Bismuth(III) sulfide
IUPAC name	Bismuth(III) sulfide
Other names	Bismuth sulfide Dibismuth trisulfide
Identifiers
CAS number	1345-07-9 Y
Properties
Molecular formula	Bi2S3
Molar mass	514.16 g/mol
Appearance	brown powder
Density	6.78 g/cm3[1]
Melting point	775 ˚C[2]
Solubility in water	insoluble
Solubility	soluble in acids
Hazards
R-phrases	R36/37/38
S-phrases	S26, S37
Y (what is this?)  (verify) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Bismuth(III) sulfide is a chemical compound of bismuth and sulfur. It occurs in nature as the mineral bismuthinite.

Contents 1 Synthesis 2 Properties 3 Uses 4 References

[edit] Synthesis

Bismuth(III) sulfide can be prepared by reacting a bismuth(III) salt with hydrogen sulfide:

Bismuth (III) sulfide can also be prepared by the reaction of elemental bismuth and elemental sulfur in an evacuated silica tube at 500 °C for 96 hours.

[edit] Properties

Bismuth(III) sulfide has a trigonal prismatic crystal structure.

[edit] Uses

It is used as a starting material to produce any other bismuth compounds. ^[3]

[edit] References

1. ^ WebElements Periodic Table of the Elements
2. ^ D. Cubicciotti, "The Bismuth-Sulfur Phase Diagram," J. Phys. Chem., 66, 1205, (1962).
3. ^ Pradyot Patnaik. Handbook of Inorganic Chemicals. McGraw-Hill, 2002, ISBN 0070494398