3-Methyl-3-buten-2-one
[CAS# 814-78-8]

Identification

• Name: 3-Methyl-3-buten-2-one
• Synonyms: Isopropenyl methyl ketone
• Molecular Formula: C₅H₈O
• Molecular Weight: 84.12
• CAS Registry Number: 814-78-8
• EC Number: 212-405-1

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Flammable liquids	Flam. Liq.	2	H225
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	3	H301
Acute toxicity	Acute Tox.	2	H330
Acute toxicity	Acute Tox.	3	H311
Acute toxicity	Acute Tox.	1	H310
Acute toxicity	Acute Tox.	2	H310
Acute toxicity	Acute Tox.	2	H300
Specific target organ toxicity - single exposure	STOT SE	1	H370
Specific target organ toxicity - repeated exposure	STOT RE	1	H372
Acute toxicity	Acute Tox.	1	H330