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D41686 Sigma-Aldrich

Dibromomethane

99%

Synonym: Methylene bromide

  • CAS Number 74-95-3

  • Empirical Formula (Hill Notation) CH2Br2

  • Molecular Weight 173.83

  •  Beilstein/REAXYS Number 969143

  •  EC Number 200-824-2

  •  MDL number MFCD00000168

  •  PubChem Substance ID 24893828

  •  NACRES NA.22

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Properties

Related Categories Alkyl, Building Blocks, Chemical Synthesis, Halogenated Hydrocarbons, Organic Building Blocks More...
Quality Level   200
vapor density   6.05 (vs air)
vapor pressure   34.9 mmHg ( 20 °C)
assay   99%
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

Description

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

2 L in glass bottle

500 mL in glass bottle

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
RIDADR 
UN 2664 6.1 / PGIII
WGK Germany 
WGK 2
RTECS 
PA7350000

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Meet Synthia - Retrosynthesis Sofware
Protocols & Articles
Peer-Reviewed Papers
15

References

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912522 Adamantanyl 2,2-diiodoacetate, ≥95%

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