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Direct Red 181

Name:C.I.Direct Red 181,C.I.26545

Molecular Structure: Double azo class

 C.I.Direct Red 181,C.I.26545,907.80,C42H28N11Na3O14S3


C.I.Direct Red 181,C.I.26545,907.80,C42H28N11Na3O14S3

Molecular Formula:C42H28N11Na3O14S3

Molecular Weight: 907.80

CAS Registry Number:

Manufacturing Methods : 2,4,6-Trichloro-1,3,5-triazine first and 3-Amino-4-hydroxybenzenesulfonamide diazo, and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid and coupled the product of condensation, then and C.I. Mordant Yellow 12 (C.I. 14045) condensation, and finally with aniline condensation.

Properties and Applications: dark red yellow light.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 2 4-5 6 4 5
AATCC 2 3 5-6 4 5

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