Phenylphosphine
Also known as: Phosphine, phenyl-, Monophenylphosphine, phenylphosphane, Phenylphosphine
Phenylphosphine (CAS 638-21-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H7P and a molecular weight of 110.093 g/mol. Key properties include a boiling point of 160.5±9.0 °C at 760 mmHg, a density of 1.001 and a flash point of 73.9±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H250 and H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 638-21-1
- Jingsj CID
- J-15142-3
- Molecular Formula
- C6H7P
- Molecular Weight
- 110.093 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 160.5±9.0 °C at 760 mmHg |
|---|---|
| Density | 1.001 |
| Flash Point | 73.9±0.0 °C |
| Exact Mass | 110.028534 |
| PSA | 13.59000 |
| LogP | 1.18700 |
| Vapor Pressure | 3.1±0.3 mmHg at 25°C |
| Refractive Index | 1.578 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H250
- H302 — Harmful if swallowed
- H304
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H336 — May cause drowsiness or dizziness
- H373 — May cause damage to organs through prolonged exposure
- H411 — Toxic to aquatic life with long lasting effects
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 Phenylphosphine?
The CAS number of Phenylphosphine is 638-21-1.
What are the molecular formula and molecular weight of Phenylphosphine?
Phenylphosphine has molecular formula C6H7P and molecular weight 110.093 g/mol.
Is Phenylphosphine hazardous?
Phenylphosphine has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H250; H302 — Harmful if swallowed.
What are the upstream and downstream products of Phenylphosphine?
For Phenylphosphine, Upstream Products: Dichlorophenylphosphine, Iodobenzene, Diethyl phenylphosphonate; Downstream Products: Bis(hydroxymethyl)phenylphosphine, Phenylphosphinic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Phenylphosphine (CAS 638-21-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15142-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.