Diethyl methylenemalonate
[CAS# 3377-20-6]

Identification

• Name: Diethyl methylenemalonate
• Synonyms: 2-Methylene diethyl malonate; Diethyl methylenemalonate; Ethyl methylenemalonate; Methylene diethylmalonate; NSC 18901
• Molecular Formula: C₈H₁₂O₄
• Molecular Weight: 172.18
• CAS Registry Number: 3377-20-6
• EC Number: 815-045-9

Properties

• Solubility: Sparingly soluble (11 g/L) (25 ºC), Calc.^*
• Density: 1.056 g/cm³ (25 ºC)^**
• Melting point: 135.5-136.5 ºC (ethanol )^***
• Boiling point: 210 ºC^****
• Refractive index: 1.5308 (589.3 nm 25 ºC)^*****
• Flash point: 73.0±18.2 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2016 ACD/Labs)

^** Takagi, Yukio; Kogyo Kagaku Zasshi 1953, V56, P901-3.

^*** Eberson, Lennart; Acta Chemica Scandinavica 1956, V10, P633-7.

^**** Bachman, G. B.; Journal of Organic Chemistry 1939, V4, P493-501.

^***** Zimmerman, Howard E.; Journal of the American Chemical Society 1956, V78, P6259-65.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Serious eye damage	Eye Dam.	1	H318
Skin sensitization	Skin Sens.	1	H317
Skin corrosion	Skin Corr.	1	H314
Acute toxicity	Acute Tox.	4	H302