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α-Bromoisobutyryl bromide_Molecular_structure_CAS_20769-85-1)
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α-Bromoisobutyryl bromide

Catalog No. 252271 Name Sigma Aldrich
CAS Number 20769-85-1 Website http://www.sigmaaldrich.com
M. F. C4H6Br2O Telephone 1-800-521-8956
M. W. 229.89784 Fax
Purity 98% Email
Storage Chembase ID: 146413

SYNONYMS

Title
α-溴异丁酰溴
IUPAC name
2-bromo-2-methylpropanoyl bromide
IUPAC Traditional name
2-bromo-2-methylpropanoyl bromide
Synonyms
2-Bromo-2-methylpropionyl bromide
2-溴-2-甲基丙酰溴
BIBB

DATABASE IDS

CAS Number 20769-85-1
Beilstein Number 1746128
PubChem SID 24855196
MDL Number MFCD00000122
EC Number 244-017-3

PROPERTIES

Linear Formula (CH3)2CBrCOBr
Purity 98%
Boiling Point 162-164 °C(lit.)
Density 1.86 g/mL at 25 °C(lit.)
Flash Point 113 °C
Flash Point 235.4 °F
Refractive Index n20/D 1.507(lit.)
GHS Pictograms GHS05
GHS Pictograms GHS07
GHS Signal Word Danger
GHS Hazard statements H302-H314
European Hazard Symbols Corrosive Corrosive (C)
MSDS Link Download
Personal Protective Equipment Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
GHS Precautionary statements P280-P305 + P351 + P338-P310
RID/ADR UN 3265 8/PG 2
Risk Statements 22-34
Safety Statements 26-36/37/39-45
Hazard Class 8
UN Number 3265
Packing Group 2
German water hazard class 3

DETAILS

Description (English)
Application
Used to form an N-protected halodienamide which provided four- and five-membered lactams in the presence of copper(I) and a tertiary amine.1Atom Transfer Radical Polymerization (ATRP) initiator commonly used to functionalize alcohols or oxidized surfaces.
Packaging
100, 500 g in glass bottle
Description (简体中文)
Application
Used to form an N-protected halodienamide which provided four- and five-membered lactams in the presence of copper(I) and a tertiary amine.1Atom Transfer Radical Polymerization (ATRP) initiator commonly used to functionalize alcohols or oxidized surfaces.
包装
100, 500 g in glass bottle

REFERENCES