dye|World dye variety

Name:C.I.Acid Orange 4,C.I.28690

Molecular Structure: Double azo class

C.I.Acid Orange 4,C.I.28690,CAS 5905-29-3,573.47,C21H13N5Na2O8S2,Primazine Orange G

Molecular Formula:C₂₁H₁₃N₅Na₂O₈S₂

Molecular Weight: 573.47

CAS Registry Number:5905-29-3

Manufacturing Methods :  3,4′-Disulfo-4-aininoazobenzene diazo, and Quinoline-2,4-diol coupling

Properties and Applications: yellow orange.

List of Suppliers:

Primazine Orange G( IG Farbenindustrie AG )