7477-67-0

7477-67-0 structure

Name	bispyrazolone
Synonyms	(4,4'-Bi-3H-pyrazole)-3,3'-dione, 2,2',4,4'-tetrahydro-5,5'-dimethyl-2,2'-diphenyl- MFCD00020765 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 4,4'-bis-(1-phenyl-3-methyl-2-pyrazolin-5-one) EINECS 231-282-5 3,3'-Dimethyl-1,1'-diphenyl-(4,4'-bi-2-pyrazoline)-5,5'-dione [4,4'-Bi-3H-pyrazole]-3,3'-dione, 2,2',4,4'-tetrahydro-5,5'-dimethyl-2,2'-diphenyl- 3,3'-dimethyl-1,1'-diphenyl-4,4'-bi-5-pyrazolone edaravone diMer 5,5'-Dimethyl-2,2'-diphenyl-2,2',4,4'-tetrahydro-3H,3'H-4,4'-bipyrazole-3,3'-dione BIS(1-PHENYL-3-METHYL-5-PYRAZOLONE) 5,5'-dimethyl-2,2'-diphenyl-1,2,1',2'-tetrahydro-[4,4']bipyrazolyl-3,3'-dione [4,4'-Bi-1H-pyrazole]-5,5'(4H,4'H)-dione, 3,3'-dimethyl-1,1'-diphenyl- [4,4'-Bi-2-pyrazoline]-5,5'-dione, 3,3'-dimethyl-1,1'-diphenyl- edaravone related substance A bis-4,4'-(3-methyl-5-oxo-1-phenylpyrazole) (4,4'-Bi-2-pyrazoline)-5,5'-dione, 3,3'-dimethyl-1,1'-diphenyl- Bis(1-phenyl-3-methyl-5-pyrazo 4,4'-Bis(1-phenyl-3-methyl-5-pyrazolone)

Density	1.3±0.1 g/cm3
Boiling Point	585.1±50.0 °C at 760 mmHg
Melting Point	355 °C
Molecular Formula	C₂₀H₁₈N₄O₂
Molecular Weight	346.383
Flash Point	307.6±30.1 °C
Exact Mass	346.142975
PSA	65.34000
LogP	1.93
Vapour Pressure	0.0±1.6 mmHg at 25°C
Index of Refraction	1.680
Water Solubility	formic acid: 50 mg/mL, clear, yellow

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H317
Precautionary Statements	P280
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes	Xi
Risk Phrases	R43
Safety Phrases	S36/37
RIDADR	NONH for all modes of transport
WGK Germany	3