ChemicalBook--->CAS DataBase List--->6407-78-9

6407-78-9

6407-78-9 Structure

6407-78-9 Structure
IdentificationBack Directory
[Name]

4-[(2,4-Dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
[CAS]

6407-78-9
[Synonyms]

c.i. 12740
Food Yellow 12
solvent yellow 18
C.I.Food Yellow 12
Transparent yellow GR
C.I.Food Yellow 12:C.I.12740
C.I.Solvent Yellow 18:C.I.12740
2-Phenyl-4-(2,4-dimethylphenylazo)-5-methyl-2H-pyrazole-3(4H)-one
4-[(2,4-dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3h-pyrazol-3-one
3H-Pyrazol-3-one, 4-[2-(2,4-dimethylphenyl)diazenyl]-2,4-dihydro-5-methyl-2-phenyl-
[EINECS(EC#)]

229-043-5
[Molecular Formula]

C18H18N4O
[MOL File]

6407-78-9.mol
[Molecular Weight]

306.36
Chemical PropertiesBack Directory
[Boiling point ]

497.8±45.0 °C(Predicted)
[density ]

1.19
[vapor pressure ]

0Pa at 25℃
[pka]

1.45±0.70(Predicted)
[Water Solubility ]

62.94μg/L at 25℃
[Cosmetics Ingredients Functions]

HAIR DYEING
[LogP]

5.65 at 25℃
[EPA Substance Registry System]

3H-Pyrazol-3-one, 4-[(2,4-dimethylphenyl)azo]- 2,4-dihydro-5-methyl-2-phenyl- (6407-78-9)
Safety DataBack Directory
[TSCA ]

TSCA listed
[REACH Registrations]

Inactive
Hazard InformationBack Directory
[Uses]

Solvent Yellow 18 is used in preparation methods of altering the refractive index of a lens using a polymer matrix.
[Preparation]

2,4-Dimethylbenzenamine diazo, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one?coupling.
[Flammability and Explosibility]

Notclassified
[Properties and Applications]

red light yellow to yellow. Insoluble in water, slightly soluble in alcohol. And C.I. Solvent yellow 18 the same chemical structure.
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