dye|World dye variety

Name:C.I.Acid Red 25,C.I.16050

Molecular Structure: Single azo class

C.I.Acid Red 25,C.I.16050,CAS 5858-93-5,502.43,C20H12N2Na2O7S2,Scarlet 3BX

Molecular Formula:C₂₀H₁₂N₂Na₂O₇S₂

Molecular Weight: 502.43

CAS Registry Number:5858-93-5

Manufacturing Methods : 4-Aminonaphthalene-1-sulfonic acid diazo, and 7-Hydroxynaphthalene-1-sulfonic acid coupling.

Properties and Applications:  red. Soluble in water for red, and adequate soluble in alcohol. The strong sulfuric acid to red light purple, diluted in red. In aqueous solution to join strong hydrochloric acid for red; Add thick sodium hydroxide solution for yellow brown.

List of Suppliers:

Croceine Scarlet 3BX ( Frado )

Crooeine Scarlet 3BX(Classic Dyestuffs Inc)