Antimony trioxide is a noncombustible, odorless,
white crystalline powder.
It is used in flame-proofing, pigments
and ceramics, to stain iron and copper; to decolorize glass;
industrial chemical, dye, pigment, and printing ink.
UN1549 Antimony compounds, inorganic, solid,
n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials,
Technical Name Required.
Incompatible with oxidizers (chlorates,
nitrates, peroxides, permanganates, perchlorates, chlorine,
bromine, fluorine, etc.); contact may cause fires or explosions.
Keep away from alkaline materials, strong bases,
strong acids, oxoacids, epoxides, halogenated acids, chlorinated
rubber, bromine trifluoride. Reduction with hydrogen
forms toxic antimony hydride.
Consult with environmental
regulatory agencies for guidance on acceptable disposal
practices. Generators of waste containing this contaminant
(≥100 kg/mo) must conform with EPA regulations governing
storage, transportation, treatment, and waste
disposal.