Dibromomethane

Dibromomethane
Names
	Preferred IUPAC name Dibromomethane
	Other names Methyl dibromide; Methylene bromide; Methylene dibromide; Refrigerant-30B2;
Identifiers
CAS Number	74-95-3 ;
3D model (JSmol)	Interactive image;
Abbreviations	DBM; MDB; UN 2664;
Beilstein Reference	969143
ChEBI	CHEBI:47077 ;
ChemSpider	2916 ;
ECHA InfoCard	100.000.750
EC Number	200-824-2;
Gmelin Reference	25649
MeSH	methylene+bromide
PubChem CID	3024;
RTECS number	PA7350000;
UNII	V69B659W01 ;
UN number	2664
CompTox Dashboard (EPA)	DTXSID4021557 ;
	InChI InChI=1S/CH2Br2/c2-1-3/h1H2 Key: FJBFPHVGVWTDIP-UHFFFAOYSA-N ;
	SMILES BrCBr;
Properties
Chemical formula	CH2Br2
Molar mass	173.835 g·mol−1
Appearance	Colorless 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
Solubility in water	12.5 g⋅L−1 (at 20 °C)
Vapor pressure	4.65 kPa (at 20.0 °C)
Henry's law; constant (kH)	9.3 μmol⋅Pa−1⋅kg−1
Magnetic susceptibility (χ)	−65.10·10−6⋅cm3/mol
Refractive index (nD)	1.541
Thermochemistry
Heat capacity (C)	104.1 J⋅K−1⋅mol−1
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H332, H412
Precautionary statements	P273
NFPA 704 (fire diamond)	2 0 0
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	1 g⋅kg−1 (oral, rabbit); 3.738 g⋅kg−1 (subcutaneous, mouse); >4 g⋅kg−1 (dermal, rabbit);
Related compounds
Related alkanes	Bromoform; Tetrabromomethane; 1,1-Dibromoethane; 1,2-Dibromoethane;
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

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.

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