dye|World dye variety

Name:C.I.Food Orange 4,C.I.16230

Molecular Structure: Single azo class

C.I.Food Orange 4,C.I.16230,CAS 1936-15-8,452.37,C16H10N2Na2O7S2

Molecular Formula:C₁₆H₁₀N₂Na₂O₇S₂

Molecular Weight: 452.37

CAS Registry Number:1936-15-8

Manufacturing Methods : aniline diazo, and 7-Hydroxynaphthalene-1,3-disulfonic acid coupling.

Properties and Applications: bright orange. Soluble in water for orange, slightly soluble in ethanol (shallow gold orange) and soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid for yellow orange, diluted for yellow; In nitric acid solution for deep red, orange turn after inflammation. The dye solution to join strong hydrochloric acid for yellow orange; Add thick sodium hydroxide solution for orange brown. And C.I. Acid orange 10 the same chemical structure.

List of Suppliers:

Neelicol Orange G ( Neelikon Food Dyes and Chemicals Ltd )

Raincol Orange G( Rainbow Dye-Tech (Pvt) Ltd )