Diethyl (2-methylbenzyl)phosphonate

(2-甲基苄基)膦酸二乙酯

Also known as: (2-Methylbenzyl)phosphonic acid diethyl ester, 1-(Diethoxyphosphorylmethyl)-2-methylbenzene, 2-(Diethylphosphonomethyl)toluene, Diethyl (o-methylbenzyl)phosphonate, [(2-Methylphenyl)methyl]phosphonic acid diethyl ester, DIETHYL (2-METHYLBENZYL)PHOSPHONATE, Diethyl(2-methylbenzyl)phosphonate, 98 %, MFCD00015129, (2-Methylbenzyl)-phosphonic acid diethyl ester

Diethyl (2-methylbenzyl)phosphonate (CAS 62778-16-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H19O3P and a molecular weight of 242.25100 g/mol. It is also known as (2-Methylbenzyl)phosphonic acid diethyl ester, 1-(Diethoxyphosphorylmethyl)-2-methylbenzene and 2-(Diethylphosphonomethyl)toluene. Key properties include a boiling point of 122°C 0,01mm, a density of 1.09 and a flash point of 175.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
62778-16-9
Jingsj CID
J-32582-0
Molecular Formula
C12H19O3P
Chinese Name
(2-甲基苄基)膦酸二乙酯
Molecular Weight
242.25100 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point122°C 0,01mm
Density1.09
Flash Point175.1ºC

Frequently Asked Questions

What is the CAS number of Diethyl (2-methylbenzyl)phosphonate?

The CAS number of Diethyl (2-methylbenzyl)phosphonate is 62778-16-9.

What are the molecular formula and molecular weight of Diethyl (2-methylbenzyl)phosphonate?

Diethyl (2-methylbenzyl)phosphonate has molecular formula C12H19O3P and molecular weight 242.25100 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Diethyl (2-methylbenzyl)phosphonate (CAS 62778-16-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32582-0 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.