Name Antimony trioxide
Molecular Formula Sb2O3
Molecular Weight 291.52
CAS Registry Number 1309-64-4
EINECS 215-175-0 UN 9201
1.Properties:Antimony trioxide is a white fine powder and the main crystal structure is of cubical shape.
2.Product specification:
Item | Sb2O3 99.80 | Sb2O3 99.50 | Sb2O3 99.0 | ||
Chemical composition | Sb2O3% (min) | 99.80 | 99.50 | 99 | |
Impurity ≤ | As2O3 % | 0.05 | 0.06 | 0.08 | |
PbO % | 0.08 | 0.10 | 0.30 | ||
Fe2O3 % | 0.005 | 0.006 | 0.01 | ||
CuO % | 0.001 | 0.005 | 0.008 | ||
Se % | 0.002 | 0.002 | 0.01 | ||
Physical property | White degree | 97 | 95 | 95 | |
Average size (um) | 0.3-0.6 | 0.6-1.2 | 0.3-1.2 |
3.Application:
1.It is widely used as a fire retardant in the membranes of plastic industry , the enclosures of electric devices
and household electric appliances such as PVC, PP, PE, PS, ABS, PU, etc.
2. Used as filling, covering agents and retardants for rubber, ceramics, enamels, fabrics, and fiber products.3. Used as pigments and retardants in oil paint and coating material industry.4. Used as retardants in synthetic resin and papers;5.Used as catalytic agent in organic synthesis.
4.Packing:
Packed in 25 kilograms multiwall paper bags, 40 bags per pallet. Each pallet is stretch wrapped in polythene
to prevent shifting of the bags during transit. Or as customer's requirement.
Antimony trioxide