Dicyclohexylphosphine
Also known as: dicyclohexylphosphane, Bis(cyclohexyl)phosphine, Cy2PH, Dicyclohexylphosphine (10% wt. in hexane), Phosphine, dicyclohexyl-
Dicyclohexylphosphine (CAS 829-84-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C12H23P and a molecular weight of 198.285 g/mol. Key properties include a boiling point of 289.8±7.0 °C at 760 mmHg, a density of 0.98 g/cm3 and a flash point of 129.1±18.2 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H250 and H301 — Toxic if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 829-84-5
- Jingsj CID
- J-14192-4
- Molecular Formula
- C12H23P
- Molecular Weight
- 198.285 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 289.8±7.0 °C at 760 mmHg |
|---|---|
| Density | 0.98 g/cm3 |
| Flash Point | 129.1±18.2 °C |
| Exact Mass | 198.153732 |
| PSA | 13.59000 |
| LogP | 4.33030 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | n 20/D 1.516 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H250
- H301 — Toxic if swallowed
- H311 — Toxic in contact with skin
- H331 — Toxic if inhaled
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. 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 Dicyclohexylphosphine?
The CAS number of Dicyclohexylphosphine is 829-84-5.
What are the molecular formula and molecular weight of Dicyclohexylphosphine?
Dicyclohexylphosphine has molecular formula C12H23P and molecular weight 198.285 g/mol.
Is Dicyclohexylphosphine hazardous?
Dicyclohexylphosphine has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H250; H301 — Toxic if swallowed.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dicyclohexylphosphine (CAS 829-84-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14192-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.