2,5-diphenyl-1H-pyrazol-3-one

Modify Date: 2025-09-13 09:47:39

2,5-diphenyl-1H-pyrazol-3-one Structure
2,5-diphenyl-1H-pyrazol-3-one structure
 Common Name 2,5-diphenyl-1H-pyrazol-3-one
CAS Number 6632-05-9 Molecular Weight 236.26900
Density 1.23g/cm3 Boiling Point 388.8ºC at 760mmHg
Molecular Formula C15H12N2O Melting Point N/A
MSDS N/A Flash Point 188.9ºC

 Names

Name 2,5-diphenyl-1H-pyrazol-3-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.23g/cm3
Boiling Point 388.8ºC at 760mmHg
Molecular Formula C15H12N2O
Molecular Weight 236.26900
Flash Point 188.9ºC
Exact Mass 236.09500
PSA 37.79000
LogP 2.83260

 Safety Information

HS Code 2933199090

 Synthetic Route

Ethyl 3-oxo-3-phenylpropanoate structure

Ethyl 3-oxo-3-p...

CAS#:94-02-0

Phenylhydrazine structure

Phenylhydrazine

CAS#:100-63-0

~79%

2,5-diphenyl-1H-pyrazol-3-one Structure

2,5-diphenyl-1H...

CAS#:6632-05-9

Literature: Marchetti, Fabio; Pettinari, Claudio; Cingolani, Augusto; Pettinari, Riccardo; Rossi, Miriam; Caruso, Francesco Journal of Organometalic Chemistry, 2002 , vol. 645, # 1-2 p. 134 - 145
3-benzyl-5-benzylidene-1,3-thiazolidine-2,4-dione structure

3-benzyl-5-benz...

CAS#:80030-91-7

Phenylhydrazine structure

Phenylhydrazine

CAS#:100-63-0

~20%

2,5-diphenyl-1H-pyrazol-3-one Structure

2,5-diphenyl-1H...

CAS#:6632-05-9

3-Benzyl-2,4-dioxo-5-[α-(2-phenylhydrazino)-benzyl]-tetrahydro-1,3-thiazole structure

3-Benzyl-2,4-di...

CAS#:80030-93-9

Literature: Omar, Mohamed T.; Sherif, Fatma A. Synthesis, 1981 , # 9 p. 742 - 743
3-Benzyl-2,4-dioxo-5-[α-(2-phenylhydrazino)-benzyl]-tetrahydro-1,3-thiazole structure

3-Benzyl-2,4-di...

CAS#:80030-93-9

~%

2,5-diphenyl-1H-pyrazol-3-one Structure

2,5-diphenyl-1H...

CAS#:6632-05-9

Literature: Omar, Mohamed T.; Sherif, Fatma A. Synthesis, 1981 , # 9 p. 742 - 743
3-benzyl-5-benzylidene-1,3-thiazolidine-2,4-dione structure

3-benzyl-5-benz...

CAS#:80030-91-7

~%

2,5-diphenyl-1H-pyrazol-3-one Structure

2,5-diphenyl-1H...

CAS#:6632-05-9

Literature: Omar, Mohamed T.; Sherif, Fatma A. Synthesis, 1981 , # 9 p. 742 - 743
Phenylhydrazine structure

Phenylhydrazine

CAS#:100-63-0

~%

2,5-diphenyl-1H-pyrazol-3-one Structure

2,5-diphenyl-1H...

CAS#:6632-05-9

Literature: Omar, Mohamed T.; Sherif, Fatma A. Synthesis, 1981 , # 9 p. 742 - 743
5-Isoxazolamine,3-phenyl- structure

5-Isoxazolamine...

CAS#:4369-55-5

~%

2,5-diphenyl-1H-pyrazol-3-one Structure

2,5-diphenyl-1H...

CAS#:6632-05-9

Literature: Shaw; Sugowdz Journal of the Chemical Society, 1954 , p. 665,668
β-amino-cinnamic acid amide structure

β-amino-cinnami...

CAS#:52028-95-2

Phenylhydrazine structure

Phenylhydrazine

CAS#:100-63-0

~%

2,5-diphenyl-1H-pyrazol-3-one Structure

2,5-diphenyl-1H...

CAS#:6632-05-9

Literature: Shaw; Sugowdz Journal of the Chemical Society, 1954 , p. 665,668
Phenylhydrazine structure

Phenylhydrazine

CAS#:100-63-0

3-Phenylpropiolic acid structure

3-Phenylpropiol...

CAS#:637-44-5

~%

2,5-diphenyl-1H-pyrazol-3-one Structure

2,5-diphenyl-1H...

CAS#:6632-05-9

Literature: v. Rothenburg Chemische Berichte, 1894 , vol. 27, p. 791 Journal fuer Praktische Chemie (Leipzig), 1895 , vol. <2> 51, p. 61
Phenylhydrazine structure

Phenylhydrazine

CAS#:100-63-0

N/A structure

N/A

CAS#:126230-43-1

~%

2,5-diphenyl-1H-pyrazol-3-one Structure

2,5-diphenyl-1H...

CAS#:6632-05-9

Literature: Gaponov, A. A.; Solomko, Z. F.; Bozhanova, N. Ya.; Pantyukh, E. I. Chemistry of Heterocyclic Compounds (New York, NY, United States), 1989 , vol. 25, # 7 p. 836 Khimiya Geterotsiklicheskikh Soedinenii, 1989 , vol. 25, # 7 p. 997

 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

1,2-Dihydro-2,5-diphenyl-3H-pyrazol-3-one
2,5-Diphenyl-1,2-dihydro-pyrazol-3-on
2-phenyl-5-phenyl-pyrazol-3-one
1,3-diphenyl-5-pyrazolone
2,5-diphenyl-1,2-dihydro-pyrazol-3-one
1,3-diphenylpyrazol-5-one
1,3-diphenyl-pyrazolin-5-one
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