dye|World dye variety

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

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

List of Suppliers:

Alizarine Light Blue 4GL(Classic Dyestuffs Inc)

Sandolan Blue E-4GL( Clariant GmbH )