Acid Red 60
Name:C.I.Acid Red 60,C.I.16645
Molecular Structure: Single azo class
C.I.Acid Red 60,C.I.16645,CAS 5850-64-6,620.48,C20H11N2Na3O11S3,Chromotrope 8B
Molecular Formula:C20H11N2Na3O11S3
Molecular Weight: 620.48
CAS Registry Number:5850-64-6
Manufacturing Methods : 4-Aminonaphthalene-1-sulfonic acid diazo, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid coupling.
Properties and Applications: blue-ray red. Soluble in water for the red, slightly soluble in ethanol for pink. The strong sulfuric acid in blue, diluted into pink. In water solution to join strong hydrochloric acid for the red; Add thick sodium hydroxide solution into purple.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4-5 | 1 | ||||||
List of Suppliers:
Chromotrope 8B ( Farbwerke vorm. Meister Lucius &Brtining )