4-[(2,4-Dimethylphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one CAS#: 6407-78-9

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

Product Name:

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

Synonyms:

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

CAS:

6407-78-9

MF:

C18H18N4O

MW:

306.36

EINECS:

229-043-5

Mol File:

6407-78-9.mol

More

Less

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

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℃
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)

More

Less

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

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

Not classified

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.

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

Hangzhou J&H Chemical Co., Ltd.

Tel: 0571-+86-571-87396432
Email: sales@jhechem.com

Hubei Jusheng Technology Co.,Ltd

Tel: 027-59599241 18871490274
Email: 1400878000@qq.com

Alfa Chemistry

Tel: 1-516-6625404
Email: support@alfa-chemistry.com

Hefei TNJ Chemical Industry Co.,Ltd.

Tel: +86-0551-65418671 +8618949823763
Email: sales@tnjchem.com

AFINE CHEMICALS LIMITED

Tel: +86-0571-85134551
Email: sales@afinechem.com

More

Less