dye|World dye variety

Name:C.I.Acid Red 164,C.I.23250

Molecular Structure: Double azo class

C.I.Acid Red 164,C.I.23250,CAS 6598-54-5,759.72,C34H27N5Na2O9S2,Supranol Scarlet G

Molecular Formula:C₃₄H₂₇N₅Na₂O₉S₂

Molecular Weight: 759.72

CAS Registry Number:6598-54-5

Manufacturing Methods : 4-(4-Amino-2-methylphenyl)-3-methylbenzenamine double nitriding, respectively with the 4-Hydroxynaphthalene-2,7-disulfonic acid and 3-Oxo-N-phenylbutanamide coupling.

Properties and Applications: colourful red yellow light. Soluble in water for red, soluble in ethanol for orange. The strong sulfuric acid for cherry red; After diluted to orange. In water solution to join strong hydrochloric acid for red, add thick sodium hydroxide solution for yellow light brown.

List of Suppliers:

Supranol Scarlet G( Badische Anilin-und Soda Fabrik )