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3-methyl-1-(pyridin-4-yl)-4,5-dihydro-1H-pyrazol-5-one

3-methyl-1-(pyridin-4-yl)-4,5-dihydro-1H-pyrazol-5-one Structure
3-methyl-1-(pyridin-4-yl)-4,5-dihydro-1H-pyrazol-5-one structure
CAS No.
111988-01-3
Chemical Name:
3-methyl-1-(pyridin-4-yl)-4,5-dihydro-1H-pyrazol-5-one
Synonyms
3-methyl-1-(pyridin-4-yl)-4,5-dihydro-1H-pyrazol-5-one;3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-(4-pyridinyl)-
CBNumber:
CB94664937
Molecular Formula:
C9H9N3O
Molecular Weight:
175.19
MDL Number:
MFCD12134544
MOL File:
111988-01-3.mol
Last updated:2023-06-06 08:28:36
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3-methyl-1-(pyridin-4-yl)-4,5-dihydro-1H-pyrazol-5-one Properties

Melting point 198 °C
Boiling point 365.7±15.0 °C(Predicted)
Density 1.27±0.1 g/cm3(Predicted)
pka 6.12±0.10(Predicted)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H319-H315-H302-H335
Precautionary statements  P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P-P264-P270-P301+P312-P330-P501

3-methyl-1-(pyridin-4-yl)-4,5-dihydro-1H-pyrazol-5-one Chemical Properties,Uses,Production

3-methyl-1-(pyridin-4-yl)-4,5-dihydro-1H-pyrazol-5-one synthesis

27256-91-3
141-97-9
111988-01-3
Synthesis of 3-methyl-1-(pyridin-4-yl)-4,5-dihydro-1H-pyrazol-5-one from 4-hydrazinylpyridine hydrochloride and Ethyl acetoacetate

3-methyl-1-(pyridin-4-yl)-4,5-dihydro-1H-pyrazol-5-one Preparation Products And Raw materials

Raw materials

4-hydrazinylpyridine hydrochloride Ethyl acetoacetate

Preparation Products

3-methyl-1-(pyridin-4-yl)-4,5-dihydro-1H-pyrazol-5-one 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-(4-pyridinyl)- 111988-01-3