Methyl methacrylate
[CAS 80-62-6]

Identification

• Classification: Organic raw materials >> Carboxylic compounds and derivatives >> Carboxylic esters and their derivatives
• Name: Methyl methacrylate
• Synonyms: 2-Methylacrylic acid methyl ester; MMA
• Molecular Formula: C₅H₈O₂
• Molecular Weight: 100.12
• CAS Registry Number: 80-62-6
• EC Number: 201-297-1

Properties

• Density: 0.943
• Melting point: -48 °C
• Boiling point: 100 °C
• Refractive index: 1.413-1.415
• Flash point: 8 °C
• Water solubility: 15.9 g/L (20 °C)

Safety Data

• Hazard Symbols: GHS02;GHS07 Danger
• Risk Statements: H225-H335-H315-H317
• Safety Statements: S24;S37;S46

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	2	H225
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin sensitization	Skin Sens.	1	H317
Skin sensitization	Skin Sens.	1B	H317
Acute hazardous to the aquatic environment	Aquatic Acute	3	H402
Acute toxicity	Acute Tox.	5	H333
Specific target organ toxicity - single exposure	STOT SE	3	H370
Eye irritation	Eye Irrit.	2	H319
Respiratory sensitization	Resp. Sens.	1	H334
Reproductive toxicity	Repr.	2	H361
Acute toxicity	Acute Tox.	4	H302
Specific target organ toxicity - repeated exposure	STOT RE	1	H372
Acute toxicity	Acute Tox.	3	H301
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412

• Transport Information: UN 1247