Dibromomethane

Dibromomethane
Spacefill model for dibromomethane
Names
Preferred IUPAC name
Dibromomethane[1]
Other names
  • Methyl dibromide
  • Methylene bromide
  • Methylene dibromide
  • Refrigerant-30B2[citation needed]
Identifiers
3D model (JSmol)
Abbreviations
969143
ChEBI
ChemSpider
ECHA InfoCard 100.000.750 Edit this at Wikidata
EC Number
  • 200-824-2
25649
MeSH methylene+bromide
RTECS number
  • PA7350000
UNII
UN number 2664
  • InChI=1S/CH2Br2/c2-1-3/h1H2 checkY
    Key: FJBFPHVGVWTDIP-UHFFFAOYSA-N checkY
  • BrCBr
Properties
CH2Br2
Molar mass 173.835 g·mol−1
Appearance Colorless to yellow liquid
Density 2.477 g⋅mL−1
Melting point −52.70 °C; −62.86 °F; 220.45 K
Boiling point 96 to 98 °C; 205 to 208 °F; 369 to 371 K
12.5 g⋅L−1 (at 20 °C)
Vapor pressure 4.65 kPa (at 20.0 °C)
9.3 μmol⋅Pa−1⋅kg−1
−65.10·10−6⋅cm3/mol
1.541
Thermochemistry
104.1 J⋅K−1⋅mol−1
Hazards
GHS labelling:
GHS07: Exclamation mark
Warning
H332, H412
P273
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
2
0
0
Lethal dose or concentration (LD, LC):
  • 1 g⋅kg−1 (oral, rabbit)
  • 3.738 g⋅kg−1 (subcutaneous, mouse)
  • >4 g⋅kg−1 (dermal, rabbit)
Related compounds
Related alkanes
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Dibromomethane or methylene bromide, or methylene dibromide is a halomethane with the formula CH2Br2. It is slightly soluble in water but very soluble in organic solvents. It is a colorless liquid.

  1. ^ "methylene bromide - Compound Summary". PubChem Compound. USA: National Center for Biotechnology Information. 25 March 2005. Identification. Retrieved 18 June 2012.