Tris(4-methoxy-3,5-dimethylphenyl)phosphine

三(4-甲氧基-3,5-二甲苯基)膦

Also known as: Phosphine, tris(4-methoxy-3,5-dimethylphenyl)-, Tris(3,5-dimethyl-4-methoxyphenyl)phosphine, Tris(4-methoxy-3,5-dimethylphenyl)phosphane, MFCD03840342

Tris(4-methoxy-3,5-dimethylphenyl)phosphine (CAS 121898-64-4) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C27H33O3P and a molecular weight of 436.523 g/mol. It is also known as Phosphine, tris(4-methoxy-3,5-dimethylphenyl)-, Tris(3,5-dimethyl-4-methoxyphenyl)phosphine and Tris(4-methoxy-3,5-dimethylphenyl)phosphane. Key properties include a melting point of 175-177ºC, a boiling point of 539.3±50.0 °C at 760 mmHg and a flash point of 351.1±30.4 °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.

121898-64-4

Jingsj CID

J-14147-7

Molecular Formula

C₂₇H₃₃O₃P

Chinese Name

三(4-甲氧基-3,5-二甲苯基)膦

Molecular Weight

436.523 g/mol

Category

Solvents

Last updated

8/21/2026