Acid Red 141
1. Molecular formula:C20H13N2NaO4S |
2. Molecular weight:400.38 |
3. Structure formula: |
4. CAS NO.:5850-93-1 Acid Red 141 |
5. Appearance: Red powder. |
6. Specification: Strength 200% |
7. Usage: Mainly used in dyeing ofwool and worsted goods. |
8. Packing, storage and transportation: Packed with 25KG cartons, allows to be tansported by the general means. |
Properties and Applications: red. Soluble in hot water for red, slightly soluble in cold water and ethanol. The strong sulfuric acid to red light purple, diluted precipitation is brown; In nitric acid solution for yellow brown; In a dilute sodium hydroxide solution for yellow brown solution. In water solution to join hydrochloric acid with brown precipitation; Add sodium hydroxide solution to become yellow.
Acid Red 141
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 2-3 | 2 | 1 | 3 | 1 | 1 | 2 | 3 |
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