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Acid Blue 23

Name:C.I.Acid Blue 23,C.I.61125

Molecular Structure: anthraquinones

C.I.Acid Blue 23,C.I.61125,CAS 33440-33-9,575.48,C22H15N3Na2O9S2,Light Blue 4G,Blue E-4GL

C.I.Acid Blue 23,C.I.61125,CAS 33440-33-9,575.48,C22H15N3Na2O9S2,Light Blue 4G,Blue E-4GL

Molecular Formula:C22H15N3Na2O9S2

Molecular Weight: 575.48

CAS Registry Number:33440-33-9

Manufacturing Methods :  (a) 5-Amino-8-bromo-9,10-dioxo-9,10-dihydroanthracene-1,6-disulfonic acid or 8-Amino-5-bromo-9,10-dioxo-9,10-dihydroanthracene-1,7-disulfonic acid and N-(4-aminophenyl)acetamide condensation; (b)  5-Amino-8-bromo-9,10-dioxo-9,10-dihydroanthracene-1,6-disulfonic acid or 8-Amino-5-bromo-9,10-dioxo-9,10-dihydroanthracene-1,7-disulfonic acid and and sodium sulfite deoxidization reaction.

Properties and Applications:  green light blue. The strong sulfuric acid for dark purple, diluted into blue light red

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 6 3 5 3 1 2 3 2
AATCC 5-6 4 4 3 1 1 4 4

List of Suppliers:

Alizarine Light Blue 4GL(Classic Dyestuffs Inc)

Sandolan Blue E-4GL( Clariant GmbH )


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