Direct Orange 18
- Product Name
- Direct Orange 18
- Chemical Name
- Direct Orange 18
- Synonyms
- Direct Orange 18;C.I.Direct Orange 18:C.I.20215/20216/20230
- CBNumber
- CB39703000
- Formula Weight
- 0
- MOL File
- Mol file
Direct Orange 18 Chemical Properties,Usage,Production
Preparation
2-(4-Aminophenyl)-6-methylbenzo[d]thiazole-7-sulfonic acid diazo, Coupled with resorcinol; aniline diazo, and get the single accidentally nitrogen compounds coupling (20215). C.I. Direct Yellow 59 (C.I. 49000) diazo, Coupled with resorcinol;aniline diazo, and get the single accidentally nitrogen compounds coupling (20216). C.I. Direct Yellow 59?(C.I. 49000) (2 Moore) diazo, Coupled with resorcinol (20230).
Properties and Applications
orange to dark orange. Soluble in water for yellow brown, slightly soluble in alcohol. The strong sulfuric acid for orange red to brown, after dilute for orange brown. The dye solution to join strong hydrochloric acid have orange brown precipitation; Sodium hydroxide solution to a wine red precipitate. Used for cellulose fiber dyeing and printing, also can be used for leather and paper color. Copper ions in dyeing reddish dark colored.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 5 | 3 | 2 | 2 | 2 | ||
| AATCC | 5 | 2 | 1-2 | 3 | 1-2 | ||