niobium
Also known as: EINECS 231-113-5, MFCD00011126, niobium atom
niobium (CAS 7440-03-1) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula Nb and a molecular weight of 92.90640 g/mol. Key properties include a melting point of 2468 °C(lit.), a boiling point of 4742 °C(lit.) and a density of 8.57 g/mL at 25 °C(lit.). It is classified under GHS with signal word Danger and hazard statements H250. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 7440-03-1
- Jingsj CID
- J-28582-5
- Molecular Formula
- Nb
- Molecular Weight
- 92.90640 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | 99.9% 500g | - | - | CN China MOQ 500g | |
Made to Order | 99.9% 1kg | - | - | CN China MOQ 1kg | |
Made to Order | 99.9% 25kg | - | - | CN China MOQ 25kg |
Physicochemical Properties
| Melting Point | 2468 °C(lit.) |
|---|---|
| Boiling Point | 4742 °C(lit.) |
| Density | 8.57 g/mL at 25 °C(lit.) |
| Exact Mass | 92.90640 |
GHS Safety & Compliance
- H250
Customs & Trade Information
| HS Code | 8112994000 |
|---|
Frequently Asked Questions
What is the CAS number of niobium?
The CAS number of niobium is 7440-03-1.
What are the molecular formula and molecular weight of niobium?
niobium has molecular formula Nb and molecular weight 92.90640 g/mol.
Which suppliers offer niobium?
1 supplier(s) listed; request a quote for pricing.
Is niobium hazardous?
niobium has GHS signal word Danger and hazard statements H250.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "niobium (CAS 7440-03-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28582-5 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.