dye|World dye variety

Name:C.I.Acid Red 41,C.I.16290

Molecular Structure: Single azo class

C.I.Acid Red 41,C.I.16290,CAS 5850-44-2,706.52,C20H10N2Na4O13S4

Molecular Formula:C₂₀H₁₀N₂Na₄O₁₃S₄

Molecular Weight: 706.52

CAS Registry Number:5850-44-2

Manufacturing Methods : 4-Aminonaphthalene-1-sulfonic acid diazo, and 7-Hydroxynaphthalene-1,3,6-trisulfonic acid coupling.

Properties and Applications: colourful red blue light. Soluble in water for wine red, hardly soluble in alcohol. The strong sulfuric acid for purple, diluted for pink. Adding strong hydrochloric acid solution for wine red; Add sodium hydroxide for red brown.

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