Bis(4-methoxyphenyl)phosphinic acid
双(4-甲氧基苯基)次膦酸
Also known as: Bis-(4-methoxy-phenyl)-phosphinsaeure, LABOTEST-BB LT00452953, MFCD00010226, Phosphinic acid, P,P-bis(4-methoxyphenyl)-, bis-p-methoxyphenylphosphinic acid, di(p-methoxyphenyl)phosphinic acid, di-p-anisylphosphinic acid
Bis(4-methoxyphenyl)phosphinic acid (CAS 20434-05-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H15O4P and a molecular weight of 278.24000 g/mol. It is also known as Bis-(4-methoxy-phenyl)-phosphinsaeure, LABOTEST-BB LT00452953 and MFCD00010226. Key properties include a melting point of 185-187ºC(lit.), a boiling point of 504.1ºC at 760 mmHg, a density of 1.27g/cm3 and a flash point of 258.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20434-05-3
- Jingsj CID
- J-10872-8
- Molecular Formula
- C14H15O4P
- Chinese Name
- 双(4-甲氧基苯基)次膦酸
- Molecular Weight
- 278.24000 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 185-187ºC(lit.) |
|---|---|
| Boiling Point | 504.1ºC at 760 mmHg |
| Density | 1.27g/cm3 |
| Flash Point | 258.7ºC |
Frequently Asked Questions
What is the CAS number of Bis(4-methoxyphenyl)phosphinic acid?
The CAS number of Bis(4-methoxyphenyl)phosphinic acid is 20434-05-3.
What are the molecular formula and molecular weight of Bis(4-methoxyphenyl)phosphinic acid?
Bis(4-methoxyphenyl)phosphinic acid has molecular formula C14H15O4P and molecular weight 278.24000 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Bis(4-methoxyphenyl)phosphinic acid (CAS 20434-05-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10872-8 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.