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1,1-Bis(4-aminophenyl)cyclohexane double nitriding, respectively with the 7-Hydroxynaphthalene-1,3-disulfonic acid and4-Hydroxynaphthalene-1-sulfonic acid coupling.
Product Name:Acid Red 374 150%
Molecular Structure: Double azo class 
Molecular Formula:C38H29N4Na3O11S3
Molecular Weight: 882.82
CAS Registry Number:6507-78-4
Manufacturing Methods : 1,1-Bis(4-aminophenyl)cyclohexane double nitriding, respectively with the 7-Hydroxynaphthalene-1,3-disulfonic acid and4-Hydroxynaphthalene-1-sulfonic acid coupling.
Properties and Applications: colourful red yellow light. Dark red powder, soluble in water for orange red, slightly soluble in ethanol for golden brown. The strong sulfuric acid to red light purple, to orange diluted. The dye solution to join strong hydrochloric acid for orange red, add thick sodium hydroxide solution for orange brown. Used for wool, silk and polyamide fiber dyeing.
Counter Product:Sandolan Scarlet N-GR,Kenamide Scarlet KBR,Best Acid Milling Scarlet FGGL
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 5 | 4-5 | 5 | Acid | 4-5 | 5 | ||
