Acid Blue 29
Name:C.I.Acid Blue 29,C.I.20460
Molecular Structure: Double azo class
C.I.Acid Blue 29,C.I.20460,CAS 5850-35-1,616.49,C22H14N6Na2O9S2,Acid Blue 2BS,Blue G,acid Navy S-BL
Molecular Formula:C22H14N6Na2O9S2
Molecular Weight: 616.49
CAS Registry Number:5850-35-1
Manufacturing Methods : M-nitroaniline diazo, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid in acid conditions coupled, its product again with diazo of aniline in alkaline conditions coupled.
Properties and Applications: navy blue. Soluble in water and soluble fiber element for navy blue, soluble in ethanol. The strong sulfuric acid blue light in green, blue after diluted precipitation. In water solution to join 10% sulfuric acid as blue; Add 10% sodium hydroxide solution for purple
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 6 | 2 | 1-2 | 3 | ||||
| AATCC | 7-8 | 2 | 1 | 1 | ||||
List of Suppliers:
ABCOL Blue G( Abbey Color Inc. )
Acid Blue 2BS( S A des Ets. Steiner )
Bemacid Navy BL ( Berncolors-Poughkeepsie Inc )
Fabr acid Navy S-BL ( Fabricolor Inc. )