Direct Yellow 48
Direct Yellow 48 Basic information
- Product Name:
- Direct Yellow 48
- Synonyms:
-
- Direct Yellow 48
- C.I.Direct Yellow 48:C.I.23660
- MW:
- 0
- Mol File:
- Mol File
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Direct Yellow 48 Usage And Synthesis
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 | ||