4-Oxo-2-cyclopenten-1-ol
[CAS# 61305-27-9]

Identification

• Name: 4-Oxo-2-cyclopenten-1-ol
• Synonyms: (±)-4-Hydroxy-2-cyclopentenone; 4-Hydroxy-2-cyclopenten-1-one; 4-Hydroxycyclopent-2-enone
• Molecular Formula: C₅H₆O₂
• Molecular Weight: 98.10
• CAS Registry Number: 61305-27-9
• EC Number: 623-328-1

Properties

• Solubility: Freely soluble (153 g/L) (25 °C), Calc.^*
• Density: 1.299±0.06 g/cm³ (20 °C 760 Torr), Calc.^*
• Boiling point: 243.7±39.0 °C (760 Torr), Calc.^*
• Flash point: 99.9±19.7 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2015 ACD/Labs)

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Acute toxicity	Acute Tox.	4	H302
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2A	H319
Skin irritation	Skin Irrit.	2	H315