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2-Bromoisobutyryl Bromide

Description Sources
Product Name
2-Bromoisobutyryl Bromide
CAS No.
20769-85-1
Chemical Name
2-Bromoisobutyryl Bromide
Synonyms
BIBB;2-Bromo-2-methylpropanoyl bromide;2-BROMO-2-METHYLPROPIONYL BROMIDE;α-Bromoisobutyryl bromide;A-BROMOISOBUTYRYL BROMIDE;2-Bromoisobutyric acid bromide;2-Bromo-2-methyl;2-BROMOISOBUTYRYL BROMIDE;2-broMoisobutylyl broMide;α-Bromoisobutyryl bromide
CBNumber
CB8440211
Molecular Formula
C4H6Br2O
Formula Weight
229.9
MOL File
20769-85-1.mol
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2-Bromoisobutyryl Bromide Property

Boiling point:
162-164 °C(lit.)
Density 
1.86 g/mL at 20 °C
refractive index 
n20/D 1.507(lit.)
Flash point:
>110°C
storage temp. 
Store below +30°C.
solubility 
Miscible with acetone and carbon disulfide.
form 
Liquid
Specific Gravity
1.860 (20/4℃)
color 
Clear light yellow to yellow
Water Solubility 
reacts
Sensitive 
Moisture Sensitive
BRN 
1746128
Stability:
Stable, but may react with moisture. Incompatible with water, strong oxidizing agents, strong bases.
CAS DataBase Reference
20769-85-1(CAS DataBase Reference)
NIST Chemistry Reference
Propanoyl bromide, 2-bromo-2-methyl-(20769-85-1)
EPA Substance Registry System
Propanoyl bromide, 2-bromo-2-methyl- (20769-85-1)
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Safety

Hazard Codes 
C
Risk Statements 
22-34
Safety Statements 
26-36/37/39-45
RIDADR 
UN 3265 8/PG 2
WGK Germany 
3
TSCA 
Yes
HazardClass 
8
PackingGroup 
II
HS Code 
29159080
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P330+P331IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P363Wash contaminated clothing before reuse.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
252271
Product name
α-Bromoisobutyryl bromide
Purity
98%
Packaging
100g
Price
$62.1
Updated
2024/03/01
Sigma-Aldrich
Product number
252271
Product name
α-Bromoisobutyryl bromide
Purity
98%
Packaging
500g
Price
$207
Updated
2024/03/01
TCI Chemical
Product number
B0607
Product name
2-Bromoisobutyryl Bromide
Purity
>98.0%(GC)
Packaging
25g
Price
$28
Updated
2024/03/01
TCI Chemical
Product number
B0607
Product name
2-Bromoisobutyryl Bromide
Purity
>98.0%(GC)
Packaging
100g
Price
$47
Updated
2024/03/01
Alfa Aesar
Product number
B24249
Product name
2-Bromoisobutyryl bromide, 97%
Packaging
25g
Price
$29.65
Updated
2024/03/01
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2-Bromoisobutyryl Bromide Chemical Properties,Usage,Production

Description

2-Bromoisobutyryl Bromide is a kind of bromide being useful in the chemical industry. It is used as an intermediate for the synthesis of pharmaceuticals, agrochemicals, dyes and other organic chemicals1. It can be used as atom transfer radical polymerization (ATRP) initiator for functionalization of hydroxyl groups present on the surface of graphene oxide; to form an N-protected halodienamide which provided fourand five-membered lactams in the presence of copper (I) and a tertiary amine; in preparation of polycaprolactone macroinitiator via reaction with oligomeric caprolactone dio and mesoporous silica nanoparticles with ATRP initiator anchored on the exterior surface2,3. As a initiator precursor, it can also be used for surface modification of Ethylene-vinyl alcohol (EVOH) copolymer films to grow surface-grafted poly-(acrylamide) chains.

Sources

  1. http://www.chemicalland21.com/specialtychem/finechem/2-BROMOISOBUTYRYL%20BROMIDE.htm
  2. https://www.alfa.com/zh-cn/catalog/B24249/
  3. https://www.sigmaaldrich.com/catalog/product/aldrich/252271?lang=en&region=US
  4. https://pubs.acs.org/doi/abs/10.1021/bk-2003-0854.ch025

Chemical Properties

colourless liquid

Uses

2-Bromoisobutyryl bromide is used to prepare N-protected halodienamide, which provides four- and five-membered lactams in the presence of copper(I) and a tertiary amine. Further, it is used as atom transfer radical polymerization(ATRP) initiator for functionalization of hydroxyl groups present on the surface of graphene oxide. It is also used in preparation of polycaprolactone macroinitiators through reaction with oligomeric caprolactone diol and mesoporous silica nanoparticles with ATRP initiator anchored on the exterior surface.

Uses

α-Bromoisobutyryl bromide has been used:

  • as atom transfer radical polymerization (ATRP) initiator for functionalization of hydroxyl groups present on the surface of graphene oxide
  • to form an N-protected halodienamide which provided four- and five-membered lactams in the presence of copper (I) and a tertiary amine
  • in preparation of polycaprolactone macroinitiator via reaction with oligomeric caprolactone diol and mesoporous silica nanoparticles with ATRP initiator anchored on the exterior surface

2-Bromoisobutyryl Bromide Preparation Products And Raw materials

Raw materials

Isobutyric acid Phosphorus

Preparation Products

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2-Bromoisobutyryl Bromide Suppliers

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View Lastest Price from 2-Bromoisobutyryl Bromide manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
2-Bromoisobutyryl Bromide 20769-85-1
Price
US $60.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
5000kg/week
Release date
2024-06-04
Hebei Weibang Biotechnology Co., Ltd
Product
2-Bromoisobutyryl Bromide 20769-85-1
Price
US $10.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
10 mt
Release date
2024-12-04
Hebei Weibang Biotechnology Co., Ltd
Product
2-Bromoisobutyryl Bromide 20769-85-1
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
500000kg
Release date
2024-10-30

20769-85-1, 2-Bromoisobutyryl BromideRelated Search:

Dibutyryl adenosine cyclophosphate calcium Benzyl bromide Daminozide Sodium bromate 2-Bromopropionyl bromide Chlorobromoisocyanurate Bromotrimethylsilane Bucladesine Scopolamine butylbromide Hexamethylphosphoramide Propionyl bromide Ethidium bromide Dimethyl sulfone Allyl bromide Rocuronium bromide Bromine Methyl bromide 2-Bromo-2-methylpropionic acid

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