dye|World dye variety

Name:C.I.Acid Blue 51,C.I.62145

Molecular Structure: anthraquinones

C.I.Acid Blue 51,C.I.62145,CAS 6424-88-0,488.45,C23H17N2NaO7S,Alizarine Levelling Blue 2R

Molecular Formula:C₂₃H₁₇N₂NaO₇S

Molecular Weight: 488.45

CAS Registry Number:6424-88-0

Manufacturing Methods : (a) 1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid and 3-Aminobenzoic acid condensation, and ethanol and sulfuric acid ethyl change, and finally into sodium salt; (b)1-Amino-4-bromo-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid and Ethyl 3-aminobenzoate in sodium bicarbonate and the presence of cuprous chloride condensation.

Properties and Applications: blue. Soluble in ethanol and soluble fiber element, insoluble in benzene, carbon tetrachloride, pottery, especially solvent. The strong sulfuric acid for green light blue, diluted into a red light blue solution, and the precipitation.

List of Suppliers:

Alizarine Levelling Blue 2R( American Aniline Products Inc.  )