DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
Cas:7418-20-4
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryOur 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
Cas:7418-20-4
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryWITH 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
Cas:7418-20-4
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryOur 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
Cas:7418-20-4
Min.Order:10 Kilogram
FOB Price: $30.0 / 50.0
Type:Trading Company
inquiry1.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
Cas:7418-20-4
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry2,2,5,5-TETRAMETHYL-2,5-DISILA-1-OXACYCLOPENTANE CAS:7418-20-4 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing
Cas:7418-20-4
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, 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
Cas:7418-20-4
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHenan 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:7418-20-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryJ&H CHEM 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. J&H CHEM has some Manufacturing base in Jia
Cas:7418-20-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryZibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
Cas:7418-20-4
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:7418-20-4
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
inquiryTianfu Chemical, built in 2009, is a professional supplier for API materials in China. With 10 years development, we have bulit our own factory and lab to produce a certain of products. And we have established stable business relationships with ma
Cas:7418-20-4
Min.Order:1 Kilogram
FOB Price: $200.0
Type:Lab/Research institutions
inquiry2,2,5,5-TETRAMETHYL-2,5-DISILA-1-OXACYCLOPENTANE Basic information Product Name: 2,2,5,5-TETRAMETHYL-2,5-DISILA-1-OXACYCLOPENTANE Synonyms: 1,1,4,4, TETRAMETHYL-1,4-DISILA-5-OXACYCLOPENTANE;2,2,5,5-TETRAMETHYL-2,5-DISILA-1-OXACYCLOPENTANE;TETR
Cas:7418-20-4
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:7418-20-4
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryShandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W
Cas:7418-20-4
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
Cas:7418-20-4
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryNames: 2, 2, 5, 5-TETRAMETHYL-2, 5-DISILA-1-OXACYCLOPENTANE. Synonyms:1,1,4,4,TETRAMETHYL-1,4-DISILA-5-OXACYCLOPENTANE;2,2,5,5-TETRAMETHYL-2,5-DISILA-1-OXACYCLOPENTANE;TETRAMETHYLDISILAFURAN;2,2,5,5-tetramethyl-1-oxa-5-disilacyclopentane;Tetramet
Cas:7418-20-4
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryTriumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Business Custom Synthesis:
Cas:7418-20-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryWe are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
Cas:7418-20-4
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
inquiry1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification
Cas:7418-20-4
Min.Order:0
Negotiable
Type:Trading Company
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:7418-20-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
Cas:7418-20-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
Cas:7418-20-4
Min.Order:0
Negotiable
Type:Other
inquiryhigh purity, manufacturer Application:Intermediate
Cas:7418-20-4
Min.Order:0
Negotiable
Type:Trading Company
inquiryHunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as: Frac
Cas:7418-20-4
Min.Order:0
Negotiable
Type:Manufacturers
inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
Cas:7418-20-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1.High purity, like 99%, 99.9%, 99.95%, 99.99%, 99.999%2.Quality control, test sample before shipping and keep sample for 3 years after shipping;3. Prompt shipment with professional documents;4. Packing as your request, with photo before shipment;5.
