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

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

Name	1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one
Synonyms	3-Methyl-N-(4'-chlorophenyl)-5-pyrazolone 1-(4-Chlorophenyl)-3-methyl-5(4H)-pyrazolone 1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one 1-(4-Chlorophenyl)-3-methyl-1H-pyrazole-5(4H)-one 2-(4-Chloro-phenyl)-5-methyl-2,4-dihydro-pyrazol-3-one 2-(4-Chlorophenyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one 2-(4-Chlorophenyl)-5-methyl-2,4-dihydro-3H-pyrazole-3-one 3H-Pyrazol-3-one, 2-(4-chlorophenyl)-2,4-dihydro-5-methyl- 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 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
CAS	13024-90-3
EINECS	235-884-9

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

Molecular Formula	C10H9ClN2O
Molar Mass	208.64
Density	1.32±0.1 g/cm3(Predicted)
Melting Point	167-171°C(lit.)
Boling Point	382.8±25.0 °C(Predicted)
Appearance	Powder
pKa	2.18±0.50(Predicted)
Storage Condition	Room Temprature
MDL	MFCD00043814
Physical and Chemical Properties	Chemical properties white or light yellow powder. Melting point 165-167 ℃. Soluble in ethanol, acetic acid, inorganic acid and alkali, soluble in boiling water, insoluble in ether and cold water.
Use	Use 1, neutral dye intermediates. For the manufacture of neutral brilliant yellow 3GL, neutral orange RL, neutral dark brown BRL, etc. 2, used as dye, pigment, medicine, pesticide intermediates 3, to be used in organic synthesis of C.I. Acid orange 87;88 and other varieties of coupling components.

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

Safety Description	24/25 - Avoid contact with skin and eyes.
WGK Germany	3
HS Code	29331990

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

Raw Materials	Acetoacetamide 4-Chlorophenylhydrazine hydrochloride 4-Chlorophenylhydrazine
Downstream Products	Acid Orange 88 Acid Brown 21 Acid orange 87

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

melting point	167-171 °C(lit.)
boiling point	382.8±25.0 °C(Predicted)
density	1.32±0.1 g/cm3(Predicted)
acidity coefficient (pKa)	2.18±0.50(Predicted)

Last Update：2024-04-10 22:29:15

1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one - Uses and synthesis methods

chemical properties	white or light yellow powder. Melting point 165-167 ℃. Soluble in ethanol, acetic acid, inorganic acid and alkali, soluble in boiling water, insoluble in ether and cold water.
use	Neutral dye intermediates. It is used to manufacture neutral brilliant yellow 3GL, neutral orange RL, neutral dark brown BRL, etc.
use	Used as an intermediate for dyes, pigments, medicines, and pesticides
use	is mainly used for organic synthesis of C.I. acid orange 87; The coupling components of 88 and other varieties.
production method	It is obtained by condensation and closed loop of p-chlorophenylhydrazine and acetoacetamide. Add p-chlorobenzene hydrochloride into a condensation pot, add acetoacetamide at 90-95 ℃, add about 30-40min, after condensation, pH is 2.5-3, cool down to 45 ℃ after reaction, wash with water to neutral or acidic, dry to obtain the finished product.

Last Update：2024-04-09 21:54:55

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

chemical properties	white or light yellow powder. Melting point 165-167 ℃. Soluble in ethanol, acetic acid, inorganic acid and alkali, soluble in boiling water, insoluble in ether and cold water.
use	neutral dye intermediate. It is used to manufacture neutral brilliant yellow 3GL, neutral orange RL, neutral dark brown BRL, etc. as an intermediate of dyes, pigments, medicines and pesticides mainly used in organic synthesis of C.I. acid orange 87; The coupling components of 88 and other varieties.
production method	is obtained by condensation and closed loop of p-chlorophenylhydrazine and acetoacetamide. Add p-chlorobenzene hydrochloride into a condensation pot, add acetoacetamide at 90-95 ℃, add it in about 30-40min, after condensation, pH is 2.5-3, cool down to 45 ℃ after reaction, wash with water to neutral or acidic, and dry to obtain the finished product.
EPA chemical information	information provided by: ofmpub.epa.gov (external link)

Last Update：2024-04-09 20:49:11

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

safety instructions	24/25
WGK Germany	3
customs code	29331990

Last Update：2024-04-09 15:16:15

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

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Wuhan UCchem Biotechnology Co., LTD

Spot supply

Product Name: 1-(4'-Chlorophenyl)-3-Methyl-5-Pyrazolone Request for quotation
CAS: 13024-90-3
Tel: +86-18162425036
Email: 3866263148@qq.com
Mobile: 18162425036
QQ: 3866263148

Send QQ message
Wechat: 18162425036

Shanghai Yuanye Bio-Technology Co., Ltd.

Product Name: 1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one Visit Supplier Webpage Request for quotation
CAS: 13024-90-3
Tel: 18301782025
Email: 3008007409@qq.com
Mobile: 18021002903
QQ: 3008007409

Wechat: 18301782025

Zouping Mingxing Chemical Co., Ltd.

Product Name: 1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one Request for quotation
CAS: 13024-90-3
Tel: 0086-13605431940
Email: xuli678323@126.com
Mobile: +86-13605431940
QQ: 56860987

Wechat: 13605431940
WhatsApp: 13605431940

View History

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

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

Acetoacetamide
4-Chlorophenylhydrazine hydrochloride
4-Chlorophenylhydrazine

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

Acid Orange 88
Acid Brown 21
Acid orange 87

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

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

CAS: 13024-90-3

Molecular Formula: C10H9ClN2O

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

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

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

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

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

1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one - Uses and synthesis methods

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

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

Supplier List

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

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

CAS: 13024-90-3

Molecular Formula: C10H9ClN2O

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

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

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

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

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

1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one - Uses and synthesis methods

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

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

Supplier List

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