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

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Physicochemical Properties

Melting Point122 °C
Boiling Point417ºC at 760mmHg
Density1.046g/cm3
Flash Point206ºC

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.