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必应染料-您身边的染料专家

Direct Blue 29

Name:C.I.Direct Blue 29,C.I.27890

Molecular Structure: Double azo class

C.I.Direct Blue 29,C.I.27890,736.64,C30H22N6Na2O10S2,Icyl Blue 2R

C.I.Direct Blue 29,C.I.27890,736.64,C30H22N6Na2O10S2,Icyl Blue 2R

Molecular Formula:C30H22N6Na2O10S2

Molecular Weight: 736.64

CAS Registry Number:

Manufacturing Methods :  2-Amino-5-nitrobenzenesulfonic acid diazo, and 2-Amino-4-methylanisole coupling, again diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling.

Properties and Applications: blue-ray red. Soluble in water and ethanol is purple. The strong sulfuric acid for yellow green, diluted is shallow brown. The dye solution to join strong sodium hydroxide solution for blue light green, a black light blue precipitation.

Standard(Viscose) Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
AATCC 3 3-4 4 3 3

List of Suppliers:

Icyl Blue 2R ( Imperial Chemical Industries )


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