2-Hydroxy-4-pentenoic acid
[CAS# 67951-43-3]

Identification

• Name: 2-Hydroxy-4-pentenoic acid
• Molecular Formula: C₅H₈O₃
• Molecular Weight: 116.12
• CAS Registry Number: 67951-43-3
• EC Number: 809-794-0

Properties

• Solubility: Freely soluble (185 g/L) (25 ºC), Calc.^*
• Density: 1.176±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 37 ºC (ethyl ether ligroine )^**
• Boiling point: 268.8±20.0 ºC (760 Torr), Calc.^*
• Refractive index: 1.4117 (589.3 nm 20 ºC)^***
• Flash point: 130.6±18.3 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** D'yakonov, I. A.; Zhurnal Obshchei Khimii 1951, V21, P851-60.

^*** Buchner, Karl; DE 1024496 1958.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315