dye|World dye variety

Name:C.I.Food Orange 2,C.I.15980

Molecular Structure: Single azo class

C.I.Food Orange 2,C.I.15980,CAS 2347-72-0,452.37,C16H10N2Na2O7S2

Molecular Formula:C₁₆H₁₀N₂Na₂O₇S₂

Molecular Weight: 452.37

CAS Registry Number:2347-72-0

Manufacturing Methods : 3-Aminobenzenesulfonic acid diazo, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications: bright orange. Soluble in water for golden brown, slightly soluble in ethanol for light golden brown. The strong sulfuric acid in orange, orange for gold after diluted. The dye solution to join strong hydrochloric acid for golden brown; Add thick sodium hydroxide solution for red light orange brown.

List of Suppliers:

Food Orange 2( Pointing Ltd )