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Sodium Pyroantimonate is an inorganic salt compound of antimony, which is produced from antimony products such as antimony oxide through alkali and hydrogen peroxide. There are granular crystal and equiaxed crystal. It has good chemical stability.
Sodium Pyroantimonate
Trade Name & Synonyms | Sodium Hexahydroxy antimonate, Sodium Hexahydro antimonate, Sodium Hexahydroxo antimonate,Industry Sodium Antimonate Trihydrate, Sodium Antimonate Hydration for Electronic, Sodium Antimonate. | |||
Cas No. | 12507-68-5, 33908-66-6 | |||
Molecular Formula | NaSb(OH)6, NaSbO3·3H2O, H2Na2O7Sb2 | |||
Molecular Weight | 246.79 | |||
Appearance | White Powder | |||
Melting Point | 1200℃ | |||
Boiling Point | 1400℃ | |||
Solubility | Soluble in tartaric acid, sodium sulfide solution, concentrated sulfuric acid. Slightly soluble in alcohol, silver salt. Insoluble in acetic acid, dilute alkali, dilute in organic acid and cold water. |
Enterprise Specification for Sodium Pyroantimonate
Symbol | Grade | Sb2O5(%) | Na2O | Foreign Mat. ≤ (%) | Particle Size | ||||||||
As2O3 | Fe2O3 | CuO | Cr2O3 | PbO | V2O5 |
Moisture Content |
850μm Residueon Sieve(%) | 150μm Residueon Sieve(%) | 75μm Residueon Sieve(%) | ||||
UMSPS64 | Superior | 64.0~65.6 | 12.0~13.0 | 0.02 | 0.01 | 0.001 | 0.001 | 0.1 | 0.001 | 0.3 | As customers' requirement | ||
UMSPQ64 | Qualified | 64.0~65.6 | 12.0~13.0 | 0.1 | 0.05 | 0.005 | 0.005 | - | 0.005 | 0.3 |
Packing: 25kg/Bag, 50kg/Bag, 500kg/Bag, 1000kg/Bag.
What is Sodium Pyroantimonate used for?
Performance Dimension | Advantages of Sodium Pyroantimonate | Industrial Value |
Flame retardant efficiency | Synergistic flame retardant effect increased by 40% | Reduced by 30% to achieve UL94 V-0 grade |
Material compatibility | Nearly zero depolymerization reaction | Guarantee the integrity of sensitive polymer chains such as PET |
Optical influence | Transmittance > 99% / Coloring power decreased by 65% | Maintain the original color of engineering plastics |
Thermal stability | Decomposition temperature > 550℃ | Adapt to high temperature injection molding/extrusion process |
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