4-Methylpiperazine-1-carbonyl chloride Chemical Properties

Melting point:

225-228 °C(lit.)

Boiling point:

278-279 °C(lit.)

Density 

1.200 g/mL at 25 °C(lit.)

refractive index 

n20/D 1.4980(lit.)

Flash point:

>230 °F

storage temp. 

2-8°C

form 

Liquid

pka

6.61±0.10(Predicted)

color 

Colorless to brown

CAS DataBase Reference

39539-66-7(CAS DataBase Reference)

Safety Information

Hazard Codes 

C

Risk Statements 

34

Safety Statements 

26-36/37/39-45

RIDADR 

UN 3265 8/PG 2

WGK Germany 

3

MSDS

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4-Methylpiperazine-1-carbonyl chloride Usage And Synthesis

General Description

4-Methyl-1-piperazinecarbonyl chloride can be synthesized from 1-methylpiperazine by reacting with phosgene.

4-Methylpiperazine-1-carbonyl chloride(39539-66-7)Related Product Information

• Deschloro-Zopiclone
• N,N'-Dimethylpiperazine
• N-(5-Chloro-2-pyridinyl)-3-(hydroxyMethyl)-2-pyrazinecarboxaMide
• Zopiclone Impurity 3
• Zopiclone Impurity 18
• Zopiclone Impurity 10
• ZOPICLONE N-OXIDE
• RP 48497 (Eszopiclone Impurity C)
• 1-Piperazinecarboxylicacid,4-methyl-,ethylester(6CI,9CI)
• 2,3-Pyrazinecarboxylic anhydride
• 3-(5-CHLOROPYRID-2-YL)CARBAMOYLPYRAZINE-2-CARBOXYLIC ACID(WXG01564)
• Zopiclone Impurity 11
• Zopiclone Impurity 4 (3-Formyl-2-Pyrazinecarboxylic Acid)
• 2-Acetamido-5-chloropyridine
• 6-(5-Chloro-2-pyridyl)-6,7-dihydro-7-hydroxy-5H-pyrrolo[3,4-b]pyrazin-5-one
• Zopiclone iMpurity (5-(Chloropyridine-2-yl-carbaMoyl)pyrazine)
• 6-(5-Chloro-2-pyridyl)-5H-pyrrolo[3,4-b]pyrazine-5,7(6H)-dione
• Zopiclone Impurity 12