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
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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