tris(cyclopentadienyl)thulium

三(环戊二烯基)铥(III)

Also known as: Tris(cyclopentadienyl)thulium (III), Tris(eta5-2,4-cyclopentadien-1-yl)thulium, Thulium tricyclopentadienide, Thulium, tris(eta(5)-2,4-cyclopentadien-1-yl)-

tris(cyclopentadienyl)thulium (CAS 1272-26-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C15H15Tm and a molecular weight of 364.21400 g/mol. It is also known as Tris(cyclopentadienyl)thulium (III), Tris(eta5-2,4-cyclopentadien-1-yl)thulium and Thulium tricyclopentadienide. Key properties include a melting point of 248-249ºC (dec.)(lit.) and a boiling point of 41.5ºC at 760 mmHg. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1272-26-0
Jingsj CID
J-11348-7
Molecular Formula
C15H15Tm
Chinese Name
三(环戊二烯基)铥(III)
Molecular Weight
364.21400 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point248-249ºC (dec.)(lit.)
Boiling Point41.5ºC at 760 mmHg

GHS Safety & Compliance

FlammableSignal word: Danger

Frequently Asked Questions

What is the CAS number of tris(cyclopentadienyl)thulium?

The CAS number of tris(cyclopentadienyl)thulium is 1272-26-0.

What are the molecular formula and molecular weight of tris(cyclopentadienyl)thulium?

tris(cyclopentadienyl)thulium has molecular formula C15H15Tm and molecular weight 364.21400 g/mol.

Is tris(cyclopentadienyl)thulium hazardous?

tris(cyclopentadienyl)thulium has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "tris(cyclopentadienyl)thulium (CAS 1272-26-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11348-7 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.