Pentafluorophenyl isocyanate

五氟苯基异氰酸酯

Also known as: Perfluorophenyl isocyanate, Pentafluoroisocyanatobenzene, 1,2,3,4,5-pentafluoro-6-isocyanatobenzene, Isocyanic acid, pentafluorophenyl ester, Benzene, 1,2,3,4,5-pentafluoro-6-isocyanato-, Benzene, pentafluoroisocyanato-, MFCD01863699, EINECS 216-470-7

Pentafluorophenyl isocyanate (CAS 1591-95-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7F5NO and a molecular weight of 209.07300 g/mol. It is also known as Perfluorophenyl isocyanate, Pentafluoroisocyanatobenzene and 1,2,3,4,5-pentafluoro-6-isocyanatobenzene. Key properties include a boiling point of 199ºC at 760mmHg, a density of 1.56g/cm3 and a flash point of 67.6ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1591-95-3
Jingsj CID
J-34346-0
Molecular Formula
C7F5NO
Chinese Name
五氟苯基异氰酸酯
Molecular Weight
209.07300 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point199ºC at 760mmHg
Density1.56g/cm3
Flash Point67.6ºC

GHS Safety & Compliance

Irritant / Health HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of Pentafluorophenyl isocyanate?

The CAS number of Pentafluorophenyl isocyanate is 1591-95-3.

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

Pentafluorophenyl isocyanate has molecular formula C7F5NO and molecular weight 209.07300 g/mol.

Is Pentafluorophenyl isocyanate hazardous?

Pentafluorophenyl isocyanate has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "Pentafluorophenyl isocyanate (CAS 1591-95-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34346-0 (accessed 2026-10-24).

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