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Bispyrazolone
Bispyrazolone / CAS : 7477-67-0
| Appearance | tan crystalline powder | UN | 0 |
| HS | 2933199090 | DG Class | 0 |
| Synonyms | Bis(3-Methyl-1-Phenyl-5-Pyrazolone); Bis-Pyrazolone; 3,3'-Dimethyl-1,1'-Diphenyl-4,4'-Bi-4H-Pyrazole-5,5'(1H,1'H)-Dione; 3,3'-Dimethyl-1,1'-Diphenyl-(4,4'-Bi-2-Pyrazoline)-5,5'-Dione; 3,3'-Dimethyl-1,1'-Diphenyl-4,4'-Bi-5-Pyrazolone; Bis(1-Phenyl-3-Methyl-5-Pyrazolone); 5,5'-Dimethyl-2,2'-Diphenyl-1,2,1',2'-Tetrahydro-[4,4']Bipyrazolyl-3,3'-Dione; Edaravone Related Substance A; Bis-4,4'-(3-Methyl-5-Oxo-1-Phenylpyrazole); 4,4'-Bis(3-Methyl-1-Phenyl-5-Pyrazolone); 4,4'-Bis(1-Phenyl-3-Methyl-5-Pyrazolone); 4,4'-Bis-(1-Phenyl-3-Methyl-2-Pyrazolin-5-One); 3,3-Dimethyl-1,1-Diphenyl-(4,4-Bi-2-Pyrazoline)-5,5-Dione; 3,3'-Dimethyl-1,1'-Diphenyl-[4,4'-Bi-2-Pyrazoline]-5,5'-Dione | ||
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Properties
Summary
Formula
C20H18N4O2
Molecular Mass
346.38300
Exact Mass
346.14300
PSA
65.34000
Logp
2.06540
IUPAC
5-methyl-4-(3-methyl-5-oxo-1-phenyl-4H-pyrazol-4-yl)-2-phenyl-4H-pyrazol-3-one
SMILES
CC1=NN(C(=O)C1C2C(=NN(C2=O)C3=CC=CC=C3)C)C4=CC=CC=C4
Attribute classification
Matter Classification
organic
Category
API & Intermediate > Biochemicals
Chemical and Physical Properties
Melting Point
355 °C
Density
1.306g/cm3
Boiling Point
428.1ºC at 760 mmHg
Flash Point
212.7ºC
Appearance
tan crystalline powder
Export information
HS Code
2933199090
Export Rebate
13%
UN No.
0
DG-Class
0
Risk Code
R43
Safety Label
Xi
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