Tris(hydroxymethyl)phosphine

三(羟甲基)膦

Also known as: phosphanetriyltrimethanol, trimethylolphosphine, phosphinidynetrimethanol, phosphinidynetrismethanol, tris(methanol)phosphine, bis(hydroxymethyl)phosphanylmethanol, methanol, 1,1',1''-phosphinidynetris-

Tris(hydroxymethyl)phosphine (CAS 2767-80-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C3H9O3P and a molecular weight of 124.076 g/mol. It is also known as phosphanetriyltrimethanol, trimethylolphosphine and phosphinidynetrimethanol. Key properties include a melting point of 48-56ºC(lit.), a boiling point of 311.7±37.0 °C at 760 mmHg, a density of 1.137 (estimate) and a flash point of 142.3±26.5 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2767-80-8
Jingsj CID
J-1377610-5
Molecular Formula
C3H9O3P
Chinese Name
三(羟甲基)膦
Molecular Weight
124.076 g/mol
Category
Organic Compounds
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point48-56ºC(lit.)
Boiling Point311.7±37.0 °C at 760 mmHg
Density1.137 (estimate)
Flash Point142.3±26.5 °C

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of Tris(hydroxymethyl)phosphine?

The CAS number of Tris(hydroxymethyl)phosphine is 2767-80-8.

What are the molecular formula and molecular weight of Tris(hydroxymethyl)phosphine?

Tris(hydroxymethyl)phosphine has molecular formula C3H9O3P and molecular weight 124.076 g/mol.

Is Tris(hydroxymethyl)phosphine hazardous?

Tris(hydroxymethyl)phosphine 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(hydroxymethyl)phosphine (CAS 2767-80-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1377610-5 (accessed 2026-10-24).

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