Products

Refine

Country

Business Type

Certificate

Display

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 1,2-dibromo-3,3-dimethylbutane

Cas:640-21-1

Min.Order:1

Negotiable

Type:Other

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch

Butane,1,2-dibromo-3,3-dimethyl-

Cas:640-21-1

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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

Pharmaceutical Grade CAS 640-21-1 with competitive price

Cas:640-21-1

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

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 We can also provide MT1 peptide powd

1,2-DIBROMO-3,3-DIMETHYLBUTANE

Cas:640-21-1

Min.Order:1 Kilogram

FOB Price: $50.0 / 100.0

Type:Trading Company

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

Butane,1,2-dibromo-3,3-dimethyl- 640-21-1

Cas:640-21-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

1,2-DIBROMO-3,3-DIMETHYLBUTANE CAS:640-21-1 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality orga

1,2-DIBROMO-3,3-DIMETHYLBUTANE CAS:640-21-1

Cas:640-21-1

Min.Order:1 Gram

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

Butane,1,2-dibromo-3,3-dimethyl-

Cas:640-21-1

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

Butane,1,2-dibromo-3,3-dimethyl-

Cas:640-21-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo 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

Butane,1,2-dibromo-3,3-dimethyl-

Cas:640-21-1

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Product Name: 1,2-DIBROMO-3,3-DIMETHYLBUTANE Synonyms: 1,2-DIBROMO-3,3-DIMETHYLBUTANE;3,3-DIMETHYL-1,2-DIBROMOBUTANE CAS: 640-21-1 MF: C6H12Br2 MW: 243.97 Appearance:white powder Storage:Room temperature Package:bag Application:Organic Chem

640-21-1---C6H12Br2

Cas:640-21-1

Min.Order:1 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?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

1,2-DIBROMO-3,3-DIMETHYLBUTANE

Cas:640-21-1

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong 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

1,2-DIBROMO-3,3-DIMETHYLBUTANE

Cas:640-21-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.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

1,2-DIBROMO-3,3-DIMETHYLBUTANE

Cas:640-21-1

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Bluecrystal chem-union

We 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

1,2-DIBROMO-3,3-DIMETHYLBUTANE

Cas:640-21-1

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates

Butane,1,2-dibromo-3,3-dimethyl-

Cas:640-21-1

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals

1,2-DIBROMO-3,3-DIMETHYLBUTANE

Cas:640-21-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Wuxi TAA Chemical Industry Co.,LTD.

1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re

Butane,1,2-dibromo-3,3-dimethyl-

Cas:640-21-1

Min.Order:0

Negotiable

Type:Other

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

1,2-DIBROMO-3,3-DIMETHYLBUTANE

Cas:640-21-1

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Antimex Chemical Limied

Ansciep 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

Butane,1,2-dibromo-3,3-dimethyl-

Cas:640-21-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Langyou International Trading Co., Ltd

1,2-DIBROMO-3,3-DIMETHYLBUTANE Application:1,2-DIBROMO-3,3-DIMETHYLBUTANE

1,2-DIBROMO-3,3-DIMETHYLBUTANE

Cas:640-21-1

Min.Order:0

Negotiable

Type:Other

inquiry

DB BIOTECH CO., LTD

best seller Application:API

1,2-DIBROMO-3,3-DIMETHYLBUTANE

Cas:640-21-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

Butane,1,2-dibromo-3,3-dimethyl- cas 640-21-1Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

Butane,1,2-dibromo-3,3-dimethyl- cas 640-21-1

Cas:640-21-1

Min.Order:0

Negotiable

Type:Other

inquiry

Wuhan ZeShanCheng Biomedical 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 highl

Butane,1,2-dibromo-3,3-dimethyl-

Cas:640-21-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

1,2-DIBROMO-3,3-DIMETHYLBUTANE

Cas:640-21-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hunan Longxianng Runhui Trading Co.,Ltd

1,2-DIBROMO-3,3-DIMETHYLBUTANEAppearance:ask Storage:keep in dry and cool condition Package:foil aluminium bag/vacuum packing Application:intermediates Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(airport

1,2-DIBROMO-3,3-DIMETHYLBUTANE

Cas:640-21-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

640-21-1

Cas:640-21-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hebei Muhuang Technology Co., Ltd

best seller Application:API

1,2-DIBROMO-3,3-DIMETHYLBUTANE

Cas:640-21-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

1,2-DIBROMO-3,3-DIMETHYLBUTANE

Cas:640-21-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hubei Jusheng Technology Co., Ltd.,

1,Best Quality: Our products have exported to Germany, Spain, UK, USA, Australia, Middle East, and so on other countries, and we have got very good feedback from our customers.so

