Tetrakis(2,4-di-tert-butylphenyl)-4,4'-biphenyldiphosphonite
四(2,4-二叔丁基酚)-4,4'-联苯基二亚磷酸酯
Also known as: IRGAFOS P-EPQ, Hostanox P-EPQ, Songnox PQ, Antioxidant P-EPQ, Ciba SC Irgafos P-EPQ, Phosphorous trichloride, reaction products with 1,1'-biphenyl and 2,4-bis(1,1-dimethylethyl)phenol
Tetrakis(2,4-di-tert-butylphenyl)-4,4'-biphenyldiphosphonite (CAS 119345-01-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C68H92O4P2 and a molecular weight of 1035.40000 g/mol. It is also known as IRGAFOS P-EPQ, Hostanox P-EPQ and Songnox PQ. Key properties include a melting point of 93-99ºC(lit.), a boiling point of 854.2ºC at 760 mmHg and a flash point of 597.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 119345-01-6
- Jingsj CID
- J-41237-7
- Molecular Formula
- C68H92O4P2
- Chinese Name
- 四(2,4-二叔丁基酚)-4,4'-联苯基二亚磷酸酯
- Molecular Weight
- 1035.40000 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 93-99ºC(lit.) |
|---|---|
| Boiling Point | 854.2ºC at 760 mmHg |
| Flash Point | 597.4ºC |
Frequently Asked Questions
What is the CAS number of Tetrakis(2,4-di-tert-butylphenyl)-4,4'-biphenyldiphosphonite?
The CAS number of Tetrakis(2,4-di-tert-butylphenyl)-4,4'-biphenyldiphosphonite is 119345-01-6.
What are the molecular formula and molecular weight of Tetrakis(2,4-di-tert-butylphenyl)-4,4'-biphenyldiphosphonite?
Tetrakis(2,4-di-tert-butylphenyl)-4,4'-biphenyldiphosphonite has molecular formula C68H92O4P2 and molecular weight 1035.40000 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tetrakis(2,4-di-tert-butylphenyl)-4,4'-biphenyldiphosphonite (CAS 119345-01-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-41237-7 (accessed 2026-10-23).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.