Silicotungstic acid hydrate
Also known as: Silicotungstic acid, Tungstosilicic acid, Tungstosilicic acid hydrate, 12-Tungstosilicic acid, Dodeca-tungstosilicic acid
Silicotungstic acid hydrate (CAS 12027-38-2) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula H6O41SiW12 and a molecular weight of 2896.19000 g/mol. Key properties include a boiling point of 100ºC at 760 mmHg and a density of 2.099 g/cm3. It is listed by 2 suppliers, 1 of which publish reference prices, from 1.00 to 3.28 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 12027-38-2
- Jingsj CID
- J-4789-8
- Molecular Formula
- H6O41SiW12
- Molecular Weight
- 2896.19000 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | AR 500g | ¥498.00 | $0.15 /gBest ¥1.00/g CNY | CN China MOQ 500g | |
In Stock | AR 100g | ¥195.00 | $0.29 /g ¥1.95/g CNY | CN China MOQ 100g | |
In Stock | 98% 500g | ¥1,028.00 | $0.31 /g ¥2.06/g CNY | CN China MOQ 500g |
Physicochemical Properties
| Boiling Point | 100ºC at 760 mmHg |
|---|---|
| Density | 2.099 g/cm3 |
| Exact Mass | 2897.23000 |
| PSA | 610.59000 |
| Additional Property | H2O: 0.1 g/mL, clear, colorless |
Frequently Asked Questions
What is the CAS number of Silicotungstic acid hydrate?
The CAS number of Silicotungstic acid hydrate is 12027-38-2.
What are the molecular formula and molecular weight of Silicotungstic acid hydrate?
Silicotungstic acid hydrate has molecular formula H6O41SiW12 and molecular weight 2896.19000 g/mol.
Which suppliers offer Silicotungstic acid hydrate?
2 supplier(s) listed; reference unit price ¥1.00–3.28 /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 hydrate (CAS 12027-38-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-4789-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.