dye|World dye variety

Name:C.I.Mordant Brown 65,C.I.28670

Molecular Structure: Double azo class

C.I.Mordant Brown 65,C.I.28670,CAS 5852-26-6,566.52,C26H19N6NaO6S,Chrome Brown ME

Molecular Formula:C₂₆H₁₉N₆NaO₆S

Molecular Weight: 566.52

CAS Registry Number:5852-26-6

Manufacturing Methods :  3-Amino-4-hydroxybenzenesulfonic acid diazotization, and 7-Aminonaphthalen-2-ol coupling, product to diazotization, with 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling.

Properties and Applications: red light brown. Soluble in water for brownish red. In concentrated sulfuric acid to blue light red. Dye aqueous solution to join concentrated hydrochloric acid have brown light red precipitation; Plus dilute sodium hydroxide solution for orange brown.

List of Suppliers:

Chrome Brown ME( Industria Chimica Dott  )