1,5-Dimethyl-2-(p-tolyl)-1H-pyrazol-3(2H)-one

Modify Date: 2025-09-14 17:25:53

1,5-Dimethyl-2-(p-tolyl)-1H-pyrazol-3(2H)-one Structure
1,5-Dimethyl-2-(p-tolyl)-1H-pyrazol-3(2H)-one structure
Common Name 1,5-Dimethyl-2-(p-tolyl)-1H-pyrazol-3(2H)-one
CAS Number 56430-08-1 Molecular Weight 202.25200
Density 1.129g/cm3 Boiling Point 313.8ºC at 760mmHg
Molecular Formula C12H14N2O Melting Point 130-137ºC
MSDS N/A Flash Point 131.8ºC

 Names

Name 1,5-Dimethyl-2-(p-tolyl)-1H-pyrazol-3(2H)-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.129g/cm3
Boiling Point 313.8ºC at 760mmHg
Melting Point 130-137ºC
Molecular Formula C12H14N2O
Molecular Weight 202.25200
Flash Point 131.8ºC
Exact Mass 202.11100
PSA 26.93000
LogP 1.79280
Index of Refraction 1.577

 Safety Information

Hazard Codes Xi
Safety Phrases S24/25
HS Code 2933199090

 Synthetic Route

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1,5-Dimethyl-2-(p-tolyl)-1H-pyrazol-3(2H)-one Structure

1,5-Dimethyl-2-...

CAS#:56430-08-1

Literature: Beilstein Journal of Organic Chemistry, , vol. 9, p. 2033 - 2039

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1,5-Dimethyl-2-(p-tolyl)-1H-pyrazol-3(2H)-one Structure

1,5-Dimethyl-2-...

CAS#:56430-08-1

Literature: Chemische Berichte, , vol. 17, p. 542 Justus Liebigs Annalen der Chemie, , vol. 245, p. 368

~%

1,5-Dimethyl-2-(p-tolyl)-1H-pyrazol-3(2H)-one Structure

1,5-Dimethyl-2-...

CAS#:56430-08-1

Literature: Chemische Berichte, , vol. 17, p. 542 Justus Liebigs Annalen der Chemie, , vol. 245, p. 368

 Customs

HS Code 2933199090
Summary 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

1,5-dimethyl-2-(4-methylphenyl)pyrazol-3-one
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