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Lutetium

Also known as: (176lu)lutetium, Cassiopeium, EINECS 231-103-0, MFCD00011098, lutecio, lutecium, lutetium atom, siopium

Lutetium (CAS 7439-94-3) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula Lu and a molecular weight of 174.967 g/mol. Key properties include a melting point of 1663 °C(lit.), a boiling point of 3402 °C(lit.) and a density of 9.84 g/mL at 25 °C(lit.). It is classified under GHS with signal word Danger and hazard statements H228. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.

CAS No.
7439-94-3
Jingsj CID
J-24283-9
Molecular Formula
Lu
Molecular Weight
174.967 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026
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Physicochemical Properties

Melting Point1663 °C(lit.)
Boiling Point3402 °C(lit.)
Density9.84 g/mL at 25 °C(lit.)
Exact Mass174.940796

GHS Safety & Compliance

FlammableSignal word: Danger
  • H228

Frequently Asked Questions

What is the CAS number of Lutetium?

The CAS number of Lutetium is 7439-94-3.

What are the molecular formula and molecular weight of Lutetium?

Lutetium has molecular formula Lu and molecular weight 174.967 g/mol.

Which suppliers offer Lutetium?

1 supplier(s) listed; request a quote for pricing.

Is Lutetium hazardous?

Lutetium has GHS signal word Danger and hazard statements H228.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Lutetium (CAS 7439-94-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24283-9 (accessed 2026-11-06).

Data for reference only; verify product details with suppliers before purchase.