Tri(o-tolyl)phosphine

三(2-甲苯基)膦

Also known as: Tris(2-methylphenyl)phosphine, Tris(o-tolyl)phosphine, Tri-o-tolylphosphine, Tris(2-methylphenyl)phosphane, Tri-2-tolylphosphine, Phosphine, tri-o-tolyl-, Phosphine, tris(2-methylphenyl)-, Tri(o-tolyl)phosphine, 97%, Tri(o-tolyl)phosphine, 99%

CAS No.
6163-58-2
Jingsj CID
J-13879-8
Molecular Formula
C21H21P
Chinese Name
三(2-甲苯基)膦
Molecular Weight
304.37 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Melting Point123-125 °C(lit.)
Boiling Point412.4±44.0 °C at 760 mmHg
Flash Point214.6±34.7 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Tri(o-tolyl)phosphine?

6163-58-2

What are the molecular formula and molecular weight of Tri(o-tolyl)phosphine?

C21H21P, molecular weight 304.37 g/mol

Is Tri(o-tolyl)phosphine hazardous?

Warning

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026