Direct Red 152
Name:C.I.Direct Red 152,C.I.28360
Molecular Structure: Double azo class
C.I.Direct Red 152,C.I.28360,CAS 5905-22-6,809.74,C36H25N7Na2O9S2
Molecular Formula:C36H25N7Na2O9S2
Molecular Weight: 809.74
CAS Registry Number:5905-22-6
Manufacturing Methods : 4-((4-Aminophenyl)diazenyl)benzenesulfonic acid diazo, and 6-[3-(4-Aminobenzamido)benzamido]-1-naphthol-3-sulfonic acid coupling.
Properties and Applications: red. Soluble in water for product red, slightly soluble in alcohol. The strong sulfuric acid for green light blue, pink solution for diluted, precipitation. The dye solution with strong hydrochloric acid have sauce red precipitate; Add thick sodium hydroxide solution has the purple precipitation.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 3 | 4 | 3 | 4 | 3 | ||
| AATCC | 4 | 4 | 4 | 4 | 4-5 | ||
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