dye|World dye variety

Name:C.I.Mordant Orange 19,C.I.16220

Molecular Structure: Single azo class

C.I.Mordant Orange 19,C.I.16220,CAS 5863-94-5,667.51,C25H16N3Na3O11S2,Chrome Fast Orange RD

Molecular Formula:C₂₅H₁₆N₃Na₃O₁₁S₂

Molecular Weight: 667.51

CAS Registry Number:5863-94-5

Manufacturing Methods : 3-Amino-4-methyl-3′-carboxy-4′-hydroxybenzanilide diazotization, and 2-Naphthol-5,7-disulfonic acid coupling.

Properties and Applications:  red orange. Soluble in water for golden orange, right amount soluble in ethanol to golden brown. In concentrated sulfuric acid for golden orange, orange for gold after diluted. Dye aqueous solution to join concentrated hydrochloric acid for orange; Join concentrated sodium hydroxide solution for brown light orange.

List of Suppliers:

Chrome Fast Orange RD(  Bayer Group )