Acid Red 22
Name:C.I.Acid Red 22,C.I.14940
Molecular Structure: Single azo class
C.I.Acid Red 22,C.I.14940,CAS 5864-85-7,496.42,C18H14N2Na2O8S2,Brilliant Lanafuchsin SL
Molecular Formula:C18H14N2Na2O8S2
Molecular Weight: 496.42
CAS Registry Number:5864-85-7
Manufacturing Methods : 2-Amino-4-methylanisole diazo, and 1-Naphthol-3,7-disulfonic acid coupling
Properties and Applications: red. Soluble in water for product red, and adequate soluble in alcohol in red. The strong sulfuric acid for purple, diluted red for quality. In aqueous solution to join strong hydrochloric acid for product red; Add sodium hydroxide into a brown.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4 | 4 | 3 | 2-3 | 1 | 2-3 | ||
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Brilliant Lanafuchsin SL( Carbotex Consultants )