Monoethyl maleate
[CAS# 3990-03-2]

Identification

• Classification: Organic raw materials >> Carboxylic compounds and derivatives >> Carboxylic esters and their derivatives
• Name: Monoethyl maleate
• Synonyms: Ethyl hydrogen maleate; Maleic acid monoethyl ester; (Z)-2-Butenedioic acid monoethyl ester
• Molecular Formula: C₆H₈O₄
• Molecular Weight: 144.12
• CAS Registry Number: 3990-03-2
• EC Number: 223-635-7

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Serious eye damage	Eye Dam.	1	H318
Acute toxicity	Acute Tox.	4	H302
Acute toxicity	Acute Tox.	2	H330