Acid Red 137
1. Molecular formula:C20H17N4NaO6S |
2. Molecular weight:464.43 |
3. Structure formula: |
4. CAS NO.:6222-63-5 |
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. |
Acid Red 137
Properties and Applications: yellow light red. Soluble in water for red, red orange for adequate soluble in alcohol. The strong sulfuric acid for product red, diluted into yellow orange. In water solution to join after strong hydrochloric acid red brown precipitation; Add thick sodium hydroxide solution into a yellow brown.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| AATCC | 5 | |||||||
Acid Red 137
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