Acid Red 5
Name:C.I.Acid Red 5,C.I.14905
Molecular Structure: Single azo class
C.I.Acid Red 5,C.I.14905,CAS 5858-63-9,482.4,C17H12N2Na2O8S2
Molecular Formula:C17H12N2Na2O8S2
Molecular Weight: 482.4
CAS Registry Number:5858-63-9
Manufacturing Methods : p-Anisidine diazo, coupled with 4-Hydroxynaphthalene-2,7-disulfonic acid.
Properties and Applications: red. Soluble in water for red to product red, slightly soluble in ethanol and acetone, insoluble in other organic solvents. The strong sulfuric acid for purple, diluted red for quality. The dye solution to join strong hydrochloric acid for product red; Add sodium hydroxide is palm orange.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4 | 2 | 4-5 | 4 | 1 | 4 | 2 | 1 |
| AATCC | 5 | 1 | 1 | 1 | 1 | |||
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