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Direct Blue 130

Name:C.I.Direct Blue 130,C.I.27110

Molecular Structure: Double azo class

C.I.Direct Blue 130,C.I.27110,CAS 6226-70-6,695.63,C29H23N5Na2O9S2

C.I.Direct Blue 130,C.I.27110,CAS 6226-70-6,695.63,C29H23N5Na2O9S2

Molecular Formula:C29H23N5Na2O9S2

Molecular Weight: 695.63

CAS Registry Number:6226-70-6

Manufacturing Methods : N-(4-amino-2-methoxyphenyl)-3-oxobutanamide diazo, and 5-Amino-7-ehtoxy-2-naphthalenesulfonic acid coupling, its product to diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling, and then  hydrolyzed acetamido.

Properties and Applications: blue. Soluble in water for hidden cyan, slightly soluble in alcohol for green light blue. In the dark for the strong sulfuric acid, diluted for purple. The dye solution to join strong hydrochloric acid for violet black, precipitate; With strong for sodium hydroxide solution of dark, precipitation.

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

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