dye|World dye variety

Name:C.I.Food Red 12,C.I.17200

Molecular Structure: Single azo class

C.I.Food Red 12,C.I.17200,CAS 3567-66-6,467.39,C16H11N3Na2O7S2

Molecular Formula:C₁₆H₁₁N₃Na₂O₇S₂

Molecular Weight: 467.39

CAS Registry Number:3567-66-6

Manufacturing Methods : aniline diazo, in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid coupling.

Properties and Applications:  red. Soluble in water, slightly soluble in ethanol for product red. The strong sulfuric acid for product red, diluted for orange red; In the light of nitric acid for palm red solution. The dye solution to join strong hydrochloric acid for red; Add thick sodium hydroxide solution for red light brown; Sodium hydroxide solution with thin brick red. And C.I.Acid Red 33 and the same chemical structure.

List of Suppliers:

Neelicol Acid Red 33( Neelikon Food Dyes and Chemicals Ltd )