Direct Yellow 48
- Product Name
- Direct Yellow 48
- Chemical Name
- Direct Yellow 48
- Synonyms
- Direct Yellow 48;C.I.Direct Yellow 48:C.I.23660
- CBNumber
- CB49703047
- Formula Weight
- 0
- MOL File
- Mol file
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Direct Yellow 48 Chemical Properties,Usage,Production
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 | ||
Direct Yellow 48 Preparation Products And Raw materials
Raw materials
Preparation Products
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Direct Yellow 48 Suppliers
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