4-Methyl-2-pyrazolin-5-one

CAS: 13315-23-6

Ref. 3D-FM46175

Product Information

• Name: 4-Methyl-2-pyrazolin-5-one
• Synonyms: 2,4-Dihydro-4-methyl-3H-pyrazol-3-one, 2-Pyrazolin-5-one, 4-methyl-, 3H-Pyrazol-3-one, 2,4-dihydro-4-methyl-, 4-Methyl-5-pyrazolone, 4-methyl-1,2-dihydro-3H-pyrazol-3-one, 4-methyl-2,4-dihydro-3H-pyrazol-3-one, NSC 147759

Description

4-Methyl-2-pyrazolin-5-one is a gaseous compound that belongs to the group of pyrazole derivatives. It has been found to react with hydrogen peroxide to form 4,4'-bipyrazole in the presence of catalysts. This reaction is an example of catalytic hydrogenation and is exothermic, which means that it releases heat. The enthalpy change for this reaction is -8.8 kJ/mol. The entropic change for this reaction is 1.9 J/(K*mol). 4-Methyl-2-pyrazolin-5-one has been found to crystallize as a solid at pressures above 100 kPa and temperatures below 60°C.

• Brand: Biosynth

Chemical properties

• Molecular weight: 98.1 g/mol
• Formula: C₄H₆N₂O
• Purity: Min. 95%
• InChI: InChI=1S/C4H6N2O/c1-3-2-5-6-4(3)7/h2-3H,1H3,(H,6,7)
• InChI key: InChIKey=GWYFIIHULJCWMO-UHFFFAOYSA-N
• SMILES: CC1C=NNC1=O