Pentafluorophenyl diphenylphosphinate

五氟苯基二苯基磷酸酯

Also known as: Perfluorophenyl diphenylphosphinate, Diphenylphosphinic acid pentafluorophenyl ester, FDPP, 1-diphenylphosphoryloxy-2,3,4,5,6-pentafluorobenzene, Phosphinic acid, P,P-diphenyl-, 2,3,4,5,6-pentafluorophenyl ester

Pentafluorophenyl diphenylphosphinate (CAS 138687-69-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H10F5O2P and a molecular weight of 384.237 g/mol. It is also known as Perfluorophenyl diphenylphosphinate, Diphenylphosphinic acid pentafluorophenyl ester and FDPP. Key properties include a melting point of 47-50ºC(lit.), a boiling point of 413.1±55.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 203.6±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 138687-69-1
Jingsj CID: J-1411128-8
Molecular Formula: C₁₈H₁₀F₅O₂P
Chinese Name: 五氟苯基二苯基磷酸酯
Molecular Weight: 384.237 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	47-50ºC(lit.)
Boiling Point	413.1±55.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	203.6±31.5 °C

Frequently Asked Questions

What is the CAS number of Pentafluorophenyl diphenylphosphinate?

The CAS number of Pentafluorophenyl diphenylphosphinate is 138687-69-1.

What are the molecular formula and molecular weight of Pentafluorophenyl diphenylphosphinate?

Pentafluorophenyl diphenylphosphinate has molecular formula C18H10F5O2P and molecular weight 384.237 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. "Pentafluorophenyl diphenylphosphinate (CAS 138687-69-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1411128-8 (accessed 2026-10-26).

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