Methyl (triphenylphosphoranylidene)acetate

甲氧甲酰基亚甲基三苯基膦

Also known as: Methyl 2-(triphenylphosphoranylidene)acetate, Methyl triphenylphosphoranylideneacetate, Triphenyl(carbomethoxymethylene)phosphorane, Methoxycarbonylmethylene triphenylphosphorane, Carbomethoxymethylene triphenylphosphorane, (2-Methoxy-2-oxoethylidene)triphenylphosphorane, (Triphenylphosphoranylidene)acetic acid methyl ester, Acetic acid, (triphenylphosphoranylidene)-, methyl ester, AURORA KA-874, NSC 117573, NSC 407395, [(Methoxycarbonyl)methylene]triphenylphosphorane, methyl 2-(triphenyl-λ5-phosphanylidene)acetate

Methyl (triphenylphosphoranylidene)acetate (CAS 2605-67-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C21H19O2P and a molecular weight of 334.35 g/mol. It is also known as Methyl 2-(triphenylphosphoranylidene)acetate, Methyl triphenylphosphoranylideneacetate and Triphenyl(carbomethoxymethylene)phosphorane. Key properties include a melting point of 168-172 °C(lit.), a boiling point of 479.1±28.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 256.8±44.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2605-67-6
Jingsj CID
J-48630-1
Molecular Formula
C21H19O2P
Chinese Name
甲氧甲酰基亚甲基三苯基膦
Molecular Weight
334.35 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point168-172 °C(lit.)
Boiling Point479.1±28.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point256.8±44.3 °C

Frequently Asked Questions

What is the CAS number of Methyl (triphenylphosphoranylidene)acetate?

The CAS number of Methyl (triphenylphosphoranylidene)acetate is 2605-67-6.

What are the molecular formula and molecular weight of Methyl (triphenylphosphoranylidene)acetate?

Methyl (triphenylphosphoranylidene)acetate has molecular formula C21H19O2P and molecular weight 334.35 g/mol.

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

Last updated:

How to cite: Jingsj. "Methyl (triphenylphosphoranylidene)acetate (CAS 2605-67-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48630-1 (accessed 2026-10-24).

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