ChemicalBook--->CAS DataBase List--->5203-77-0

5203-77-0

5203-77-0 Structure

5203-77-0 Structure
IdentificationBack Directory
[Name]

1,3-Dimethyl-5-hydroxypyrazole
[CAS]

5203-77-0
[Synonyms]

2,5-DIMETHYL-3-PYRAZOLOL
2,5-Dimethyl-2H-pyrazol-3-ol
1,3-DIMETHYL-1H-PYRAZOL-5-OL
1,3-Dimethyl-5-hydroxypyrazole
1,3-DIMETHYL-1H-PYRAZOLE-5-ONE
5-Hydroxy-1,3-dimethylpyrazole
1,3-dimethyl-1 H-pyrazol-5-one
2,5-Dimethyl-1,2-dihydropyrazol-3-one
[Molecular Formula]

C5H8N2O
[MDL Number]

MFCD00129673
[MOL File]

5203-77-0.mol
[Molecular Weight]

112.13
Chemical PropertiesBack Directory
[Appearance]

white to light yellow crystal powde
[Melting point ]

113-117°C
[Boiling point ]

226°C
[density ]

1.17
[Fp ]

90°C
[storage temp. ]

Sealed in dry,Room Temperature
[pka]

9.19±0.28(Predicted)
Hazard InformationBack Directory
[Chemical Properties]

white to light yellow crystal powde
Safety DataBack Directory
[Symbol(GHS) ]


GHS07
[Signal word ]

Warning
[Hazard statements ]

H302-H315-H319-H332-H335
[Precautionary statements ]

P261-P280-P305+P351+P338
[Hazard Codes ]

Xn
[Risk Statements ]

22
Raw materials And Preparation ProductsBack Directory
[Raw materials]

Ethanol-->Ethyl acetoacetate-->Methylhydrazine-->methyl hydrazine
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