disodium 5-[(2,5-dichloro-4-sulphonatophenyl)azo]salicylate
disodium 5-[(2,5-dichloro-4-sulphonatophenyl)azo]salicylate Basic information
- Product Name:
- disodium 5-[(2,5-dichloro-4-sulphonatophenyl)azo]salicylate
- Synonyms:
-
- disodium 5-[(2,5-dichloro-4-sulphonatophenyl)azo]salicylate
- 5-[(2,5-Dichloro-4-sulfophenyl)azo]-2-hydroxybenzoic acid disodium salt
- C.I.14020
- C.I.Mordant Yellow 24
- C.I.Mordant Yellow 24:C.I.14020
- Mordant Yellow 24
- CAS:
- 6527-54-4
- MF:
- C13H6Cl2N2Na2O6S
- MW:
- 435.14708
- EINECS:
- 229-416-2
- Mol File:
- 6527-54-4.mol
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disodium 5-[(2,5-dichloro-4-sulphonatophenyl)azo]salicylate Usage And Synthesis
Preparation
4-Amino-2,5-dichlorobenzenesulfonic acid diazotization, and 2-Hydroxybenzoic acid coupling.
Properties and Applications
dark yellow to dark red light yellow. Soluble in water for yellow, moderate soluble in ethanol for green yellow. In concentrated sulfuric acid for orange to red, dilution after light green light yellow, In concentrated nitric acid for titian. Dye aqueous solution to join concentrated hydrochloric acid for green yellow; Join concentrated Sodium hydroxide solution for orange.
| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 3 | 4-5 | 4 | 4-5 | 5 | ||