Sodium Tungstate
Sodium tungstate, with the chemical formula Na2WO4, is generally in the form of a dihydrate (Na2WO4 · 2H2O).
Colorless crystals or white rhombohedral crystals. Dissolved in water, the aqueous solution is slightly alkaline; Insoluble in ethanol. Weathering in dry air, it loses its crystalline water and becomes anhydrous when heated to 100 ° C.
Technical specifications
| Melting point: |
698° C |
| Density: |
3.23-3.25 |
| solubility |
Soluble in water |
| Na2WO4.2H2O Content |
98.11% |
| Fe |
0.002% |
| As |
0.002% |
| SO4 |
0.002% |
| Pb |
0.001% |
| Cl |
0.02% |
| Water insoluble Matter |
0.015% |
Purpose:
Sodium tungstate is used as a raw material for manufacturing metal tungsten, tungstic acid, and tungstate salts. It can be used as a mordant, catalyst, and pigment, as well as a fabric fireproof agent and chemical analysis reagent. It is also widely used in the petroleum, aerospace, and defense industries.
FAQ
Q1: How about the validity of the offer?
A: Usually, quotation is valid for 1 week. However, the validity period may be affected by
factors such as ocean freight, raw material prices, etc.
Q2: What is the payment method you can accept?
A: We usually accept T/T, L/C.
Q3: May I get some samples from your side?
A: Yes, of course. We'd like to provide 100-500 g free sample to you, which depends on
product you need. You just need bear the express freight, but we will refund you after you
place bulk order.
Q4: How about lead time?
A: In general the lead time is 2-3 weeks, sometimes it can be shorter or longer
Q5: What kind of package do you have?
A: We have various of packages to meet needs of our customers,like bags or drum for solid
products,lron drums, plastic drums, IBC tank s, Flexitank, ISO TANK for liquid products.
Q6: Which documents can you supply?
A: We usually provide our customers with Commercial Invoice, Price List, Packing List, COA,
OriginCerificate, Quality/Quantity Certificate, Beneficary's Certificate, MSDS, B/L and others.
Thanks for your visit and welcome your kind inquiry!!!
Audited Supplier 
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