Acid Orange 28
Name:C.I.Acid Orange 28,C.I.16240
Molecular Structure: Single azo class
Molecular Formula:C24H23N3Na2O8S2
Molecular Weight: 591.57
CAS Registry Number:5863-95-6
Manufacturing Methods : N-(4-aminophenyl)-N-cyclohexylacetamide diazo, and 7-Hydroxynaphthalene-1,3-disulfonic acid coupling.
Properties and Applications: bright orange. Soluble in water and ethanol for gold orange. The strong sulfuric acid for gold in orange, diluted into gold. The aqueous solution of dye with strong hydrochloric acid for gold orange; Add thick sodium hydroxide solution for red light orange brown. Used for wool, silk fiber dyeing etc, also used in leather dyeing.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 4-5 | 3-4 | 3 | 4-5 | 1 | 5 | 4 | 3 |
AATCC | 5-6 | 4 | 4 | 1 | 4-5 | 4-5 |
List of Suppliers:
Trilana Orange SEGG ( Classic Dyestuffs Inc )
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