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| Product Name: |
Disperse Violet H-FRL |
| Index Number: |
C. I. Disperse Violet 26/31 |
| Chemical Structure: |
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| Formula: |
C26H18N2O |
| Molecular Weight: |
422.44 |
| CAS NO.: |
52671-38-2 |
| Properties: |
Reddish brown granules or powder. Soluble in alcohol. Change to colorless with concentrated sulfuric acid. Yellow light red after diluted. Insensitive with calcium and magnesium ion, slightly influenced by iron ion, significantly influenced by copper ion. Suitable dyeing PH is 3~8, non-alkali-resistance. |
| Quality standards: |
1. Appearance: Reddish brown granules or powder;
2. Shade: Similar to standard product;
3. Strength, point: 100±3 of standard product;
4. Diffusivity, level: ≥4;
5. Color fastness on polyester fabric, level: comply with standard product. |
| Use: |
Polyester dyed by this product is red pale purple. It is suitable for the dye of polyester and and its blending fabrics and shade adjustment in fluorescent brightening. It is used in high temperature and high pressure or P/C blending thermosol dyeing. The dyeing shade of three acetate is similar to that of polyester. It cannot be used in the dyeing of diacetate fabric, cotton and acrylic fabrics. Used in direct printing of polyester but not the background color of discharge printing. It can be mixed with stannous chloride for color discharge printing. |
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