3-Methyl-1-butanol
[CAS# 123-51-3]

Identification

• Classification: Organic raw materials >> Alcohols, phenols, phenolic compounds and derivatives >> Acyclic alcohol
• Name: 3-Methyl-1-butanol
• Synonyms: 1-Hydroxy-3-methylbutane; Isoamyl alcohol; Isopentyl alcohol
• Molecular Formula: C₅H₁₂O
• Molecular Weight: 88.15
• CAS Registry Number: 123-51-3
• EC Number: 204-633-5
• FEMA: 2057

Properties

• Density: 0.809
• Melting point: -117 °C
• Boiling point: 130 °C
• Refractive index: 1.405-1.407
• Flash point: 43 °C
• Water solubility: 25 g/L (20 °C)

Safety Data

• Hazard Symbols: Xn
• Risk Statements: R10;R20/22
• Safety Statements: S16

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	3	H226
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H332
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	4	H302
Serious eye damage	Eye Dam.	1	H318
Specific target organ toxicity - single exposure	STOT SE	3	H336
Eye irritation	Eye Irrit.	2	H318
Eye irritation	Eye Irrit.	2A	H319
Skin irritation	Skin Irrit.	2	H314
Specific target organ toxicity - single exposure	STOT SE	1	H370
Flammable liquids	Flam. Liq.	4	H226

• Transport Information: UN 1201; UN 1105