dye|World dye variety

Name:C.I.Food Blue 5:2,C.I.42051:2

Molecular Structure: triarylmethane class

C.I.Food Blue 5:2,C.I.42051:2,CAS 20262-76-4,582.67,C27H31N2NaO7S2

Molecular Formula:C₂₇H₃₁N₂NaO₇S₂

Molecular Weight: 582.67

CAS Registry Number:20262-76-4

Manufacturing Methods :

Properties and Applications: bright blue. Soluble in water for blue, slightly soluble in ethanol for green light blue. The strong sulfuric acid for brown-olive yellow, yellow for deep diluted, and then to green. Dyes to join sodium hydroxide solution of the same color, heat into deep purple. And C.I. Acid blue 3 the same chemical structure, different salt ions.

List of Suppliers:

Patent Blue V 14621( D F Anstead )