Antimony tetroxide
Chemical compound / From Wikipedia, the free encyclopedia
Antimony tetroxide is an inorganic compound with the formula Sb2O4. This material, which exists as the mineral cervantite,[3] is white but reversibly yellows upon heating. The material, with empirical formula SbO2, is called antimony tetroxide to signify the presence of two kinds of Sb centers.[4]
Quick Facts Names, Identifiers ...
α-Sb2O4 | |
Names | |
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IUPAC name
antimony(III,V) oxide | |
Identifiers | |
ECHA InfoCard | 100.014.161 |
PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
SbO2; Sb2O4 | |
Molar mass | 153.7588; 307.5176 g/mol |
Appearance | white solid |
Density | 6.64 g/cm3 (orthorhombic form) [1] |
Melting point | > 930 °C (1,710 °F; 1,200 K) (decomposes) |
Boiling point | decomposes |
insoluble | |
Refractive index (nD) |
2.0 |
Structure | |
orthorhombic | |
Hazards | |
NFPA 704 (fire diamond) | |
NIOSH (US health exposure limits): | |
PEL (Permissible) |
TWA 0.5 mg/m3 (as Sb)[2] |
REL (Recommended) |
TWA 0.5 mg/m3 (as Sb)[2] |
Related compounds | |
Related compounds |
Antimony trioxide Antimony pentoxide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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