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1,1,1-Tris(diphenylphosphino)methane

1,1,1-三(二苯基膦)甲烷

Also known as: Tris(diphenylphosphino)methane, Phosphine, P,P',P''-methylidynetris[diphenyl-, bis(diphenylphosphanyl)methyl-diphenylphosphane, methylidynetris(diphenylphosphine), 1,1,1-TRIS(DIPHENYLPHOSPHINO)METHANE

1,1,1-Tris(diphenylphosphino)methane (CAS 28926-65-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C37H31P3 and a molecular weight of 568.56300 g/mol. It is also known as Tris(diphenylphosphino)methane, Phosphine, P,P',P''-methylidynetris[diphenyl- and bis(diphenylphosphanyl)methyl-diphenylphosphane. Key properties include a melting point of 168-172ºC, a boiling point of 653.2ºC at 760 mmHg and a flash point of 372.5ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
28926-65-0
Jingsj CID
J-26412-5
Molecular Formula
C37H31P3
Chinese Name
1,1,1-三(二苯基膦)甲烷
Molecular Weight
568.56300 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point168-172ºC
Boiling Point653.2ºC at 760 mmHg
Flash Point372.5ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 1,1,1-Tris(diphenylphosphino)methane?

The CAS number of 1,1,1-Tris(diphenylphosphino)methane is 28926-65-0.

What are the molecular formula and molecular weight of 1,1,1-Tris(diphenylphosphino)methane?

1,1,1-Tris(diphenylphosphino)methane has molecular formula C37H31P3 and molecular weight 568.56300 g/mol.

Is 1,1,1-Tris(diphenylphosphino)methane hazardous?

1,1,1-Tris(diphenylphosphino)methane has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "1,1,1-Tris(diphenylphosphino)methane (CAS 28926-65-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26412-5 (accessed 2026-10-23).

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