Acid Red 89
Name:C.I.Acid Red 89,C.I.23910
Molecular Structure: Double azo class
C.I.Acid Red 89,C.I.23910,CAS 6472-50-0,726.69,C34H24N4Na2O8S2,Milling Red R,Weak Acid Red 3B,Milling Red 3BM
Molecular Formula:C34H24N4Na2O8S2
Molecular Weight: 726.69
CAS Registry Number:6472-50-0
Manufacturing Methods : 5-Amino-2-(4-amino-5-methyl-2-sulfophenyl)-4-methylbenzenesulfonic double nitriding, and Naphthalen-2-ol (2 Moore) coupled.
Properties and Applications: red. Soluble in hot water, slightly soluble in cold water, soluble in ethanol, acetone, soluble fiber element and Pyridine, insoluble in other organic solvents. The strong sulfuric acid to red light purple, blue and red after diluted precipitation; In nitric acid with dark red in, and then into the orange. In water solution to join strong hydrochloric acid have article red precipitate; Add thick sodium hydroxide solution for orange brown.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4 | 3 | 4-5 | 4 | 3 | 4 | 4 | 4 |
| AATCC | 3 | 3 | 3 | 4 | 3 | 3 | 4 | 4 |
List of Suppliers:
Classic Acid Red 89 (Classic Dyestuffs Inc)
Milling Red RA SUB (Classic Dyestuffs Inc)
Orco Milling Red 3BM(Classic Dyestuffs Inc)
Weak Acid Red 3B[U](Fenchem Enterprises Ltd)
Xylene Milling Red R(Classic Dyestuffs Inc)
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