dye|World dye variety

Name:C.I.Acid Red 148,C.I.26665

Molecular Structure: Double azo class

C.I.Acid Red 148,C.I.26665,CAS 6300-53-4,482.49,C24H19N4NaO4S

Molecular Formula:C₂₄H₁₉N₄NaO₄S

Molecular Weight: 482.49

CAS Registry Number:6300-53-4

Manufacturing Methods : 2-Methyl-4-(o-tolyldiazenyl)benzenamine diazo, coupled with the 4-Hydroxynaphthalene-1-sulfonic acid.

Properties and Applications: blue-ray red. Slightly soluble in water, soluble in ethanol right amount to red. In the strong sulfuric acid as dark blue, diluted as a light red orange. In water solution to join strong hydrochloric acid have red brown precipitation; With strong sodium hydroxide solution for wine red, and then generate a purplish red precipitate.

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