Melting point: 655°C(lit.)
Boiling point: 1550°C(lit.)
Density: 5.20
Vapor pressure: 13.3hPa(660°C)
Flash point: 1550°Csubl.
Storage conditions: Storebelow+30°C.
Solubility: 2.70mg/l
form: powder
Color: White
Specific gravity: 5.67
Water solubility Slightlysoluble.<0.1g/100mLat20ºCMerck14,711
Stability Stable.
Antimony trioxide is a white crystalline powder, which turns yellow after heating, turns white after cooling, and is odorless.
Antimony trioxide is the earliest flame retardant used. It is often used in combination with other flame retardants and smoke suppressants, and each component can produce a synergistic effect.
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