Chromium(III) sulfide

Chromium(III) sulfide
Chromium(III) Sulfide
Identifiers
CAS number 12018-22-3
PubChem 159397
Properties
Molecular formula Cr2S3
Molar mass 200.19 g/mol
Appearance Brown to black odorless powder
Density 3.77 g/cm3
Melting point

1350 °C

Solubility in water insoluble
Hazards
MSDS [1]
NFPA 704
NFPA 704.svg
0
1
0
Related compounds
Other anions Chromium(III) oxide
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Chromium(III) Sulfide is the sulfide salt of trivalent chromium.

Contents

Preparation

It may be formed by the reaction of hydrogen sulfide with chromium(III) oxide or other chromium salts.

Properties

Chromium(III) sulfide appears as a brownish black powder that melts at 1350 C. It is essentially insoluble in water.[1] When heated sufficiently, it will oxidize in the presence of air or oxygen, though it is otherwise fairly stable.

Health effects

Chromium is not a confirmed carcinogen in humans. However, because chromium(III) sulfide is fairly insoluble in water, it is much less toxic than other chromium compounds.

References



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