dye|World dye variety

Name:C.I.Acid Red 214,C.I.19355

Molecular Structure: Single azo,Metal Complexes

C.I.Acid Red 214,C.I.19355,CAS 6656-02-6,428.31,C15H9N4NaO8S,Pilate Fast Red BEN

Molecular Formula:C₁₅H₉N₄NaO₈S

Molecular Weight: 428.31

CAS Registry Number:6656-02-6

Manufacturing Methods : 3-Amino-4-hydroxy-5-nitrobenzenesulfonic acid diazo, and Quinoline-2,4-diol coupling, and then in water solution and sulfuric acid chromium heating, in 125 ° C keep 2 hours to form chromium complex.

Properties and Applications: red. Soluble in water for purplish red color, not soluble in ethanol and acetone. The strong sulfuric acid to red light brown, diluted red for blue-ray. In water solution to join 10% of sulfuric acid slightly change to blue; With 10% of sodium hydroxide solution discoloration.

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Pilate Fast Red BEN( Classic Dyestuffs Inc )