotetrasiloxane

2-vinyl-2,4,4,6,6-pentamethylcyclotrisiloxane
18395-32-9

2-vinyl-2,4,4,6,6-pentamethylcyclotrisiloxane

Conditions
ConditionsYield
With triphenylphosphine; potassium hydroxide at 95 - 145℃; for 2h; Temperature; Concentration; Reagent/catalyst; Autoclave;83.4%
octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

1,3-bis<3-chloropropyl>-1,1,3,3-tetramethyldisiloxane
18132-72-4

1,3-bis<3-chloropropyl>-1,1,3,3-tetramethyldisiloxane

α,ω-bis-(chloropropyl)-pentadimethylsiloxane

α,ω-bis-(chloropropyl)-pentadimethylsiloxane

Conditions
ConditionsYield
Purolite CT-175 at 100℃; for 17h;83%
octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

(E)-But-2-enedioic acid mono-(3-{3-[3-((E)-3-carboxy-acryloyloxy)-propyl]-1,1,3,3-tetramethyl-disiloxanyl}-propyl) ester
88351-31-9

(E)-But-2-enedioic acid mono-(3-{3-[3-((E)-3-carboxy-acryloyloxy)-propyl]-1,1,3,3-tetramethyl-disiloxanyl}-propyl) ester

C26H54O13Si6

C26H54O13Si6

Conditions
ConditionsYield
With KU-23 ion-exchange resin at 90℃; for 7h;82%
octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

bis<4-(methacryloyloxy)butyl>tetramethyldisiloxane
70877-11-1

bis<4-(methacryloyloxy)butyl>tetramethyldisiloxane

C60H158O25Si22

C60H158O25Si22

Conditions
ConditionsYield
With trifluorormethanesulfonic acid In chloroform at 25℃; for 24h;82%
octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

1,3-bis(3-(acryloxymethyl)phenylethyl)tetramethyldisiloxane

1,3-bis(3-(acryloxymethyl)phenylethyl)tetramethyldisiloxane

C68H158O25Si22

C68H158O25Si22

Conditions
ConditionsYield
With trifluorormethanesulfonic acid In chloroform at 25℃; for 24h;81.1%
1,1,3,3-tetraethoxy-1,3-dimethyldisiloxane
18001-60-0

1,1,3,3-tetraethoxy-1,3-dimethyldisiloxane

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

1,3,3,5-tetramethyl-1,1,5,5-tetraethoxytrisiloxane

1,3,3,5-tetramethyl-1,1,5,5-tetraethoxytrisiloxane

Conditions
ConditionsYield
With potassium hydroxide at 145℃;81%
dimethylmonochlorosilane
1066-35-9

dimethylmonochlorosilane

octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

1,1,3,3,5,5,7,7,9,9,11,11-dodecamethylhexasiloxane
995-82-4

1,1,3,3,5,5,7,7,9,9,11,11-dodecamethylhexasiloxane

Conditions
ConditionsYield
With water; sulfur dioxide Ambient temperature;78%
octamethylcyclotetrasiloxane
556-67-2

octamethylcyclotetrasiloxane

1,3-bis(3-azidopropyl)-1,1,3,3-tetramethyldisiloxane
1152310-87-6

1,3-bis(3-azidopropyl)-1,1,3,3-tetramethyldisiloxane

C3H14O4Si3

C3H14O4Si3

C105H310N6O49Si50

C105H310N6O49Si50

Conditions
ConditionsYield
With trifluorormethanesulfonic acid at 20 - 80℃; for 20.25h;77%
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