4-Hydroxy-4-methyl-2-pentanone
[CAS# 123-42-2]

Identification

• Classification: Organic raw materials >> Alcohols, phenols, phenolic compounds and derivatives >> 2-Cycloalcohol
• Name: 4-Hydroxy-4-methyl-2-pentanone
• Synonyms: Diacetone alcohol
• Molecular Formula: C₆H₁₂O₂
• Molecular Weight: 116.16
• CAS Registry Number: 123-42-2
• EC Number: 204-626-7

Properties

• Density: 0.938
• Melting point: -42.8 °C
• Boiling point: 166 °C
• Refractive index: 1.4223-1.4243
• Flash point: 58 °C
• Water solubility: MISCIBLE

Safety Data

• Hazard Symbols: GHS07 Warning
• Risk Statements: H319
• Safety Statements: S24/25

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Flammable liquids	Flam. Liq.	3	H226
Specific target organ toxicity - single exposure	STOT SE	3	H335
Reproductive toxicity	Repr.	2	H361d
Reproductive toxicity	Repr.	2	H361
Reproductive toxicity	Repr.	2	H361f
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H336
Flammable liquids	Flam. Liq.	2	H225
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Specific target organ toxicity - repeated exposure	STOT RE	1	H372
Serious eye damage	Eye Dam.	1	H318
Specific target organ toxicity - single exposure	STOT SE	1	H370

• Transport Information: UN 1148