2,4-Dihydro-4,4,5-trimethyl-2-phenyl-3H-pyrazol-3-one

Modify Date: 2025-08-25 16:35:38

2,4-Dihydro-4,4,5-trimethyl-2-phenyl-3H-pyrazol-3-one Structure
2,4-Dihydro-4,4,5-trimethyl-2-phenyl-3H-pyrazol-3-one structure
Common Name 2,4-Dihydro-4,4,5-trimethyl-2-phenyl-3H-pyrazol-3-one
CAS Number 947-82-0 Molecular Weight 202.25200
Density 1.09g/cm3 Boiling Point 332.5ºC at 760 mmHg
Molecular Formula C12H14N2O Melting Point N/A
MSDS N/A Flash Point 154.9ºC

 Names

Name 4,4,5-trimethyl-2-phenylpyrazol-3-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.09g/cm3
Boiling Point 332.5ºC at 760 mmHg
Molecular Formula C12H14N2O
Molecular Weight 202.25200
Flash Point 154.9ºC
Exact Mass 202.11100
PSA 32.67000
LogP 1.93590
Index of Refraction 1.571
InChIKey MZYISAKYPPUWJG-UHFFFAOYSA-N
SMILES CC1=NN(c2ccccc2)C(=O)C1(C)C

 Safety Information

HS Code 2933199090

 Synthetic Route

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2,4-Dihydro-4,4,5-trimethyl-2-phenyl-3H-pyrazol-3-one Structure

2,4-Dihydro-4,4...

CAS#:947-82-0

Literature: Knorr Justus Liebigs Annalen der Chemie, 1887 , vol. 238, p. 160,205 Justus Liebigs Annalen der Chemie, 1896 , vol. 293, p. 1,26, 41

~%

2,4-Dihydro-4,4,5-trimethyl-2-phenyl-3H-pyrazol-3-one Structure

2,4-Dihydro-4,4...

CAS#:947-82-0

Literature: Knorr Justus Liebigs Annalen der Chemie, 1887 , vol. 238, p. 160,205 Justus Liebigs Annalen der Chemie, 1896 , vol. 293, p. 1,26, 41

~%

2,4-Dihydro-4,4,5-trimethyl-2-phenyl-3H-pyrazol-3-one Structure

2,4-Dihydro-4,4...

CAS#:947-82-0

Literature: Kitamura Yakugaku Zasshi, 1938 , vol. 58, p. 447,455,465;dtsch.Ref.S.86,91,93 Chem.Abstr., 1938 , p. 6648

~%

2,4-Dihydro-4,4,5-trimethyl-2-phenyl-3H-pyrazol-3-one Structure

2,4-Dihydro-4,4...

CAS#:947-82-0

Literature: Knorr Justus Liebigs Annalen der Chemie, 1896 , vol. 293, p. 9

 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

4,4,5-Trimethyl-2-phenyl-2,4-dihydro-pyrazol-3-on
1-Phenyl-3,4,4-trimethyl-pyrazolon-(5)
HMS2164H15
1-phenyl-3,4,4-trimethyl-2-pyrazolin-5-one
2-Pyrazolin-5-one,3,4,4-trimethyl-1-phenyl
3H-Pyrazol-3-one,2,4-dihydro-4,4,5-trimethyl-2-phenyl
2,4-DIHYDRO-4,4,5-TRIMETHYL-2-PHENYL-3H-PYRAZOL-3-ONE
3,4,4-trimethyl-1-phenyl-1H-pyrazol-5(4H)-one
4,4,5-trimethyl-2-phenyl-2,4-dihydropyrazol-3-one
1-phenyl-3,4,4-trimethyl-5-pyrazolone
MFCD00514555
2,4-Dihydro-4,4,5-trimethyl-2-phenyl-3H-pyrazol-3-one
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