C.I. Direct Red 216
- Product Name
- C.I. Direct Red 216
- CAS No.
- 8004-49-7
- Chemical Name
- C.I. Direct Red 216
- Synonyms
- Direct Red 216;C.I. Direct Red 216;C.I.Direct Red 216:C.I.17815
- CBNumber
- CB84754365
- Formula Weight
- 0
- MOL File
- Mol file
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C.I. Direct Red 216 Chemical Properties,Usage,Production
Preparation
mixed N,N-dimethylaniline diazo, and 7-(4-Aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications
colourful red yellow light. Soluble in water for orange red to red, soluble in ethanol is palm light orange. The strong sulfuric acid for product red to red light purple, diluted in red. The dye solution to join strong hydrochloric acid have red precipitate; With sodium hydroxide have orange brown precipitation.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 5 | 4 | 2 | 3-4 | 4 | ||
C.I. Direct Red 216 Preparation Products And Raw materials
Raw materials
Preparation Products
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C.I. Direct Red 216 Suppliers
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