Tris(4-methylphenyl)phosphine selenide

三(4-甲基苯基)膦硒化物

Also known as: Tri-p-tolylphosphine selenide, Tris(p-tolyl)phosphine selenide, TPTP selenide

Tris(4-methylphenyl)phosphine selenide (CAS 218281-19-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C21H21P and a molecular weight of 304.36500 g/mol. It is also known as Tri-p-tolylphosphine selenide, Tris(p-tolyl)phosphine selenide and TPTP selenide. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 218281-19-7
Jingsj CID: J-1071388-8
Molecular Formula: C₂₁H₂₁P
Chinese Name: 三(4-甲基苯基)膦硒化物
Molecular Weight: 304.36500 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of Tris(4-methylphenyl)phosphine selenide?

The CAS number of Tris(4-methylphenyl)phosphine selenide is 218281-19-7.

What are the molecular formula and molecular weight of Tris(4-methylphenyl)phosphine selenide?

Tris(4-methylphenyl)phosphine selenide has molecular formula C21H21P and molecular weight 304.36500 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Tris(4-methylphenyl)phosphine selenide (CAS 218281-19-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1071388-8 (accessed 2026-10-26).

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