Mordant Blue 80
Name:C.I.Mordant Blue 80,C.I.16570
Molecular Structure: Single azo class
C.I.Mordant Blue 80,C.I.16570,CAS 4197-07-3,468.37,C16H10N2Na2O8S2
Molecular Formula:C16H10N2Na2O8S2
Molecular Weight: 468.37
CAS Registry Number:4197-07-3
Manufacturing Methods : aniline diazotization, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid coupling.
Properties and Applications: brilliant red. Soluble in water (for red orange) and Cellosolve, slightly soluble in alcohol (for red light purple) and Acetone, insoluble in other organic solvent. In concentrated sulfuric acid for product red, pink to purple after diluted for; In concentrated nitric acid for red solution, and then into orange. Dye aqueous solution to join concentrated hydrochloric acid for red orange, add thick sodium hydroxide solution for magenta.
| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 5-6 | 3-4 | 2 | 3 | 4-5 | ||
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