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Sodium pyroantimonate
Molecular formula: Na2H2Sb2O7.5H2O
Molecular weight: 493.4
CAS Number: 12507-68-5
Character
Soluble in strong inorganic acid, tartaric acid, slightly soluble in water, alcohol, insoluble in dilute acid, non-flammable, non-explosive and non-corrosive in case of open fire.
Begin to lose crystal water above 150℃.
| Sb2O5 | Na2O | As2O3 | PbO | Fe2O3 | CuO |
| 64~65.5% | 12~13% | ≤0.01% | ≤0.04% | ≤0.02% | ≤0.002% |
| Cr2O3 | Water of Crystallization | Physical Water | Whiteness | granularity | |
| ≤0.002% | 22±0.5% | ≤0.3% | >85 | 80 meshes passed |
Mainly used as glass clarifying agent in the glass bulb of TV picture tube and high-grade glass products, and also used as whitening agent for enamel products and some
Flame retardant for woven fabrics, rubber and plastics, etc. At the same time, it is the most suitable raw material for the production of colloidal antimony pentoxide.
The product is divided into 1000kg package and 25kg package. It adopts three-layer packaging, the inner layer is PE film bag, and the outer layer is double-layer PE braid
Woven bags. Store the product in a dry and clean place.
