Diantimony trioxide CAS#1309-64-4

Diantimony trioxide CAS#1309-64-4

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Excellent Thermal Stability:With a high melting point of 655 °C and a boiling point of 1550 °C, antimony trioxide maintains stable performance under high-temperature conditions.

Versatile Chemical Reactivity:It is soluble in various acids and alkaline solutions, making it suitable for use as a catalyst, mordant, and intermediate in the synthesis of antimony salts.

Effective Flame Retardant Performance:Antimony trioxide is widely used as a synergistic flame retardant, enhancing fire resistance in plastics, rubber, and other materials.

Wide Industrial Applicability:It is commonly applied as a pigment, flame retardant, catalyst, and auxiliary material across chemical, coating, and materials industries.
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Product Description

Melting point655 °C (lit.)
Boiling point1550 °C (lit.)
Density5.2
Vapor pressure13.3 hPa (660 °C)
Fp1550°C subl.
Storage tempStore below +30°C.
Solubility2.70mg/l
Formpowder
ColorWhite
Specific Gravity5.67
OdorWh. cubic or orthorhombic cryst., odorless
Water SolubilitySlightly soluble. <0.1 g/100 mL at 20 ºC
Merck14,711
Exposure limitsACGIH: TWA 0.5 mg/m3
NIOSH: IDLH 50 mg/m3; TWA 0.5 mg/m3
StabilityStable.
InChIKeyMUBFITUCTVFSOJ-UHFFFAOYSA-L
CAS DataBase Reference1309-64-4(CAS DataBase Reference)
NIST Chemistry ReferenceAntimony trioxide(1309-64-4)
IARC2B (Vol. 47) 1989
EPA Substance Registry SystemAntimony trioxide (1309-64-4)

Safety Information

Hazard CodesXn,Xi,T
Risk Statements40-61
Safety Statements22-36/37-45-53
RIDADR1549
WGK Germany2
RTECSCC5650000
Hazard NoteIrritant
TSCAYes
HazardClass6.1
PackingGroupIII
HS Code28258000
Hazardous Substances Data1309-64-4(Hazardous Substances Data)
ToxicityLD50 orally in rats: >20 g/kg (Smyth)


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