Cas:7418-20-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry2,2,5,5-TETRAMETHYL-2,5-DISILA-1-OXACYCLOPENTANE, 98% Application:2,2,5,5-TETRAMETHYL-2,5-DISILA-1-OXACYCLOPENTANE, 98%
Cas:7418-20-4
Min.Order:0
Negotiable
Type:Other
inquiry1-Oxa-2,5-disilacyclopentane,2,2,5,5-tetramethyl- cas 7418-20-4Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:7418-20-4
Min.Order:0
Negotiable
Type:Other
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:7418-20-4
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry1,1,2,2-tetramethyl-1,2-disilacyclobutane
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
Conditions | Yield |
---|---|
With oxygen | 67% |
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
Conditions | Yield |
---|---|
With triphenylphosphine In Petroleum ether at 20℃; | 57% |
With triphenylphosphine In Petroleum ether at 20℃; | 57% |
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
Conditions | Yield |
---|---|
With potassium hydroxide at 250℃; | 57% |
1,2-bis-(chlorodimethylsilyl)ethane
A
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
Conditions | Yield |
---|---|
With dihydrogen peroxide |
1,2-bis-(chlorodimethylsilyl)ethane
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: K/Na vapor / 280 - 300 °C / 0.1 - 1 Torr 2: 67 percent / O2 View Scheme | |
Multi-step reaction with 2 steps 1: H2O2 2: 57 percent / triphenylphosphine / petroleum ether / 20 °C View Scheme |
tetramethyl-1,6,2,5-diazadisila-[6]ferrocenophane
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
Conditions | Yield |
---|---|
Fe-compound decompose by the effect of moisture; |
1-amino-1'-(2,2,5,5-tetramethyl-1-aza-2,5-disilacyclopent-1-yl)ferrocene
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
Conditions | Yield |
---|---|
Fe-compound decompose by the effect of moisture; |
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
Conditions | Yield |
---|---|
With carbon dioxide In pentane at 25℃; under 3863.02 Torr; for 1h; Inert atmosphere; |
Conditions | Yield |
---|---|
(μ3,η2:η3:η5-acenaphthalene)Ru3(CO)7 In 1,4-dioxane at 20℃; for 0.5h; | 100% |
Conditions | Yield |
---|---|
(μ3,η2:η3:η5-acenaphthalene)Ru3(CO)7 In benzene-d6 at 40℃; for 12h; Product distribution; Further Variations:; Reaction partners; Pressures; Solvents; Catalysts; monomer, monomer/silane ratios, temperatures, reaction times; | 100% |
1,2-bis(dimethylsilyl)ethane
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
Conditions | Yield |
---|---|
(μ3,η2:η3:η5-acenaphthalene)Ru3(CO)7 In 1,4-dioxane at 20℃; for 0.5h; | 100% |
Dimethylphenylsilane
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
acetone
Conditions | Yield |
---|---|
(μ3,η2:η3:η5-acenaphthalene)Ru3(CO)7 In benzene-d6 at 40℃; for 18.5h; | 100% |
dimethylethylsilane
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
acetone
Conditions | Yield |
---|---|
(μ3,η2:η3:η5-acenaphthalene)Ru3(CO)7 In 1,4-dioxane at 20℃; for 1h; | 90% |
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
dibenzo-1,3-disila-2-thiacycloheptadiene
A
1,1,3,3,5,5-hexamethyl-2-oxa-1,3,5-trisila-4-thiacycloheptane
B
silafluorene
Conditions | Yield |
---|---|
In benzene for 5h; Irradiation; | A 36% B 44% |
3,3-dimethyl-3-germa-6-oxabicyclo[3.1.0]hexane
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
2,2,4,4,7,7-hexamethyl-1,3-dioxa-2-germa-4,7-disilacycloheptane
Conditions | Yield |
---|---|
In gas byproducts: butadiene; flash vac. co-pyrolysis in the gas phase at 580°C and 1E-4 mm pressure; (1)H/(13)C-NMR and mass spectroscopy; | 40% |
2-phenylheptamethyltrisilane
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
2,4,4,7,7-pentamethyl-2-trimethylsilanyl-[1,3,2,4,7]dioxatrisilepane
Conditions | Yield |
---|---|
With dimethyl sulfoxide |
1,1,1,2,3,4,4,4-octamethyl-2,2-diphenyl-tetrasilane
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
2,4,4,7,7-pentamethyl-2-phenyl-[1,3,2,4,7]dioxatrisilepane
Conditions | Yield |
---|---|
With dimethyl sulfoxide |
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
(2-methylbut-3-enyl-2-oxy)dimethylsilane
