lanthanum
Also known as: 57La, EINECS 231-099-0, LA000200, LA000210, LA000215, LA000240, LA007910, LANTHANUM, LANTHANUM ICP STANDARD TRACEABLE TO SRM, Lantano, Lanthan, Lanthane, LanthanuM Metal powder, Lanthanum chips, Lanthanum foil, Lanthanum ingot, Lanthanum rod, 100mm, diameter 6.35mm, cast, 99%, MFCD00011066, lanthanum atom
lanthanum (CAS 7439-91-0) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula La and a molecular weight of 138.90500 g/mol. Key properties include a melting point of 920 °C(lit.), a boiling point of 3464 °C(lit.) and a density of 6.19 g/mL at 25 °C(lit.). It is classified under GHS with signal word Danger and hazard statements H260. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 7439-91-0
- Jingsj CID
- J-28584-7
- Molecular Formula
- La
- Molecular Weight
- 138.90500 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 920 °C(lit.) |
|---|---|
| Boiling Point | 3464 °C(lit.) |
| Density | 6.19 g/mL at 25 °C(lit.) |
| Exact Mass | 138.90600 |
| Appearance | slugs |
GHS Safety & Compliance
- H260
Frequently Asked Questions
What is the CAS number of lanthanum?
The CAS number of lanthanum is 7439-91-0.
What are the molecular formula and molecular weight of lanthanum?
lanthanum has molecular formula La and molecular weight 138.90500 g/mol.
Which suppliers offer lanthanum?
1 supplier(s) listed; request a quote for pricing.
Is lanthanum hazardous?
lanthanum has GHS signal word Danger and hazard statements H260.
What are the upstream and downstream products of lanthanum?
For lanthanum, Upstream Products: Lanthanum trifluoride, Lanthanum(III) chloride, lanthanum bromide; Downstream Products: chromium, Lanthanum(III) chloride, Lanthanum iodide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "lanthanum (CAS 7439-91-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28584-7 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.