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HomeProduct name listDirect Yellow 48

Direct Yellow 48

  • Molecular Weight: 0

What is Direct Yellow 48?

Preparation

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.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 2 2-3 5 1-2 2

Safety information for Direct Yellow 48

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