Chromyl chloride

Chromyl chloride
Names
	Preferred IUPAC name Chromium(VI) dichloride dioxide
	Systematic IUPAC name Dichloridodioxidochromium
	Other names Chromic acid chloride; Chromium oxychloride; Étard reagent; Chlorochromic anhydride; Chromic oxychloride; Chromium chloride oxide; Chromium dioxide dichloride; Chromium dioxychloride; Chromium oxychloride
Identifiers
CAS Number	14977-61-8 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:33038 ;
ChemSpider	21106426 ;
ECHA InfoCard	100.035.491
EC Number	239-056-8;
Gmelin Reference	2231
PubChem CID	22150757;
RTECS number	GB5775000;
UNII	JQU316FZ5W ;
UN number	1758
CompTox Dashboard (EPA)	DTXSID30894858 ;
	InChI InChI=1S/2ClH.Cr.2O/h21H;;;/q;;+2;;/p-2 Key: AHXGRMIPHCAXFP-UHFFFAOYSA-L ; InChI=1S/2ClH.Cr.2O/h21H;;;/q;;+2;;/p-2 Key: AHXGRMIPHCAXFP-UHFFFAOYSA-L; InChI=1/2ClH.Cr.2O/h2*1H;;;/q;;+2;;/p-2/rCl2CrO2/c1-3(2,4)5 Key: AHXGRMIPHCAXFP-GRYJOLFGAD;
	SMILES Cl[Cr](Cl)(=O)=O;
Properties
Chemical formula	CrO2Cl2
Molar mass	154.9008 g/mol
Appearance	Blood-red fuming liquid, similar to bromine
Odor	Musty, burning, acrid
Density	1.911 g/mL, liquid
Melting point	−96.5 °C (−141.7 °F; 176.7 K)
Boiling point	118.5 °C (245.3 °F; 391.6 K)
Solubility in water	Reacts with water
Vapor pressure	20 mmHg (20 °C)
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Toxic, oxidizer, carcinogenic, mutagenic, reacts violently with water
	GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H271, H314, H317, H340, H350, H410
Precautionary statements	P201, P210, P280, P303+P361+P353, P305+P351+P338+P310, P308+P313
NFPA 704 (fire diamond)	3 0 2 W; OX
Flash point	noncombustible
	NIOSH (US health exposure limits):
PEL (Permissible)	none
REL (Recommended)	Ca TWA 0.001 mg Cr(VI)/m3
IDLH (Immediate danger)	N.D.
Safety data sheet (SDS)	Sigma Aldrich - Chromyl Chloride
Related compounds
Related compounds	Sulfuryl chloride; Vanadium oxytrichloride; Molybdenum dichloride dioxide; Tungsten dichloride dioxide; Chromyl fluoride; Uranyl chloride
	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

Chromyl chloride is an inorganic compound with the formula CrO₂Cl₂. It is a reddish brown compound that is a volatile liquid at room temperature, which is unusual for transition metal compounds. It is the dichloride of chromic acid.