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Acid Red 198

Name:C.I.Acid Red 198,C.I.19115

Molecular Structure: Single azo,Metal Complexes

C.I.Acid Red 198,C.I.19115,CAS 6656-01-5,517.45,C22H16N5NaO7S

C.I.Acid Red 198,C.I.19115,CAS 6656-01-5,517.45,C22H16N5NaO7S

Molecular Formula:C22H16N5NaO7S

Molecular Weight: 517.45

CAS Registry Number:6656-01-5

Manufacturing Methods : 2-Amino-4-methyl-6-nitrophenol diazo, and 1-(2-Sulfophenyl)-3-phenyl-5-pyrazolone coupling, and then in water solution and formic acid chromium common heating four hours, reaction temperature from 115 ° C beginning to rise to 125 ° C, make the generation of the chrome complex.

Properties and Applications: red

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 6-7 4-5 4-5 3-4 3-4 4

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