4-Methyl-2-pentenoic acid
[CAS# 10321-71-8]

Identification

• Classification: Chemical reagent >> Organic reagent >> Fatty acid
• Name: 4-Methyl-2-pentenoic acid
• Synonyms: 4,4-Dimethyl-2-butenoic acid; 4-Methylpent-2-en-1-oic acid
• Molecular Formula: C₆H₁₀O₂
• Molecular Weight: 114.14
• CAS Registry Number: 10321-71-8
• EC Number: 233-706-4

Properties

• Solubility: Slightly soluble (5.4 g/L) (25 ºC), Calc.^*
• Density: 0.9589 g/cm³ (16 ºC)^**
• Melting point: 100.5-101.0 ºC (ligroine )^***
• Boiling point: 217 ºC^****
• Refractive index: 1.46689^**
• Flash point: 106.0±9.6 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2017 ACD/Labs)

^** v. Auwers, K.; Justus Liebigs Annalen der Chemie 1923, V432, P46-84.

^*** Hewett, Colin L.; GB 776830 1957.

^**** "PhysProp" data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin corrosion	Skin Corr.	1B	H314
Serious eye damage	Eye Dam.	1	H318
Substances or mixtures corrosive to metals	Met. Corr.	1	H290
Skin corrosion	Skin Corr.	1C	H314