Direct Orange 92
Name:C.I.Direct Orange 92,C.I.25085
Molecular Structure: Double azo class
Molecular Formula:C26H23N6NaO6S
Molecular Weight: 570.55
CAS Registry Number:6661-24-1
Manufacturing Methods : 4,4′-Diaminodiphenylether-2-sulfonic acid double nitriding, and 3-Amino-4-methylphenol(2 Moore) coupled.
Properties and Applications: dark yellow orange. Moderate soluble in water for orange brown, slightly soluble in ethanol for yellow orange. The strong sulfuric acid for dark orange brown, diluted for orange brown. The dye solution to join strong hydrochloric acid have red light brown precipitation; Add thick sodium hydroxide solution for red light brown.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 3 | 5 | 2 | 3 | 4 |
List of Suppliers:
Diamine Nitrazol Orange R( Carbotex Consultants )
[…] C.I.Direct Orange 92 […]