Tri(o-tolyl)phosphine

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%

Tri(o-tolyl)phosphine (CAS 6163-58-2) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C21H21P and a molecular weight of 304.37 g/mol. Key properties include a melting point of 123-125 °C(lit.), a boiling point of 412.4±44.0 °C at 760 mmHg and a flash point of 214.6±34.7 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

6163-58-2

Jingsj CID

J-13879-4

Molecular Formula

C₂₁H₂₁P

Molecular Weight

304.37 g/mol

Category

Solvents

Last updated

8/21/2026