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Chlorobis(3,5-bis(trifluoromethyl)phenyl)phosphine

Also known as: Bis(3,5-di(trifluoromethyl)phenyl)chlorophosphine, Bis[3,5-bis(trifluoromethyl)phenyl]chlorophosphine, Chlorobis[3,5-bis(trifluoromethyl)phenyl]phosphine, P,P-Bis[3,5-bis(trifluoromethyl)phenyl]phosphinous chloride, bis[3,5-bis(trifluoromethyl)phenyl]-chlorophosphane

Chlorobis(3,5-bis(trifluoromethyl)phenyl)phosphine (CAS 142421-57-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C16H6ClF12P and a molecular weight of 492.62600 g/mol. Key properties include a melting point of 25-29ºC, a boiling point of 333.2ºC at 760mmHg and a flash point of 155.3ºC. It is classified under GHS with signal word Danger and hazard statements H261 and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
142421-57-6
Jingsj CID
J-18571-7
Molecular Formula
C16H6ClF12P
Molecular Weight
492.62600 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point25-29ºC
Boiling Point333.2ºC at 760mmHg
Flash Point155.3ºC
Exact Mass491.97000
PSA13.59000
LogP7.34830
Appearanceliquid | colorless
Vapor Pressure0.000269mmHg at 25°C
Additional PropertyReacts with water.

GHS Safety & Compliance

Flammable / CorrosionSignal word: Danger
  • H261
  • H314 — Causes severe skin burns and eye damage

Frequently Asked Questions

What is the CAS number of Chlorobis(3,5-bis(trifluoromethyl)phenyl)phosphine?

The CAS number of Chlorobis(3,5-bis(trifluoromethyl)phenyl)phosphine is 142421-57-6.

What are the molecular formula and molecular weight of Chlorobis(3,5-bis(trifluoromethyl)phenyl)phosphine?

Chlorobis(3,5-bis(trifluoromethyl)phenyl)phosphine has molecular formula C16H6ClF12P and molecular weight 492.62600 g/mol.

Is Chlorobis(3,5-bis(trifluoromethyl)phenyl)phosphine hazardous?

Chlorobis(3,5-bis(trifluoromethyl)phenyl)phosphine has GHS signal word Danger and hazard statements H261; H314 — Causes severe skin burns and eye damage.

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

Last updated:

How to cite: Jingsj. "Chlorobis(3,5-bis(trifluoromethyl)phenyl)phosphine (CAS 142421-57-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18571-7 (accessed 2026-11-09).

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