Bismuth(III) sulfide
From Wikipedia, the free encyclopedia
Bismuth(III) sulfide | |
---|---|
IUPAC name | Bismuth(III) sulfide |
Other names | Bismuth sulfide Dibismuth trisulfide |
Identifiers | |
CAS number | [1345-07-9] |
Properties | |
Molecular formula | Bi2S3 |
Molar mass | 514.16g mol-1 |
Appearance | brown powder |
Density | 6.78 g cm-3[1] |
Melting point |
685 ˚C[2] |
Solubility in water | Insoluble in water |
Hazards | |
Main hazards | Irritant |
R-phrases | R36/37/38 |
S-phrases | S26, S37 |
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
Bismuth(III) sulfide is a chemical compound of bismuth and sulfur. It occurs in nature as the mineral bismuthinite.
[edit] Synthesis
Bismuth(III) sulfide can be prepared by reacting a bismuth(III) salt with hydrogen sulfide:
[edit] Properties
Bismuth(III) sulfide has a trigonal prismatic crystal structure.