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Diphenyl(4-vinylphenyl)phosphine

Also known as: Diphenyl(p-vinylphenyl)phosphine, 4-(Diphenylphosphino)styrene, 4-Vinyltriphenylphosphine, p-(Diphenylphosphino)styrene, p-Styryldiphenylphosphine, Diphenylphosphinostyrene, Phosphine,(4-ethenylphenyl)diphenyl-

Diphenyl(4-vinylphenyl)phosphine (CAS 40538-11-2) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C20H17P and a molecular weight of 288.32300 g/mol. Key properties include a melting point of 75-80ºC, a boiling point of 400.6ºC at 760 mmHg and a flash point of 206.9ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H413. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
40538-11-2
Jingsj CID
J-30112-2
Molecular Formula
C20H17P
Molecular Weight
288.32300 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point75-80ºC
Boiling Point400.6ºC at 760 mmHg
Flash Point206.9ºC
Exact Mass288.10700
PSA13.59000
LogP4.08780
Storage Conditions2-8℃

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H413

Customs & Trade Information

HS Code2902909090
Summary2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Diphenyl(4-vinylphenyl)phosphine?

The CAS number of Diphenyl(4-vinylphenyl)phosphine is 40538-11-2.

What are the molecular formula and molecular weight of Diphenyl(4-vinylphenyl)phosphine?

Diphenyl(4-vinylphenyl)phosphine has molecular formula C20H17P and molecular weight 288.32300 g/mol.

Is Diphenyl(4-vinylphenyl)phosphine hazardous?

Diphenyl(4-vinylphenyl)phosphine has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H413.

What are the upstream and downstream products of Diphenyl(4-vinylphenyl)phosphine?

For Diphenyl(4-vinylphenyl)phosphine, Upstream Products: 4-Bromostyrene, Chlorodiphenylphosphine, 4-Chlorostyrene.

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

Last updated:

How to cite: Jingsj. "Diphenyl(4-vinylphenyl)phosphine (CAS 40538-11-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30112-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.