Methyl 3-oxocyclopentanecarboxylate
[CAS# 32811-75-9]

Identification

• Name: Methyl 3-oxocyclopentanecarboxylate
• Molecular Formula: C₇H₁₀O₃
• Molecular Weight: 142.15
• CAS Registry Number: 32811-75-9
• EC Number: 640-583-4

Properties

• Solubility: Soluble (34 g/L) (25 ºC), Calc.^*
• Density: 1.157±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Boiling point: 130-140 ºC (10 Torr)^**
• Refractive index: 1.4565 (589.3 nm 23 ºC)^***
• Flash point: 84.0±25.4 ºC, Calc.^*

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

^** Komppa, Gust.; Ann: Acad. Sci. Fennicae, Ser. 1941, VA58(No. 2), P3-6.

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

Safety Data

• Hazard Symbols: Xn
• Risk Codes: R22;R41;R52
• Safety Description: S26;S39

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Serious eye damage	Eye Dam.	1	H318
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Flammable liquids	Flam. Liq.	4	H227
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2A	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335

• Transport Information: UN 3082 9 / PGIII