1,2-DIBROMO-3,3-DIMETHYLBUTANE

Cas:640-21-1

Min.Order:10 Gram

FOB Price: $1.0 / 1001.0

Type:Trading Company

inquiry

changchun tuocai technology co.,ltld

1,2-DIBROMO-3,3-DIMETHYLBUTANEAppearance:ask Storage:keep in dry and cool condition Package:foil aluminium bag/vacuum packing Application:intermediates Transportation:by air or by sea

1,2-DIBROMO-3,3-DIMETHYLBUTANE

Cas:640-21-1

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

tert-butylethylene
558-37-2

tert-butylethylene

1,2-dibromo-3,3-dimethylbutane
640-21-1

1,2-dibromo-3,3-dimethylbutane

Conditions
ConditionsYield
With bromine for 0.133333h; Phase-vanishing reaction with phase screen; Neat (no solvent); Darkness;94%
With carbon tetrabromide; bromine In tetrachloromethane; ethanol 1.) -20 deg C, 2.5 h; 2.) up to r. t., overnight;89%
With bromine In hexane at 20℃;88%
tert-butylethylene
558-37-2

tert-butylethylene

N-bromo-1,8-naphthalenedicarboximide
105089-47-2

N-bromo-1,8-naphthalenedicarboximide

A

1,2-dibromo-3,3-dimethylbutane
640-21-1

1,2-dibromo-3,3-dimethylbutane

B

N-(2-bromo-3,3-dimethylbutyl)-1,8-naphthalenedicarboximide
105089-49-4

N-(2-bromo-3,3-dimethylbutyl)-1,8-naphthalenedicarboximide

Conditions
ConditionsYield
In dichloromethane at 17℃; Irradiation;A 4.1%
B 68%
methanol
67-56-1

methanol

tert-butylethylene
558-37-2

tert-butylethylene

A

1,2-dibromo-3,3-dimethylbutane
640-21-1

1,2-dibromo-3,3-dimethylbutane

B

2-bromo-1-methoxy-3,3-dimethyl-butane
26356-14-9

2-bromo-1-methoxy-3,3-dimethyl-butane

Conditions
ConditionsYield
With bromine unter Lichtausschluss;
tert-butylethylene
558-37-2

tert-butylethylene

A

1,4-dibromo-2,3-bis-bromomethyl-but-2-ene
30432-16-7

1,4-dibromo-2,3-bis-bromomethyl-but-2-ene

B

3,3-dimethylbutyl bromide
1647-23-0

3,3-dimethylbutyl bromide

C

1,2-dibromo-3,3-dimethylbutane
640-21-1

1,2-dibromo-3,3-dimethylbutane

Conditions
ConditionsYield
With bromine
With bromine for 2h;
With bromine In chloroform at -78℃; for 5h;
N-Bromosuccinimide
128-08-5

N-Bromosuccinimide

tert-butylethylene
558-37-2

tert-butylethylene

A

Succinimide
123-56-8

Succinimide

B

N-(2-bromo-3,3.-dimethyl-1-butyl)succinimide
72323-45-6

N-(2-bromo-3,3.-dimethyl-1-butyl)succinimide

C

1,2-dibromo-3,3-dimethylbutane
640-21-1

1,2-dibromo-3,3-dimethylbutane

Conditions
ConditionsYield
In dichloromethane; benzene at 14 - 15℃; Irradiation;A 0.58 mmol
B 0.12 mmol
C 0.33 mmol
2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

A

3,3-dimethylbutyl bromide
1647-23-0

3,3-dimethylbutyl bromide

B

1,2-dibromo-3,3-dimethylbutane
640-21-1

1,2-dibromo-3,3-dimethylbutane

Conditions
ConditionsYield
With organoaluminiumhydride; water; bromine 2) -40 to 20 deg C; Yield given. Multistep reaction. Yields of byproduct given;
tert-butylethylene
558-37-2

tert-butylethylene

ethanol
64-17-5

ethanol

A

1,2-dibromo-3,3-dimethylbutane
640-21-1

1,2-dibromo-3,3-dimethylbutane

B

2-bromo-1-ethoxy-3,3-dimethylbutane
73694-80-1

2-bromo-1-ethoxy-3,3-dimethylbutane

Conditions
ConditionsYield
With 2,6-di-tert-butyl-4-methyl-phenol; N,N'-dibromo-2,5-piperazinedione (NBP) In dichloromethane for 0.5h; Ambient temperature; Irradiation;A 20 % Chromat.
B 11 % Chromat.
tert-butylethylene
558-37-2

tert-butylethylene

C16H36N(1+)*C4H4BrNO2*Br(1-)
103191-58-8

C16H36N(1+)*C4H4BrNO2*Br(1-)

