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Direct Red 113

Name:C.I.Direct Red 113,C.I.17880

Molecular Structure: Single azo class

C.I.Direct Red 113,C.I.17880,CAS 6417-31-8,892.8,C33H23N6Na3O12S4

C.I.Direct Red 113,C.I.17880,CAS 6417-31-8,892.8,C33H23N6Na3O12S4

Molecular Formula:C33H23N6Na3O12S4

Molecular Weight: 892.8

CAS Registry Number:6417-31-8

Manufacturing Methods :2-(4-Amino-3-sulfophenyl)-6-methylbenzo[d]thiazole-7-sulfonic acid diazo, and 7-(3-(4-Acetamidophenyl)ureido)-4-hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications: red. Soluble in water for big red, soluble in ethanol. The strong sulfuric acid for purple, diluted red orange for brown. The dye solution to join strong hydrochloric acid have orange brown precipitation; Sodium hydroxide solution with thick red precipitate.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
AATCC 4 5 5 2 2

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