Chromyl chloride

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.

Chromyl chloride
Names
Preferred IUPAC name
Chromium(VI) dichloride dioxide
Systematic IUPAC name
Dichloridodioxidochromium
Other names
Chromic acid chloride

Chromium oxychloride

Etard Reagent
Chlorochromic anhydride
Chromic oxychloride
Chromium chloride oxide
Chromium dioxide dichloride
Chromium dioxychloride
Chromium oxychloride
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.035.491
EC Number
  • 239-056-8
2231
PubChem CID
RTECS number
  • GB5775000
UNII
UN number 1758
  • InChI=1S/2ClH.Cr.2O/h2*1H;;;/q;;+2;;/p-2 Y
    Key: AHXGRMIPHCAXFP-UHFFFAOYSA-L Y
  • InChI=1S/2ClH.Cr.2O/h2*1H;;;/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
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)
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:
Danger
H271, H314, H317, H340, H350, H410
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
 SO2Cl2; VOCl3; MoO2Cl2; WO2Cl2; CrO2F2
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is YN ?)
Infobox references
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.