1,2-dibromo-3,3-dimethylbutane
640-21-1

1,2-dibromo-3,3-dimethylbutane

Conditions
ConditionsYield
With C16H36N(1+)*C4H4BrNO2*Br(1-) In acetonitrile for 3h; Mechanism; Heating; var. bromino reagent;
tert-butylethylene
558-37-2

tert-butylethylene

A

1,2-dichloro-3,3-dimethyl-butane
26120-63-8

1,2-dichloro-3,3-dimethyl-butane

B

1,2-dibromo-3,3-dimethylbutane
640-21-1

1,2-dibromo-3,3-dimethylbutane

C

2-bromo-1-chloro-3,3-dimethylbutane

2-bromo-1-chloro-3,3-dimethylbutane

D

1-bromo-2-chloro-3,3-dimethylbutane

1-bromo-2-chloro-3,3-dimethylbutane

Conditions
ConditionsYield
With bromine chloride In dichloromethane at 0℃; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
1,2-dibromo-3,3-dimethylbutane
640-21-1

1,2-dibromo-3,3-dimethylbutane

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

Conditions
ConditionsYield
With 18-crown-6 ether; potassium tert-butylate In Petroleum ether at 60℃; for 2h;91%
With potassium hydroxide; tetraoctyl ammonium bromide In Petroleum ether at 90℃; for 6h;86%
With potassium tert-butylate; 18-crown-6 ether In Petroleum ether84%
With potassium hydroxide; 2,5-dimethyl-2,5-hexanediol at 100℃; for 0.75h;80%
With potassium tert-butylate Heating;
1,2-dibromo-3,3-dimethylbutane
640-21-1

1,2-dibromo-3,3-dimethylbutane

A

2,2-dimethyl-3-butyne
917-92-0

2,2-dimethyl-3-butyne

B

2-Bromo-3,3-dimethyl-1-butene
33693-77-5

2-Bromo-3,3-dimethyl-1-butene

C

1-bromo-3,3-dimethylbut-1-ene
13352-80-2

1-bromo-3,3-dimethylbut-1-ene

Conditions
ConditionsYield
With potassium hydroxide; Aliquat 336 In xylene Heating;A 91%
B n/a
C n/a
1,2-dibromo-3,3-dimethylbutane
640-21-1

1,2-dibromo-3,3-dimethylbutane

carbon monoxide
201230-82-2

carbon monoxide

benzene
71-43-2

benzene

2,2,3,3-Tetramethyl-1-indanon
10474-33-6

2,2,3,3-Tetramethyl-1-indanon

Conditions
ConditionsYield
With aluminium trichloride at 19 - 21℃; for 2.5h;
1,2-dibromo-3,3-dimethylbutane
640-21-1

1,2-dibromo-3,3-dimethylbutane

3,5-dimethoxybenzoic acid
1132-21-4

3,5-dimethoxybenzoic acid

A

3-t-butyl-9-hydroxy-2-oxaspiro<4.5>dec-8-ene-1,7-dione

3-t-butyl-9-hydroxy-2-oxaspiro<4.5>dec-8-ene-1,7-dione

B

1-(2-bromo-3,3-dimethylbutyl)-3-hydroxy-5-oxocyclohex-3-ene-1-carboxylic acid

1-(2-bromo-3,3-dimethylbutyl)-3-hydroxy-5-oxocyclohex-3-ene-1-carboxylic acid

Conditions
ConditionsYield
With hydrogenchloride; ammonia; lithium Yield given. Multistep reaction. Yields of byproduct given;
1,2-dibromo-3,3-dimethylbutane
640-21-1

1,2-dibromo-3,3-dimethylbutane

potassium acetate
127-08-2

potassium acetate

monobromopseudobutylethylene

monobromopseudobutylethylene

Conditions
ConditionsYield
at 200℃;
1,2-dibromo-3,3-dimethylbutane
640-21-1

1,2-dibromo-3,3-dimethylbutane

Bromoform
75-25-2

Bromoform

1,1,2-tribromo-2-(tert-butyl)cyclopropane
87619-26-9

1,1,2-tribromo-2-(tert-butyl)cyclopropane

Conditions
ConditionsYield
Stage #1: 1,2-dibromo-3,3-dimethylbutane With sodium methylate In dichloromethane for 24h; Heating;
Stage #2: Bromoform With sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride at 20℃;
6.97 g
1,2-dibromo-3,3-dimethylbutane
640-21-1

1,2-dibromo-3,3-dimethylbutane

A

2-Bromo-3,3-dimethyl-1-butene
33693-77-5

2-Bromo-3,3-dimethyl-1-butene

B

(E)-1-bromo-3,3-dimethyl-1-butene
38203-90-6

(E)-1-bromo-3,3-dimethyl-1-butene

Conditions
ConditionsYield
With sodium methylate In dichloromethane for 24h; Heating; Title compound not separated from byproducts;

Hot Products

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View