Product

1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one

CAS No.：13024-90-3

Other grades of this product :

1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one Basic information

Product Name:	1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one
Synonyms:	2-(4-Chloro-phenyl)-5-methyl-2,4-dihydro-pyrazol-3-one;2-(4-Chlorophenyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one;1-(4-Chlorophenyl)-3-methyl-5-pyrazolone, 3-Methyl-1-(4-chlorophenyl)-5-pyrazolone, 2-(4-Chlorophenyl)-2,4-dihydro-5-methyl-3H-pyrazol-3-one;3-Methyl-N-(4'-chlorophenyl)-5-pyrazolone;1-(4-Chlorophenyl)-3-methyl-1H-pyrazole-5(4H)-one;1-(4-Chlorophenyl)-3-methyl-5(4H)-pyrazolone;2-(4-Chlorophenyl)-5-methyl-2,4-dihydro-3H-pyrazole-3-one;3H-Pyrazol-3-one, 2-(4-chlorophenyl)-2,4-dihydro-5-methyl-
CAS:	13024-90-3
MF:	C10H9ClN2O
MW:	208.64
EINECS:	235-884-9
Product Categories:	Intermediates of Dyes and Pigments
Mol File:	13024-90-3.mol

1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one Chemical Properties

Melting point	167-171 °C(lit.)
Boiling point	382.8±25.0 °C(Predicted)
density	1.32±0.1 g/cm3(Predicted)
pka	2.18±0.50(Predicted)
form	powder to crystal
color	White to Light yellow to Light orange
CAS DataBase Reference	13024-90-3(CAS DataBase Reference)
EPA Substance Registry System	3H-Pyrazol-3-one, 2-(4-chlorophenyl)-2,4-dihydro-5-methyl- (13024-90-3)

Safety Information

Safety Statements	24/25
WGK Germany	3
HS Code	29331990

MSDS Information

Provider	Language
SigmaAldrich	English

1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one Usage And Synthesis

Chemical Properties

light yellow crystals

1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one Preparation Products And Raw materials

Raw materials	Acetoacetamide-->4-Chlorophenylhydrazine hydrochloride-->4-Chlorophenylhydrazine
Preparation Products	Acid Orange 88-->Acid Brown 21-->Acid orange 87

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