Diphenyl(o-tolyl)phosphine
Also known as: (2-Methylphenyl)(diphenyl)phosphine, (2-methylphenyl)-diphenylphosphane, (o-Methylphenyl)diphenylphosphine, DIPHENYL(O-TOLYL)PHOSPHINE, DIPHENYL-2-TOLYLPHOSPHINE, Diphenyl 2-methylphenylphosphine, Diphenyl(2-methylphenyl)phosphine, Diphenyl(o-tolyl), EINECS 227-675-6, MFCD00008515, Phosphine, (2-methylphenyl)diphenyl-
Diphenyl(o-tolyl)phosphine (CAS 5931-53-3) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C19H17P and a molecular weight of 276.312 g/mol. Key properties include a melting point of 70-73ºC(lit.), a boiling point of 378.3±21.0 °C at 760 mmHg and a flash point of 192.2±28.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5931-53-3
- Jingsj CID
- J-1087943-3
- Molecular Formula
- C19H17P
- Molecular Weight
- 276.312 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 70-73ºC(lit.) |
|---|---|
| Boiling Point | 378.3±21.0 °C at 760 mmHg |
| Flash Point | 192.2±28.3 °C |
| Exact Mass | 276.106781 |
| PSA | 13.59000 |
| LogP | 6.15 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
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 Diphenyl(o-tolyl)phosphine?
The CAS number of Diphenyl(o-tolyl)phosphine is 5931-53-3.
What are the molecular formula and molecular weight of Diphenyl(o-tolyl)phosphine?
Diphenyl(o-tolyl)phosphine has molecular formula C19H17P and molecular weight 276.312 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diphenyl(o-tolyl)phosphine (CAS 5931-53-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1087943-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.