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1-p-Tolyl-3-methyl-5-pyrazolone

1-p-Tolyl-3-methyl-5-pyrazolone structure

CAS No:
86-92-0
Formula:
C11H12N2O
Chemical Name:
1-p-Tolyl-3-methyl-5-pyrazolone
Synonyms:
3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-(4-methylphenyl)-;2-Pyrazolin-5-one,3-methyl-1-p-tolyl-;2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one;1-(p-Tolyl)-3-methylpyrazolone-5;3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one;3-Methyl-1-p-tolyl-5-pyrazolone;3-Methyl-1-(4-methylphenyl)-5-pyrazolone;3-Methyl-1-(4-methylphenyl)-2-pyrazolin-5-one;1-p-Tolyl-3-methyl-5-pyrazolone;3-Methyl-1-(4-methylphenyl)-4,5-dihydro-1H-pyrazol-5-one
Categories:
Pharmaceutical Intermediates > Bulk Drug Intermediates

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Description

Beige Solid

1-p-Tolyl-3-methyl-5-pyrazolone Basic Attributes

Molecular Weight：

188.23

Exact Mass：

188.23

EC Number：

201-708-4

DSSTox ID：

DTXSID6052588

HScode：

2933199090

Characteristics

PSA：

32.7

XLogP3：

1.6

Appearance：

Light yellow crystalline powder

Density：

1.1±0.1 g/cm3

Melting Point：

132-134 °C

Boiling Point：

310.9°C at 760 mmHg

Flash Point：

174.6±22.1 °C

Refractive Index：

1.595

Safety Information

hazard class code：

RTECS Number：

UQ9680000

Marks：

Precautionary statement(s)：

P261, P264, P270, P272, P273, P280, P301+P312, P302+P352, P321, P330, P333+P313, P363, P501

Hazard Statements：

H302

GHS Classification：

|Warning|H302 (23.31%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P272, P273, P280, P301+P312, P302+P352, P321, P330, P333+P313, P363, and P501|Aggregated GHS information provided by 182 companies from 5 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

1-p-Tolyl-3-methyl-5-pyrazolone Use and Manufacturing

Uses

2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-Pyrazol-3-one is used as an antioxidant. Edaravone (E335000) derivative.

Manufacturing Info：

3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-(4-methylphenyl)-: ACTIVE

Computed Properties

Molecular Weight:188.23
XLogP3:1.6
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:1
Exact Mass:188.094963011
Monoisotopic Mass:188.094963011
Topological Polar Surface Area:32.7
Heavy Atom Count:14
Complexity:265
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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Guide of 1-p-Tolyl-3-methyl-5-pyrazolone

Description
Basic Attributes
Characteristics
Safety Information
Use and Manufacturing
Computed Properties
Latest News
Learn More Other Chemicals

1-p-Tolyl-3-methyl-5-pyrazolone

SDS

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