Direct Red 47
Name:C.I.Direct Red 47,C.I.14985
Molecular Structure: Single azo class
C.I.Direct Red 47,C.I.14985,CAS 5858-74-2,599.57,C24H15N3Na2O7S3
Molecular Formula:C24H15N3Na2O7S3
Molecular Weight: 599.57
CAS Registry Number:5858-74-2
Manufacturing Methods : 4-(6-Methyl-2,3-dihydrobenzo[d]thiazol-2-yl)benzenamine diazo, and 8-Hydroxynaphthalene-1,6-disulfonic acid coupling.
Properties and Applications: blue light pink. Soluble in water for pink to red, and adequate soluble in alcohol. The strong sulfuric acid to red light purple, for dark orange red after diluted. The dye solution to join strong hydrochloric acid have big red precipitate; Add thick sodium hydroxide solution have sauce red precipitate.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 3-4 | 3 | 3 | 1 | 1-2 | ||
| AATCC | 4 | 1 | 3 | 1 | 1 | ||
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