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Come & visit us No. 11, Bld. C, Hengmingzhu Tech. Industrial Park, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China
Give us a call +86 -755-25432352
Email us info@urbanmines.com
Come & visit us No. 11, Bld. C, Hengmingzhu Tech. Industrial Park, Shajing Subdistrict, Bao'an District, Shenzhen, Guangdong, China
Sodium Antimonate (NaSbO3) is a kind of inorganic salt, and also called sodium metaantimonate. White powder with granular and equiaxed crystals. High temperature resistance, still does not decompose at 1000 ℃. Insoluble in cold water, hydrolyzed in hot water to form colloid.
| Trade Name & Synonyms： | Natrium antimonate, Sodium Antimonate(V), Trisodium Antimonate,Sodium Meta antimonate. |
| Cas No. | 15432-85-6 |
| Compound Formula | NaSbO3 |
| Molecular Weight | 192.74 |
| Appearance | White powder |
| Melting Point | >375 °C |
| Boiling Point | N/A |
| Density | 3.7 g/cm3 |
| Solubility in H2O | N/A |
| Exact Mass | 191.878329 |
| Monoisotopic Mass | 191.878329 |
| Solubility Product Constant (Ksp) | pKsp: 7.4 |
| Stability | Stable. Incompatible with strong oxidizing agents, strong acids, strong bases. |
| EPA Substance Registry System | Antimonate (SbO31-), Sodium (15432-85-6) |
| Symbol | Grade | Antimony(as Sb2O5)%≥ | Antimony(as Sb)%≥ | Sodium Oxide(Na2O) %≥ | Foreign Mat. ≤(%) | Physical Property | |||||||||
| (Sb3+) | Iron (Fe2O3) |
Lead (PbO) |
Arsenic (As2O3) |
Copper|(CuO) | Chromium (Cr2O3) |
Vanadium (V2O5) |
Moisture Content(H2O) | Particle Size (D50))μm |
Whiteness % ≥ |
Loss on Ignition (600℃/1Hour)%≤ |
|||||
| UMSAS62 | Superior | 82.4 | 62 | 14.5〜15.5 | 0.3 | 0.006 | 0.02 | 0.01 | 0.005 | 0.001 | 0.001 | 0.3 | 1.0〜2.0 | 95 | 6 |
| UMSAQ60 | Qualified | 79.7 | 60 | 14.5〜15.5 | 0.5 | 0.01 | 0.05 | 0.02 | 0.01 | 0.005 | 0.005 | 0.3 | 1.5〜3.0 | 93 | 10 |
Packing: 25kg /Bag, 50kg /Bag, 500kg/Bag, 1000kg/Bag.
What is Sodium Antimonate used for?
Sodium Antimonate (NaSbO3) is used in industrial applications where special colors are required or when antimony trioxide may produce unwanted chemical reactions. Atimony Pentoxide (Sb2O5) and Sodium Antimonate (NaSbO3) are the pentavalent forms of antimony most widely used as flame retardants. Pentavalent Antimonates function primarily as a stable colloid or synergist with halogenated flame retardants. Sodium Antimonate is the sodium salt of the hypothetical Antimonic Acid H3SbO4. Sodium antimonate trihydrate is used as an additive in the glass-production, catalyst, fire-retardants and as an antimony source for other antimony compounds.
Ultrafine 2-5 micron sodium meta antimonate is the best anti-wear agent and flame retardant, and has a good effect of enhancing conductivity. It is mainly used in the manufacture of plastic parts such as automobiles, high-speed railways, and aviation, as well as in the production of optical fiber materials, rubber products, paint products and textiles. It is obtained by smashing antimony blocks, mixing with sodium nitrate and heating, passing air to react, and then leaching with nitric acid. It can also be obtained by mixing crude antimony trioxide with hydrochloric acid, chlorination with chlorine, hydrolysis and neutralization with excess alkali.
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