1-Methyl-2-imidazolidinone
[CAS# 694-32-6]

Identification

• Name: 1-Methyl-2-imidazolidinone
• Synonyms: 1-Methyl-2-imidazolidone; 3-Methylimidazolidin-2-one; N-Methyl-1,3-propanediamine cyclic urea
• Molecular Formula: C₄H₈N₂O
• Molecular Weight: 100.12
• CAS Registry Number: 694-32-6
• EC Number: 695-314-3

Properties

• Solubility: Soluble (59 g/L) (25 ºC), Calc.^*
• Density: 1.084±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 122-123 ºC (benzene )^**
• Boiling point: 100-190 ºC (13 Torr)^***
• Flash point: 129.1±18.2 ºC, Calc.^*

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

^** Rajca, Andrzej; Synthesis 1983, (12), P1032-3.

^*** Hall, H. K., Jr.; Journal of the American Chemical Society 1958, V80, P6409-12.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Acute toxicity	Acute Tox.	4	H302
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2A	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H312