4-Methyl-3-hexenoic acid
[CAS# 55665-79-7]

Identification

• Name: 4-Methyl-3-hexenoic acid
• Synonyms: 4-Ethyl-3-pentenoic acid
• Molecular Formula: C₇H₁₂O₂
• Molecular Weight: 128.17
• CAS Registry Number: 55665-79-7
• EC Number: 850-921-4

Properties

• Solubility: Sparingly soluble (12 g/L) (25 ºC), Calc.^*
• Density: 0.970±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Boiling point: 118 ºC (12 Torr)^**
• Refractive index: 1.4512 (589.3 nm 16.7 ºC)^**
• Flash point: 122.5±13.9 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2013 ACD/Labs)

^** Linstead, Reginald P.; Journal of the Chemical Society 1930, P2064-73.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Specific target organ toxicity - single exposure	STOT SE	3	H335
Skin irritation	Skin Irrit.	2	H315
Serious eye damage	Eye Dam.	1	H318