Silicotungstic acid
Also known as: Tungstosilicic acid, 12-Tungstosilicic acid, Dodeca-tungstosilicic acid, 12-Wolframosilicic acid
Silicotungstic acid (CAS 12520-88-6) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H84O40SiW12 and a molecular weight of 2958.81000 g/mol. It is listed by 3 suppliers, 2 of which publish reference prices, from 19.00 to 60.00 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 12520-88-6
- Jingsj CID
- J-1310007-2
- Molecular Formula
- H84O40SiW12
- Molecular Weight
- 2958.81000 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 99% 500g | ¥9,500.00 | $2.84 /gBest ¥19.00/g CNY | CN China MOQ 500g | |
Made to Order | 99% 100g | ¥2,500.00 | $3.74 /g ¥25.00/g CNY | CN China MOQ 100g | |
Made to Order | 99% 25g | ¥700.00 | $4.19 /g ¥28.00/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Exact Mass | 2959.84000 |
|---|---|
| PSA | 369.20000 |
| Stability | Stable. Incompatible with strong bases. |
| Additional Property | very soluble H2O, alcohol [MER06] |
Frequently Asked Questions
What is the CAS number of Silicotungstic acid?
The CAS number of Silicotungstic acid is 12520-88-6.
What are the molecular formula and molecular weight of Silicotungstic acid?
Silicotungstic acid has molecular formula H84O40SiW12 and molecular weight 2958.81000 g/mol.
Which suppliers offer Silicotungstic acid?
3 supplier(s) listed; reference unit price ¥19.00–60.00 /g.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Silicotungstic acid (CAS 12520-88-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1310007-2 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.