3-Oxocyclopentanecarboxylic acid ethyl ester
[CAS# 5400-79-3]

Identification

• Name: 3-Oxocyclopentanecarboxylic acid ethyl ester
• Synonyms: Ethyl 3-oxocyclopentane-1-carboxylate; Ethyl 3-oxocyclopentanecarboxylate; NSC 10387
• Molecular Formula: C₈H₁₂O₃
• Molecular Weight: 156.18
• CAS Registry Number: 5400-79-3
• EC Number: 809-423-2

Properties

• Solubility: Sparingly soluble (15 g/L) (25 ºC), Calc.^*
• Density: 1.120±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Boiling point: 127-128 ºC (20 Torr)^**
• Refractive index: 1.4518 (589.3 nm 22 ºC)^***
• Flash point: 93.4±25.4 ºC, Calc.^*

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

^** Toki, Katsuyuki; Bulletin of the Chemical Society of Japan 1959, V32, P233-5.

^*** Noyce, Donald S.; Journal of Organic Chemistry 1959, V24, P715-17.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Serious eye damage	Eye Dam.	1	H318
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H302