Arsenic triselenide

From Wikipedia, the free encyclopedia

Arsenic triselenide
Other names Arsenic(III) selenide
Identifiers
CAS number [1303-36-2]
Properties
Molecular formula As2Se3
Molar mass 386.72 g/mol
Appearance brown-black powder
odorless
Density 4.75 g/cm3, solid
Melting point

360°C

Solubility in water insoluble
Hazards
EU classification not listed
NFPA 704
0
4
0
 
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Arsenic triselenide (As2Se3) is an inorganic chemical compound, a selenide of arsenic.

Amorphous arsenic triselenide is used as a chalcogenide glass for infrared optics, as it transmits light with wavelengths between 870 nm and 17.2 µm.

[edit] References


Languages