2-Methyl-4-pentenoic acid
[CAS 1575-74-2]

Identification

• Classification: Chemical reagent >> Organic reagent >> Fatty acid
• Name: 2-Methyl-4-pentenoic acid
• Molecular Formula: C₆H₁₀O₂
• Molecular Weight: 114.14
• CAS Registry Number: 1575-74-2
• EC Number: 216-404-7
• FEMA: 3511

Properties

• Density: 0.949
• Boiling point: 195 °C
• Refractive index: 1.43

Safety Data

• Hazard Symbols: C
• Risk Statements: R22;R34
• Safety Statements: S26;S36/37/39;S45

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin corrosion	Skin Corr.	1B	H314
Acute toxicity	Acute Tox.	4	H302
Serious eye damage	Eye Dam.	1	H318
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin corrosion	Skin Corr.	1C	H314
Substances or mixtures corrosive to metals	Met. Corr.	1	H290

• Transport Information: UN 3265