(Phenylmethylene)propanedioic acid diethyl ester
[CAS# 5292-53-5]

Identification

• Classification: Chemical reagent >> Organic reagent >> Ester >> Ethyl ester compound
• Name: (Phenylmethylene)propanedioic acid diethyl ester
• Synonyms: Diethyl benzylidenemalonate; Diethyl benzylidenepropanedioate; Ethyl benzylidenemalonate; NSC 1272; beta,beta-Diethoxycarbonylstyrene
• Molecular Formula: C₁₄H₁₆O₄
• Molecular Weight: 248.27
• CAS Registry Number: 5292-53-5
• EC Number: 226-137-8

Properties

• Solubility: Very slightly soluble (0.32 g/L) (25 ºC), Calc.^*
• Density: 1.1049 g/cm³ (18.5 ºC)^**
• Melting point: 158-161 ºC^***
• Refractive index: 1.5385 (20 ºC)^****

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2018 ACD/Labs)

^** Vogel, Israel; Journal of the Chemical Society 1928, P2010-32.

^*** Shao, Guo-qiang; Hecheng Huaxue 2003, V11(5), P440-442.

^**** Kirilov, M.; Izvestiya po Khimiya 1975, V8(1), P59-69.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Eye irritation	Eye Irrit.	2	H319
Acute toxicity	Acute Tox.	4	H312
Acute toxicity	Acute Tox.	4	H332