ChemicalBook--->CAS DataBase List--->4344-87-0

4344-87-0

4344-87-0 Structure

4344-87-0 Structure
IdentificationMore
[Name]

3-Methyl-3-pyrazolin-5-one
[CAS]

4344-87-0
[Synonyms]

3-METHYL-3-PYRAZOLIN-5-ONE
3 METHYLPYRAZOLONE
AKOS B028792
3-METHYL-3-PARAZOLIN-5-ONE
3-METHYL-2-PYRAZOLIN-5-ONE (PILOT)
1,2-Dihydro-3-methyl-5H-pyrazol-5-one
3-Hydroxy-5-methyl-1H-pyrazole
3-Methyl-3-pyrazoline-5-one
5-Methyl-1,2-dihydro-3H-pyrazole-3-one
5-Methyl-1H-pyrazole-3(2H)-one
5-Methyl-1H-pyrazole-3-ol
[Molecular Formula]

C4H6N2O
[MDL Number]

MFCD00010705
[Molecular Weight]

98.1
[MOL File]

4344-87-0.mol
Chemical PropertiesBack Directory
[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)
[pka]

9.04±0.70(Predicted)
[CAS DataBase Reference]

4344-87-0(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S37/39:Wear suitable gloves and eye/face protection .
S36:Wear suitable protective clothing .
[WGK Germany ]

3
Hazard InformationBack Directory
[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.
Spectrum DetailBack Directory
[Spectrum Detail]

3-Methyl-3-pyrazolin-5-one(4344-87-0)1HNMR
3-Methyl-3-pyrazolin-5-one(4344-87-0)FT-IR
3-Methyl-3-pyrazolin-5-one(4344-87-0)Raman
Well-known Reagent Company Product InformationBack Directory
[Sigma Aldrich]

4344-87-0(sigmaaldrich)
[TCI AMERICA]

3-Methyl-3-pyrazolin-5-one,>98.0%(T)(4344-87-0)
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