CAS 87-13-8 Diethyl Ethoxymethylenemalate
Ethoxymethylene CAS 87-13-8, also known as ethoxymethylene malonate diethyl ester, is a colorless and transparent viscous liquid. It is an important pharmaceutical intermediate widely used in the synthesis of pharmaceuticals, pesticides, and additives. It is an intermediate for the production of chloroquine, norfloxacin, and lomefloxacin.
Chinese name: Ethoxymethylene
Foreign name: Diethyl Ethoxymethylenemalate
Alias: EMME; Ethoxymethylene malonate diethyl ester; Ethoxymethylene malonate diethyl ester
Chemical formula: C10H16O5
Molecular weight: 216.23
CAS login number: 87-13-8
EINECS login number: 201-725-7
Boiling point: 279-281 ℃
Water solubility: insoluble in water
Density: 1.07 (relative to water)
Appearance: Colorless transparent viscous liquid
Flash point: 155 ℃
Application: Containing various active groups, capable of condensation and cyclization condensation, mainly used for synthesizing norfloxacin.
Purpose
An important organic raw material containing multiple active groups in a molecule, which can undergo condensation and cyclization condensation with various substances. It is widely used in the synthesis of pharmaceuticals, pesticides, and additives, and is an intermediate in the production of chloroquine, norfloxacin, and lomefloxacin.
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