Commodity: Catalyst
antimony trioxide 99.90%
CAS Number: 1309-64-4
HS Number:282580
Chemical formula: Sb2O3
Appearance: White powder
Molecular weight: 291.5
Melting point: 656°c
Boiling point: 1425°c
Specific gravity: 5.2
Solubility: soluble in HCL and
tartaric acid; insoluble in water and acetic acid.
Application: Used as catalyst for condensation polymerization of polyester
Specification:
|
Grade
|
Sb2O3 99.90
|
|
Chemical composition
|
Sb2O3 ≧
|
99.90I
|
99.90II
|
|
Impurities content
|
As
|
0.010
|
0.020
|
|
Pb
|
0.010
|
0.030
|
|
Fe
|
0.001
|
0.003
|
|
Cu
|
0.001
|
0.002
|
|
Se
|
0.001
|
0.0015
|
|
Bi
|
0.001
|
0.001
|
|
≦
|
Cd
|
0.0005
|
0.0005
|
|
Physical Properties
|
Whiteness ≧
|
96
|
96
|
|
Average pariticle size
|
0.4-0.9 0.9-1.2
|
|
Transmittance in EG solution% ≧
|
97
|
|
B color ≦
|
1.2
|
Packing: - 20/25kgs Kraft paper bags with the inner of PE bag, 1000kgs on wooden pallet with plastic-film protection.
- Or 500/1000kgs flexible bag on wooden pallet with plastic-film protection.
- Or according to buyer's requirements.
Hot Tags：Catalyst Antimony Trioxide / Catalyst Sb2O3 / Catalyst ATO/CAS 1309-64-4
