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Tricyclohexylphosphine

Also known as: PCy3, Tricyclohexylphosphane, Triscyclohexylphosphine, Phosphine, tricyclohexyl-

Tricyclohexylphosphine (CAS 2622-14-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C18H33P and a molecular weight of 280.428 g/mol. Key properties include a melting point of 81-83 °C(lit.), a boiling point of 383.4±9.0 °C at 760 mmHg, a density of 0.909 g/mL at 25 °C and a flash point of 195.6±25.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H304 and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2622-14-2
Jingsj CID
J-42633-5
Molecular Formula
C18H33P
Molecular Weight
280.428 g/mol
Category
Organic Compounds
Last updated
8/21/2026
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Physicochemical Properties

Melting Point81-83 °C(lit.)
Boiling Point383.4±9.0 °C at 760 mmHg
Density0.909 g/mL at 25 °C
Flash Point195.6±25.0 °C
Exact Mass280.231995
PSA13.59000
LogP7.00
Vapor Pressure0.0±0.8 mmHg at 25°C

GHS Safety & Compliance

Flammable / Irritant / Health HazardSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H304
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation
  • H336 — May cause drowsiness or dizziness
  • H373 — May cause damage to organs through prolonged exposure

Customs & Trade Information

HS Code2931900090
Summary2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Tricyclohexylphosphine?

The CAS number of Tricyclohexylphosphine is 2622-14-2.

What are the molecular formula and molecular weight of Tricyclohexylphosphine?

Tricyclohexylphosphine has molecular formula C18H33P and molecular weight 280.428 g/mol.

Is Tricyclohexylphosphine hazardous?

Tricyclohexylphosphine has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H304; H315 — Causes skin irritation.

What are the upstream and downstream products of Tricyclohexylphosphine?

For Tricyclohexylphosphine, Upstream Products: Tricyclohexylphosphine oxide, Triphenylphosphine, Cyclohexanol; Downstream Products: Bis(tricyclohexylphosphine)palladium(0), 1,2,3,4,5-Pentaphenyl-1'-(di-tert-butylphosphino)ferrocene, sodium chloride.

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

Last updated:

How to cite: Jingsj. "Tricyclohexylphosphine (CAS 2622-14-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42633-5 (accessed 2026-11-09).

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