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D41686

Sigma-Aldrich

Dibromomethane

99%

Synonym(s):
Methylene bromide
Empirical Formula (Hill Notation):
CH2Br2
CAS Number:
Molecular Weight:
173.83
Beilstein:
969143
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

vapor density

6.05 (vs air)

vapor pressure

34.9 mmHg ( 20 °C)

assay

99%

form

liquid

refractive index

n20/D 1.541 (lit.)

bp

96-98 °C (lit.)

mp

−52 °C (lit.)

density

2.477 g/mL at 25 °C (lit.)

SMILES string

BrCBr

InChI

1S/CH2Br2/c2-1-3/h1H2

InChI key

FJBFPHVGVWTDIP-UHFFFAOYSA-N

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Application

Dibromomethane may be used for the cyclopropanation of alkenes via Simmons-Smith type reaction. It may also be used in a novel methodology for the preparation of reaction intermediates such as α-substituted acroleins, α-methylene esters, α-keto esters, α-methylene lactones, α-methylene lactams, and α-keto lactones.

Packaging

500 mL in glass bottle
2 L in glass bottle

Hazard Statements

Precautionary Statements

Hazard Classifications

Aquatic Chronic 3

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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