Diphenylphosphine
Also known as: diphenylphosphine, diphenylphosphane, Phosphine, diphenyl-, Diphenylphosphin, DPP
Diphenylphosphine (CAS 829-85-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H11P and a molecular weight of 186.189 g/mol. Key properties include a melting point of 65-67ºC (338-340 K), a boiling point of 275.0±13.0 °C at 760 mmHg, a density of 1.07 g/mL at 25 °C(lit.) and a flash point of 120.1±19.8 °C. It is classified under GHS with signal word Danger and hazard statements H250, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 829-85-6
- Jingsj CID
- J-30136-3
- Molecular Formula
- C12H11P
- Molecular Weight
- 186.189 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 65-67ºC (338-340 K) |
|---|---|
| Boiling Point | 275.0±13.0 °C at 760 mmHg |
| Density | 1.07 g/mL at 25 °C(lit.) |
| Flash Point | 120.1±19.8 °C |
| Exact Mass | 186.059830 |
| PSA | 13.59000 |
| LogP | 2.31590 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | n20/D 1.625(lit.) |
GHS Safety & Compliance
- H250
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2902909090 |
|---|---|
| Summary | 2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Diphenylphosphine?
The CAS number of Diphenylphosphine is 829-85-6.
What are the molecular formula and molecular weight of Diphenylphosphine?
Diphenylphosphine has molecular formula C12H11P and molecular weight 186.189 g/mol.
Is Diphenylphosphine hazardous?
Diphenylphosphine has GHS signal word Danger and hazard statements H250; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Diphenylphosphine?
For Diphenylphosphine, Upstream Products: Tetraphenyldiphosphine, Chlorodiphenylphosphine, Manganese; Downstream Products: 2,2-dimethylpropane, (1S,2S)-2-Amino-1-phenylpropyldiphenylphosphine, (4-Hydroxyphenyl)diphenylphosphine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diphenylphosphine (CAS 829-85-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30136-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.