Sodium Antimonate

Sales Sodium Antimonate

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.

Product Detail  

Sodium Antimonate

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)


Enterprise Specification for Sodium Antimonate

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 14.515.5 0.3 0.006 0.02 0.01 0.005 0.001 0.001 0.3 1.02.0 95 6
UMSAQ60 Qualified 79.7 60 14.515.5 0.5 0.01 0.05 0.02 0.01 0.005 0.005 0.3 1.53.0 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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