2,2,4,4,7,7-hexamethyl-1,3-dioxa-2,4,7-trisilacycloheptane
(benzylimino)triphenylphosphorane
3,3-dimethyl-6-oxa-3-silabicyclo<3.1.0>hexane
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
A
Hexamethylcyclotrisiloxane
B
2,2,4,4,7,7-hexamethyl-1,3-dioxa-2,4,7-trisilacycloheptane
C
2,2,4,4-tetramethyl-6-vinyl-1,3-dioxa-2,4-disilacyclohexane
D
buta-1,3-diene
Conditions | Yield |
---|---|
at 130℃; for 1h; Further byproducts given; |
tetramethylcyclodisilthiane
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
1,1,3,3,5,5-hexamethyl-2-oxa-1,3,5-trisila-4-thiacycloheptane
Conditions | Yield |
---|---|
at 560℃; | 7.2 % Chromat. |
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
1-methyl-1-(trimethylsilyl)sila-α-pyran
A
1,2-bis(trifluoromethyl)benzene
B
2,4,4,7,7-pentamethyl-2-trimethylsilanyl-[1,3,2,4,7]dioxatrisilepane
Conditions | Yield |
---|---|
With triethylsilane at 60 - 70℃; for 10h; Yield given; |
ethylene glycol
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
polymer, Mn = 3800 (GPC), PDI = 1.13 (GPC), ring-opening polymerization; monomer(s): 2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane; ethylene glycol
Conditions | Yield |
---|---|
1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine In benzene-d6 for 2h; |
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
Conditions | Yield |
---|---|
1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine In dichloromethane for 2h; |
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
Conditions | Yield |
---|---|
1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine In toluene for 2h; |
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
Conditions | Yield |
---|---|
1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine In toluene for 2h; |
Triethylsilanol
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
polymer, Mn = 12300 (GPC), PDI = 1.04 (GPC), ring-opening polymerization; monomer(s); 2,2,5,5-tetramethyl-2,5-disila-1-oxacylclopentane; triethylsilanol
Conditions | Yield |
---|---|
1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine In benzene-d6 for 6h; |
4-pyrenylbutanol
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
Conditions | Yield |
---|---|
1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine In benzene-d6 for 0.5h; |
4-pyrenylbutanol
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
polymer, Mn = 7300 (GPC), PDI = 1.04 (GPC), ring-opening polymerization; monomer(s): 2,2,5,5-tetramethyl-2,5-disila-1-oxocyclopentane; 4-pyrenebutan-1-ol
Conditions | Yield |
---|---|
1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine In benzene-d6 for 3h; |
4-pyrenylbutanol
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
polymer, Mn = 13100 (GPC), PDI = 1.04 (GPC), ring-opening polymerization; monomer(s): 2,2,5,5-tetramethyl-2,5-disila-1-oxocyclopentane; 4-pyrenebutan-1-ol
Conditions | Yield |
---|---|
1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine In benzene-d6 for 6h; |
4-pyrenylbutanol
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
polymer, Mn = 18300 (GPC), PDI = 1.03 (GPC), ring-opening polymerization; monomer(s): 2,2,5,5-tetramethyl-2,5-disila-1-oxocyclopentane; 4-pyrenebutan-1-ol
Conditions | Yield |
---|---|
1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine In benzene-d6 for 18h; |
4-pyrenylbutanol
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
polymer, Mn = 23400 (GPC), PDI = 1.05 (GPC), ring-opening polymerization; monomer(s): 2,2,5,5-tetramethyl-2,5-disila-1-oxocyclopentane; 4-pyrenebutan-1-ol
Conditions | Yield |
---|---|
1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine In benzene-d6 for 26h; |
4-pyrenylbutanol
2,2,5,5-tetramethyl-2,5-disila-1-oxacyclopentane
polymer, Mn = 12800 (GPC), PDI = 1.14 (GPC), ring-opening polymerization; monomer(s); 2,2,5,5-tetramethyl-2,5-disila-1-oxocyclopentane; 4-pyrenebutan-1-ol
Conditions | Yield |
---|---|
[1,3-bis(2,4,6-trimethylphenyl)imidazol]-2-ylidene In benzene-d6 for 0.5h; |
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