Reactive Yellow 18
- Product Name
- Reactive Yellow 18
- CAS No.
- 12226-48-1
- Chemical Name
- Reactive Yellow 18
- Synonyms
- Conreact Yellow AM;Reactive Yellow 18;Brill. Yellow K-4G;Procion Yellow P-4G;Begative Yellow P-4G;Kayacion Yellow P 4G;Sandalfix Yellow H4G;Viactive Yellow H4G.;Reactive Flavine K 4G;Helaktyn Yellow D 4GN
- CBNumber
- CB7874853
- Molecular Formula
- C25H16ClN9O13S4.4Na
- Formula Weight
- 0
- MOL File
- Mol file
Reactive Yellow 18 Chemical Properties,Usage,Production
Preparation
2-Aminobenzene-1,4-disulfonic acid and 2,4,6-Trichloro-1,3,5-triazine first condensation, and 2,4-Diaminobenzenesulfonic acid second condensation, its product diazo, and 1-(3-Sulfophenyl)-3-methyl-5-pyrazolone?coupling, and then salting-out.
Properties and Applications
colourful green light yellow. Golden yellow powder. The strong sulfuric acid for yellow; In the nitric acid is yellow, no change after diluted. The dye water solution is yellow, with 1 Moore sodium hydroxide solution, continue to add insurance powder and warm, there were no change color, add people had boric acid sodium to colorless. Used for cotton or viscose fiber dyeing, suitable for rolling roll piled up and roll dyeing process. Can be used for cotton or viscose fiber, the dye, direct discharge printing, also can be in silk or viscose filament fabric and printing.
| Standard | Light Fastness | Oxygen bleaching | Persperation Fastness | Soaping | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| ISO | 6 | 4( red ) | 5 | 4 | 4-5 | 4-5 | 5 |