Direct Blue 45

Product Name
Direct Blue 45
Chemical Name
Direct Blue 45
Synonyms
Direct Blue 45;C.I.Direct Blue 45:C.I.24310
CBNumber
CB89702932
Formula Weight
0
MOL File
Mol file
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Hazard and Precautionary Statements (GHS)

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Direct Blue 45 Chemical Properties,Usage,Production

Preparation

3,3′-Dimethoxylbenzidine double nitriding, first and 7-Hydroxynaphthalene-1-sulfonic acid, and then in three alkaline conditions and 4-Amino-5-hydroxynaphthalene-1-sulfonic acid coupling.

Properties and Applications

dark blue. Soluble in water for hidden cyan, soluble in ethanol for purple. The strong sulfuric acid for green light blue, blue for red after diluted. The dye solution to join strong hydrochloric acid as dark blue; Add thick sodium hydroxide solution for purple.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 5 4 1 4 2-3
AATCC 4-5 4-5 2 2-3 2-3

Direct Blue 45 Preparation Products And Raw materials

Raw materials

Preparation Products

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