Difluoromethane

Difluoromethane
Names
	Preferred IUPAC name Difluoromethane
	Other names R-32; Methylene difluoride; Methylene fluoride; Freon-32
Identifiers
CAS Number	75-10-5 ;
3D model (JSmol)	Interactive image;
Abbreviations	HFC-32; R-32; FC-32
Beilstein Reference	1730795
ChEBI	CHEBI:47855 ;
ChEMBL	ChEMBL115186 ;
ChemSpider	6105 ;
ECHA InfoCard	100.000.764
EC Number	200-839-4;
Gmelin Reference	259463
MeSH	Difluoromethane
PubChem CID	6345;
RTECS number	PA8537500;
UNII	77JW9K722X ;
UN number	3252
CompTox Dashboard (EPA)	DTXSID6029597 ;
	InChI InChI=1S/CH2F2/c2-1-3/h1H2 Key: RWRIWBAIICGTTQ-UHFFFAOYSA-N ; InChI=1/CH2F2/c2-1-3/h1H2 Key: RWRIWBAIICGTTQ-UHFFFAOYAC;
	SMILES FCF;
Properties
Chemical formula	CH2F2
Molar mass	52.024 g·mol−1
Appearance	Colourless gas
Density	1.1 g cm−3(in liquid form)
Melting point	−136 °C (−213 °F; 137 K)
Boiling point	−52 °C (−62 °F; 221 K)
Critical point (T, P)	351 K (78 °C),; 5.83 MPa (57.5 atm)
log P	−0.611
Vapor pressure	1,518.92 kPa (220.301 psi) (at 21.1 °C [70.0 °F; 294.2 K])
Hazards
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H220
Precautionary statements	P210, P377, P381, P403, P410+P403
NFPA 704 (fire diamond)	1 4 0
Autoignition; temperature	648 °C (1,198 °F; 921 K)
Safety data sheet (SDS)	MSDS at Oxford University
	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

Difluoromethane, also called HFC-32 or R-32, is an organofluorine compound with the formula CH₂F₂. It is a colorless gas that is used as a refrigerant. As a hydrofluorocarbon, R-32 is being phased out in the EU.