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Acid Blue 98

Name:C.I.Acid Blue 98,C.I.50335

Molecular Structure: azine class

C.I.Acid Blue 98,C.I.50335,CAS 6378-89-8,783.89,C41H38N5NaO6S2,Supranol Fast Cyanine B

C.I.Acid Blue 98,C.I.50335,CAS 6378-89-8,783.89,C41H38N5NaO6S2,Supranol Fast Cyanine B

Molecular Formula:C41H38N5NaO6S2

Molecular Weight: 783.89

CAS Registry Number:6378-89-8

Manufacturing Methods : N-ethyl-N-benzyl-4-nitrosoaniline and N-phenyl-2-naphthylaminec condensation and oxidation of the product. Then with N1,N1-diethylbenzene-1,4-diamine and condensation of a mixture of  N,N-diethyl-4-nitrosobenzenamine and with 65% oleum disulfonated finally converted into sodium salt.

Properties and Applications:  red light navy blue. For the navy, soluble in water, soluble in ethanol to blue. The strong sulfuric acid for green, diluted into red purple. In water solution to join sodium hydroxide to purplish red color, and accompanied by precipitation.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 5 2 1 4 2 1 4-5 2
AATCC 5 3-4 3-4 1-2 1-2 1-2 4 4

List of Suppliers:

Supranol Fast Cyanine B( Bayer Group )


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