Bis(3,5-dimethylphenyl)phosphine oxide
双(3,5-二甲基苯基)氧化膦
Also known as: (XYL)2P(O)H, bis(3,5-dimethylphenyl)phosphine oxide, bis(3,5-dimethylphenyl)phosphane oxide, Phosphine oxide, bis(3,5-dimethylphenyl)-, Bis(3,5-dimethylphenyl)phosphine oxide, 97%, Bis(3,5-dimethylphenyl)phosphine oxide, 98%
Bis(3,5-dimethylphenyl)phosphine oxide (CAS 187344-92-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C16H19OP and a molecular weight of 258.295 g/mol. It is also known as (XYL)2P(O)H, bis(3,5-dimethylphenyl)phosphine oxide and bis(3,5-dimethylphenyl)phosphane oxide. Key properties include a melting point of 82-84℃, a boiling point of 414.8±55.0 °C at 760 mmHg and a flash point of 204.7±31.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 187344-92-9
- Jingsj CID
- J-1098386-5
- Molecular Formula
- C16H19OP
- Chinese Name
- 双(3,5-二甲基苯基)氧化膦
- Molecular Weight
- 258.295 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 82-84℃ |
|---|---|
| Boiling Point | 414.8±55.0 °C at 760 mmHg |
| Flash Point | 204.7±31.5 °C |
Frequently Asked Questions
What is the CAS number of Bis(3,5-dimethylphenyl)phosphine oxide?
The CAS number of Bis(3,5-dimethylphenyl)phosphine oxide is 187344-92-9.
What are the molecular formula and molecular weight of Bis(3,5-dimethylphenyl)phosphine oxide?
Bis(3,5-dimethylphenyl)phosphine oxide has molecular formula C16H19OP and molecular weight 258.295 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Bis(3,5-dimethylphenyl)phosphine oxide (CAS 187344-92-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1098386-5 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.