Methyl malonyl chloride
[CAS 37517-81-0]

Identification

• Classification: Chemical reagent >> Organic reagent >> Acid halide
• Name: Methyl malonyl chloride
• Synonyms: Methyl 3-chloro-3-oxopropionate
• Molecular Formula: C₄H₅ClO₃
• Molecular Weight: 136.53
• CAS Registry Number: 37517-81-0
• EC Number: 253-540-6

Properties

• Density: 1.273
• Boiling point: 57-59 °C (12 mmHg)
• Refractive index: 1.431-1.435
• Flash point: 80 °C

Safety Data

• Hazard Symbols: C
• Risk Statements: R34
• Safety Statements: S26;S36/37/39;S45

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin corrosion	Skin Corr.	1B	H314
Specific target organ toxicity - single exposure	STOT SE	3	H335
Serious eye damage	Eye Dam.	1	H318
Substances or mixtures corrosive to metals	Met. Corr.	1	H290

• Transport Information: UN 3265