Acid Orange 5
Name:C.I.Acid Orange 5,C.I.13080
Molecular Structure: Single azo class
Molecular Formula:C18H14N3NaO3S
Molecular Weight: 375.38
CAS Registry Number:554-73-4
Manufacturing Methods : ommonly known as acidic orange IV. 4-Aminobenzenesulfonic acid diazo, with Diphenylamine coupling.
Properties and Applications: yellow orange. Soluble in water and ethanol for orange, slightly soluble in ethyl ether, insoluble in benzene. The strong sulfuric acid is purple, dilute appears after the purple precipitation. In water solution to join hydrochloric acid appear purple precipitation; With sodium hydroxide appear yellow precipitation. Used for wool, silk, cotton, vinegar fiber etc fiber dyeing. Can also be used to indicator, paper, soap kind, straw and leather color. Good levelness, discharge sex medium, dyeing encounter copper, iron ion color shade darker.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 3 | 1-2 | 2 | 1-2 | 1-2 |
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