Tris(4-methylphenyl) phosphite
亚磷酸三对甲苯酯
Also known as: Tri-p-tolyl phosphite, Phosphorous acid, tris(4-methylphenyl) ester, Tri-p-cresyl phosphite, Phosphorous acid tri-p-cresyl ester, Phosphorous acid tri-p-tolyl ester, Tris(4-methylphenoxy)phosphine, NSC 4054
Tris(4-methylphenyl) phosphite (CAS 620-42-8) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C21H21O3P and a molecular weight of 352.36300 g/mol. It is also known as Tri-p-tolyl phosphite, Phosphorous acid, tris(4-methylphenyl) ester and Tri-p-cresyl phosphite. Key properties include a melting point of 52°C, a boiling point of 238ºC (7 mmHg), a density of 1.11 and a flash point of 93ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 620-42-8
- Jingsj CID
- J-886732-4
- Molecular Formula
- C21H21O3P
- Chinese Name
- 亚磷酸三对甲苯酯
- Molecular Weight
- 352.36300 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 52°C |
|---|---|
| Boiling Point | 238ºC (7 mmHg) |
| Density | 1.11 |
| Flash Point | 93ºC |
Frequently Asked Questions
What is the CAS number of Tris(4-methylphenyl) phosphite?
The CAS number of Tris(4-methylphenyl) phosphite is 620-42-8.
What are the molecular formula and molecular weight of Tris(4-methylphenyl) phosphite?
Tris(4-methylphenyl) phosphite has molecular formula C21H21O3P and molecular weight 352.36300 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tris(4-methylphenyl) phosphite (CAS 620-42-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-886732-4 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.