dye|World dye variety

Name:C.I.Direct Yellow 48,C.I.23660

Molecular Structure: Double azo class

C.I.Direct Yellow 48,C.I.23660,582.51,C30H24N4Na2O6

Molecular Formula:C₃₀H₂₄N₄Na₂O₆

Molecular Weight: 582.51

CAS Registry Number:

Manufacturing Methods : 3,3′-Dimethylbenzidine double nitriding, and 2-Hydroxy-3-methylbenzoic acid (2 Moore) coupled.

Properties and Applications: red light yellow. Soluble in water for golden brown, and adequate soluble in alcohol. The strong sulfuric acid for purple, diluted for yellow olive. The dye solution to join strong hydrochloric acid for yellow olive, and have precipitation; Add thick sodium hydroxide solution for orange brown, have precipitation. Used for cellulose fiber dyeing, neutral and alkaline discharge is good.

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