Diethyl (4-methylbenzyl)phosphonate

4-甲基苄基膦酸二乙酯

Also known as: Diethyl 4-methylbenzylphosphonate, (4-Methylbenzyl)phosphonic acid diethyl ester, Diethyl p-tolylmethylphosphonate, Phosphonic acid, [(4-methylphenyl)methyl]-, diethyl ester, [(4-Methylphenyl)methyl]phosphonic acid diethyl ester, 1-(diethoxyphosphorylmethyl)-4-methylbenzene, (p-Methylbenzyl)phosphonic acid diethyl ester, Diethyl (p-methylbenzyl)phosphonate

CAS No.
3762-25-2
Jingsj CID
J-42520-3
Molecular Formula
C12H19O3P
Chinese Name
4-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 Point110 °C0.2 mm Hg(lit.)
Density1.07 g/mL at 25 °C(lit.)
Flash Point230 °F

Frequently Asked Questions

What is the CAS number of Diethyl (4-methylbenzyl)phosphonate?

3762-25-2

What are the molecular formula and molecular weight of Diethyl (4-methylbenzyl)phosphonate?

C12H19O3P, molecular weight 242.25100 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026