3-Methyl-3-pyrazolin-5-one Chemical Properties

Melting point:

223-225 °C (lit.)

Density 

1.107±0.06 g/cm3(Predicted)

storage temp. 

Keep in dark place,Inert atmosphere,Room temperature

solubility 

1 M NH4OH: soluble25mg/mL, clear, colorless (in methanol)

form 

solid

pka

9.04±0.70(Predicted)

color 

Off White

CAS DataBase Reference

4344-87-0(CAS DataBase Reference)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-37/39-36

WGK Germany 

3

HS Code 

2933119000

MSDS

• Language:English Provider:SigmaAldrich

3-Methyl-3-pyrazolin-5-one Usage And Synthesis

Chemical Properties

Light yellow crystalline powder

Uses

3-Methyl-3-pyrazolin-5-one was used in the preparation of substituted 4-alkyl(cycloalkyl)-2-amino-3-cyano-4H-pyrans.

General Description

3-Methyl-3-pyrazolin-5-one is an intermediate in the synthesis of heterocyclic compounds. Crystal structure of 3-methyl-3-pyrazolin-5-one was studied.

3-Methyl-3-pyrazolin-5-one(4344-87-0)Related Product Information

• 1-Phenyl-3-methyl-2-pyrazolin-5-one
• Methyl acetate
• Methylparaben
• 2-Methyl-4-isothiazolin-3-one
• Methyl acrylate
• Bensulfuron methyl
• Cefazolin
• Cefazolin sodium salt
• Kresoxim-methyl
• Thiophanate-methyl
• Methyl
• 4-ACETAMIDOANTIPYRINE
• Metamizole Sodium Monohydrate
• DIANTIPYRYLMETHANE
• 4-Aminoantipyrine
• Antipyrine
• 4-BROMOANTIPYRINE
• Aminopyrine