dye|World dye variety

Name:C.I.Acid Red 12,C.I.14835

Molecular Structure: Single azo class

C.I.Acid Red 12,C.I.14835,CAS 3746-79-0,502.43,C20H12N2Na2O7S2,Classic Acid Red 12

Molecular Formula:C₂₀H₁₂N₂Na₂O₇S₂

Molecular Weight: 502.43

CAS Registry Number:3746-79-0

Manufacturing Methods : 4-Aminonaphthalene-1-sulfonic acid diazo, and 5-Hydroxynaphthalene-1-sulfonic acid coupling.

Properties and Applications: blue-ray red. Soluble in water for product red, slightly soluble in ethanol, acetone, soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid for red light blue, pink solution diluted and appear to precipitate; In nitric acid, the orange into yellow solution. Its water solution to join strong hydrochloric acid for product red; Add sodium hydroxide for product red.

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Classic Acid Red 12( Classic Dyestuffs Inc )