1,2-Difluoroethylene

1,2-Difluoroethylene
cis-1,2-Difluoroethene (Z)	trans-1,2-Difluoroethene (E)
cis-1,2-Difluoroethene (Z)	trans-1,2-Difluoroethene (E)
cis-1,2-Difluoroethene (Z)	trans-1,2-Difluoroethene (E)
Names
	Preferred IUPAC name 1,2-Difluoroethene
	Other names 1,2-Difluoroethylene; sym-Difluoroethylene; Ethene, 1,2-difluoro-,(Z)-; cis-Difluoroethene
Identifiers
CAS Number	1630-77-9 (Z) ;
3D model (JSmol)	(cis): Interactive image; (trans): Interactive image;
ChemSpider	21106435;
PubChem CID	5462921;
	InChI InChI=1S/C2H2F2/c3-1-2-4/h1-2H/b2-1- Key: WFLOTYSKFUPZQB-UPHRSURJSA-N;
	SMILES (cis): C(=C/F)/F; (trans): C(=C/F)\F;
Properties
Chemical formula	C2H2F2
Molar mass	64.035 g·mol−1
Boiling point	-36.0±8.0 °C
Magnetic susceptibility (χ)	-60.0·10−6 cm3/mol
	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

1,2-Difluoroethylene, also known as 1,2-difluoroethene, is an organofluoride with the molecular formula C₂H₂F₂. It can exist as either of two geometric isomers, cis-1,2-difluoroethylene or trans-1,2-difluoroethylene.

It is regarded as a hazardous chemical for being toxic by inhalation, and a volatile chemical, and it causes irritation when it comes into contact with the skin and mucous membranes.

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