Diethyl 3,5-di-tert-butyl-4-hydroxybenzyl phosphonate
抗氧剂1222
Also known as: Diethyl (3,5-di-tert-butyl-4-hydroxybenzyl)phosphonate, Diethyl 4-hydroxy-3,5-di-tert-butylbenzylphosphonate, Phosphonic acid, [[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]-, diethyl ester, [[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]-phosphonic acid diethyl ester, O,O-diethyl (3,5-ditert-butyl-4-hydroxybenzyl)phosphonate, EINECS 213-551-9, MFCD00227871
Diethyl 3,5-di-tert-butyl-4-hydroxybenzyl phosphonate (CAS 976-56-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C19H33O4P and a molecular weight of 356.43700 g/mol. It is also known as Diethyl (3,5-di-tert-butyl-4-hydroxybenzyl)phosphonate, Diethyl 4-hydroxy-3,5-di-tert-butylbenzylphosphonate and Phosphonic acid, [[3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl]methyl]-, diethyl ester. Key properties include a melting point of 122 °C, a boiling point of 417ºC at 760mmHg, a density of 1.046g/cm3 and a flash point of 206ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 976-56-7
- Jingsj CID
- J-11660-4
- Molecular Formula
- C19H33O4P
- Chinese Name
- 抗氧剂1222
- Molecular Weight
- 356.43700 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 122 °C |
|---|---|
| Boiling Point | 417ºC at 760mmHg |
| Density | 1.046g/cm3 |
| Flash Point | 206ºC |
Frequently Asked Questions
What is the CAS number of Diethyl 3,5-di-tert-butyl-4-hydroxybenzyl phosphonate?
The CAS number of Diethyl 3,5-di-tert-butyl-4-hydroxybenzyl phosphonate is 976-56-7.
What are the molecular formula and molecular weight of Diethyl 3,5-di-tert-butyl-4-hydroxybenzyl phosphonate?
Diethyl 3,5-di-tert-butyl-4-hydroxybenzyl phosphonate has molecular formula C19H33O4P and molecular weight 356.43700 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Diethyl 3,5-di-tert-butyl-4-hydroxybenzyl phosphonate (CAS 976-56-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11660-4 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.