2-Methyl-4-oxo-2-cyclohexene-1-carboxylic acid ethyl ester
[CAS# 487-51-4]

Identification

• Name: 2-Methyl-4-oxo-2-cyclohexene-1-carboxylic acid ethyl ester
• Synonyms: Ethyl 4-oxo-2-methyl-2-cyclohexenecarboxylate; Hagemann's ester; NSC 60294
• Molecular Formula: C₁₀H₁₄O₃
• Molecular Weight: 182.22
• CAS Registry Number: 487-51-4
• EC Number: 207-657-4

Properties

• Solubility: Slightly soluble (4 g/L) (25 ºC), Calc.^*
• Density: 1.078 g/cm³ (20 ºC)^**
• Boiling point: 160-165 ºC (35 Torr)^***
• Refractive index: 1.4890 (20 ºC)^****
• Flash point: 115.6±27.4 ºC, Calc.^*

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

^** Thiele, Eberhard; DD 49831 1966.

^*** Bergmann, Ernst; Journal of Organic Chemistry 1939, V4, P266-9.

^**** Khachatryan, D. S.; Armyanskii Khimicheskii Zhurnal 1980, V33(10), P850-5.

Safety Data

Hazard Classification

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