Mordant Black 62
Name:C.I.Mordant Black 62,C.I.26750
Molecular Structure: Double azo class
C.I.Mordant Black 62,C.I.26750,CAS 6406-50-4,586.48,C27H16N4Na2O7S
Molecular Formula:C27H16N4Na2O7S
Molecular Weight: 586.48
CAS Registry Number:6406-50-4
Manufacturing Methods :5-Amino-2-hydroxybenzoic acid diazotization, and Naphthalen-1-amine coupling, product to diazotization, and 5-Hydroxynaphthalene-1-sulfonic acid coupling.
Properties and Applications: black. Soluble in water for purple black, right amount soluble in ethanol for sauce red, slightly soluble in Acetone, insoluble in other organic solvent. In concentrated sulfuric acid for brilliant green, dilution after pale red light brown; In concentrated nitric acid for wine, and then into orange. Dye aqueous solution to join concentrated hydrochloric acid for pale red light brown; Join concentrated sodium hydroxide solution for purple black.
| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 5 | 5 | 4 | 4 | 4-5 | 5 | 5 |
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