必应染料-您身边的染料专家

Direct Blue 129

Name:C.I.Direct Blue 129,C.I.27095

Molecular Structure: Double azo class

C.I.Direct Blue 129,C.I.27095,CAS 8004-65-7,671.61,C30H19N5Na2O7S2,Diaminogen Blue BB

C.I.Direct Blue 129,C.I.27095,CAS 8004-65-7,671.61,C30H19N5Na2O7S2,Diaminogen Blue BB

Molecular Formula:C30H19N5Na2O7S2

Molecular Weight: 671.61

CAS Registry Number:8004-65-7

Manufacturing Methods :  5-Acetamido-8-amino-2-naphthalenesulfonic acid diazo, and Naphthalen-1-amine coupling, product to diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling, and then hydrolysis acetyl amino.

Properties and Applications: dark blue. Soluble in water for dark red light blue, not soluble in alcohol. The strong sulfuric acid in the navy for, for the red light purple diluted. The dye solution with 10% sulfuric acid micro turn dark; Add thick tiny change sodium hydroxide solution green.

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

List of Suppliers:

Diaminogen Blue BB( Carbotex Consultants )


2 Responses to “Direct Blue 129”

  1. […] C.I.Direct Blue 129 […]

  2. […] C.I.Direct Blue 129 […]

Leave a Reply