Chromium(III) sulfide

Chromium(III) sulfide
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.031.477
EC Number
  • 234-638-8
  • InChI=1S/2Cr.3S/q2*+3;3*-2
    Key: DBULDCSVZCUQIR-UHFFFAOYSA-N
  • [S-2].[S-2].[S-2].[Cr+3].[Cr+3]
Properties
Cr2S3
Molar mass 200.19 g/mol
Appearance Brown to black powder
Odor odorless
Density 3.77 g/cm3
Melting point 1350 °C
insoluble
+2390.0·10−6 cm3/mol
Hazards
NFPA 704 (fire diamond)
1
0
0
NIOSH (US health exposure limits):
PEL (Permissible)
TWA 1 mg/m3
REL (Recommended)
TWA 0.5 mg/m3
IDLH (Immediate danger)
250 mg/m3
Safety data sheet (SDS)
Related compounds
Other anions
Chromium(III) oxide
Chromium(III) selenide
Chromium(III) telluride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Chromium(III) sulfide is the inorganic compound with the formula Cr2S3. It is a brown-black solid. Chromium sulfides are usually nonstoichiometric compounds, with formulas ranging from CrS to Cr0.67S (corresponding to Cr2S3).