C.I. Direct Blue, heptasodium salt

Product Name
C.I. Direct Blue, heptasodium salt
CAS No.
6428-41-7
Chemical Name
C.I. Direct Blue, heptasodium salt
Synonyms
Direct Blue 175;C.I.Direct Blue 175:C.I.35465;C.I. Direct Blue, heptasodium salt
CBNumber
CB24794279
Molecular Formula
C52H38N11NaO25S7
Formula Weight
1464.34
MOL File
6428-41-7.mol
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Hazard and Precautionary Statements (GHS)

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C.I. Direct Blue, heptasodium salt Chemical Properties,Usage,Production

Preparation

5-Amino-2-(4-aminophenylamino)benzenesulfonic acid double nitriding, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? (2 Moore) coupled, then double nitriding, and 4-Amino-5-hydroxynaphthalene-1,3-disulfonic acid (2 Moore) coupled:

Properties and Applications

navy blue. Soluble in water for dark red light blue, insoluble in organic solvents. The strong sulfuric acid for blue-ray gray, diluted dark purple solution for blue-ray, and accompanied by precipitation; In 10% of sulfuric acid for shallow dark. The dye solution to join 10% sodium hydroxide solution for shallow dark.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
AATCC 5 5 5 3 5

C.I. Direct Blue, heptasodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

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