Tungsten trioxide
Also known as: 3-O-Mesyl-D-glucose, D-Glucose,3-methanesulfonate, EINECS 215-231-4, MFCD00011466, O3-Mesyl-D-glucose, O3W,tetragonal, Tungsten Trioxide, Tungstic anhydride
Tungsten trioxide (CAS 1314-35-8) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula O3W and a molecular weight of 231.83800 g/mol. Key properties include a melting point of 1470-1475 °C, a boiling point of ~1700ºC and a density of 7.16 g/mL at 25 °C(lit.). It is listed by 2 suppliers, 1 of which publish reference prices, from 3.54 to 4.60 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 1314-35-8
- Jingsj CID
- J-1345631-3
- Molecular Formula
- O3W
- Molecular Weight
- 231.83800 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 4N 250g | ¥885.00 | $0.53 /gBest ¥3.54/g CNY | CN China MOQ 250g | |
In Stock | 比表面积15m2/g, 50nm,99.9% 100g | ¥390.00 | $0.58 /g ¥3.90/g CNY | CN China MOQ 100g | |
In Stock | 比表面积15m2/g, 50nm,99.9% 25g | ¥115.00 | $0.69 /g ¥4.60/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Melting Point | 1470-1475 °C |
|---|---|
| Boiling Point | ~1700ºC |
| Density | 7.16 g/mL at 25 °C(lit.) |
| Exact Mass | 231.93600 |
| PSA | 51.21000 |
| Additional Property | insoluble |
Customs & Trade Information
| HS Code | 2825901200 |
|---|
Frequently Asked Questions
What is the CAS number of Tungsten trioxide?
The CAS number of Tungsten trioxide is 1314-35-8.
What are the molecular formula and molecular weight of Tungsten trioxide?
Tungsten trioxide has molecular formula O3W and molecular weight 231.83800 g/mol.
Which suppliers offer Tungsten trioxide?
2 supplier(s) listed; reference unit price ¥3.54–4.60 /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. "Tungsten trioxide (CAS 1314-35-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1345631-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.