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B17905 Aldrich

Benzyl bromide

reagent grade, 98%

Synonym: α-Bromotoluene

  • CAS Number 100-39-0

  • Linear Formula C6H5CH2Br

  • Molecular Weight 171.03

  •  Beilstein Registry Number 385801

  •  EC Number 202-847-3

  •  MDL number MFCD00000172

  •  PubChem Substance ID 24891612

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Properties

Related Categories Aryl, Building Blocks, C7, Chemical Reagents, Chemical Synthesis,
grade   reagent grade
vapor density   5.8 (vs air)
InChI Key   AGEZXYOZHKGVCM-UHFFFAOYSA-N
assay   98%
impurities   ≤0.5% p-bromotoluene
refractive index   n20/D 1.575(lit.)
bp   198-199 °C(lit.)
mp   −3-−1 °C(lit.)
density   1.438 g/mL at 25 °C(lit.)

Description

Packaging

2.5 kg in glass bottle

25, 100, 500 g in glass bottle

Application

Benzyl bromide has been used as an initiator in the synthesis of poly(styrene-b-methylmethacrylate) copolymers by atom transfer radical polymerization. It can undergo Menschutkin reaction with 1, 2-dimethylimidazole to form 3-benzyl-1, 2-dimethylimidazolium bromide.

General description

Benzyl bromide is an aromatic halide that is mainly used as a protecting agent for protecting hydroxy group of alcohols via O-benzylation reaction.

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
RIDADR 
UN 1737 8(6.1) / PGII
WGK Germany 
2
RTECS 
XS7965000
Flash Point(F) 
186.8 °F
Flash Point(C) 
86 °C

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