2-Oxopyrrolidine-4-carboxylic acid
[CAS# 7268-43-1]

Identification

• Name: 2-Oxopyrrolidine-4-carboxylic acid
• Synonyms: 4-Carboxy-2-pyrrolidinone; 5-Oxopyrrolidine-3-carboxylic acid; DL-2-Pyrrolidone-4-carboxylic acid
• Molecular Formula: C₅H₇NO₃
• Molecular Weight: 129.11
• CAS Registry Number: 7268-43-1
• EC Number: 816-667-3

Properties

• Solubility: Freely soluble (110 g/L) (25 °C), Calc.^*
• Density: 1.380±0.06 g/cm³ (20 °C 760 Torr), Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2013 ACD/Labs)

Safety Data

Hazard Classification

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