Tungsten
Also known as: EINECS 231-143-9, MFCD00011461, Tungsten ICPStd., Tungsten granular, tungsten atom
Tungsten (CAS 7440-33-7) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula W and a molecular weight of 183.84000 g/mol. Key properties include a melting point of 3410ºC, a boiling point of 5660ºC, a density of 19.3 and a flash point of -23ºC. It is classified under GHS with signal word Danger and hazard statements H228, H315 — Causes skin irritation and H319 — Causes serious eye irritation. It is listed by 2 suppliers, 1 of which publish reference prices, from 2.60 to 7.12 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 7440-33-7
- Jingsj CID
- J-40114-0
- Molecular Formula
- W
- Molecular Weight
- 183.84000 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | 比表面积5-25m2/g,粒度20nm-100nm,99.9% 500g | ¥1,300.00 | $0.39 /gBest ¥2.60/g CNY | CN China MOQ 500g | |
In Stock | 比表面积5-25m2/g,粒度20nm-100nm,99.9% 100g | ¥310.00 | $0.46 /g ¥3.10/g CNY | CN China MOQ 100g | |
In Stock | 比表面积5-25m2/g,粒度20nm-100nm,99.9% 25g | ¥178.00 | $1.07 /g ¥7.12/g CNY | CN China MOQ 25g |
Physicochemical Properties
| Melting Point | 3410ºC |
|---|---|
| Boiling Point | 5660ºC |
| Density | 19.3 |
| Flash Point | -23ºC |
| Exact Mass | 183.95100 |
| Additional Property | insoluble |
GHS Safety & Compliance
- H228
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
Frequently Asked Questions
What is the CAS number of Tungsten?
The CAS number of Tungsten is 7440-33-7.
What are the molecular formula and molecular weight of Tungsten?
Tungsten has molecular formula W and molecular weight 183.84000 g/mol.
Which suppliers offer Tungsten?
2 supplier(s) listed; reference unit price ¥2.60–7.12 /g.
Is Tungsten hazardous?
Tungsten has GHS signal word Danger and hazard statements H228; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
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 (CAS 7440-33-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40114-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.