Arsenic trifluoride

Arsenic trifluoride
Names
	IUPAC name Arsenic(III) fluoride
	Other names Arsenic trifluoride, trifluoroarsane, TL-156
Identifiers
CAS Number	7784-35-2 ;
3D model (JSmol)	Interactive image;
ChemSpider	22975 ;
ECHA InfoCard	100.029.145
EC Number	232-060-0;
PubChem CID	24571;
RTECS number	CG5775000;
UNII	R4I21S44T9;
CompTox Dashboard (EPA)	DTXSID9064841 ;
	InChI InChI=1S/AsF3/c2-1(3)4 Key: JCMGUODNZMETBM-UHFFFAOYSA-N ; InChI=1/AsF3/c2-1(3)4 Key: JCMGUODNZMETBM-UHFFFAOYAJ;
	SMILES F[As](F)F;
Properties
Chemical formula	AsF3
Molar mass	131.9168 g/mol
Appearance	colorless oily liquid
Density	2.666 g/cm3 (0 °C)
Melting point	−8.5 °C (16.7 °F; 264.6 K)
Boiling point	60.4 °C (140.7 °F; 333.5 K)
Solubility in water	decomposes
Solubility	soluble in alcohol, ether, benzene and ammonia solution
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Toxic, corrosive
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H301, H311, H331
Precautionary statements	P261, P264, P270, P271, P280, P301+P310, P302+P352, P304+P340, P311, P312, P321, P322, P330, P361, P363, P403+P233, P405, P501
	NIOSH (US health exposure limits):
PEL (Permissible)	[1910.1018] TWA 0.010 mg/m3
REL (Recommended)	Ca C 0.002 mg/m3 [15-minute]
IDLH (Immediate danger)	Ca [5 mg/m3 (as As)]
Thermochemistry
Std enthalpy of; formation (ΔfH⦵298)	−821.3 kJ/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

Arsenic trifluoride is a chemical compound of arsenic and fluorine with the chemical formula AsF₃. It is a colorless liquid which reacts readily with water. Like other inorganic arsenic compounds, it is highly toxic.