| Customization: | Available |
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| CAS No.: | 3520-42-1 |
| Formula: | C27H29N2NaO7S2 |
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Ranbar Magenta SR1220-2 is a bright blue-red (magenta) acid anionic dye based on the Xanthene structure. It has a color index of Acid Red 52, appears as a reddish-brown powder, and boasts a high concentration, resulting in a vivid and bright color. This dye demonstrates excellent dyeing performance, but it has relatively poor lightfastness.
Ranbar SR1220-2 Acid Anionic Dye dissolves in water and ethanol, producing a Magenta solution with a fluorescent effect. In concentrated sulfuric acid, it turns orange and becomes red when diluted. The addition of sodium hydroxide to the solution results in a light blue-red color.
| Appearance and properties | Reddish brown powder |
| Coloring intensity | 100±3% |
| Drying weight loss (volatile matter 105ºC) | ≤5.0% |
| PH value | 6.0-8.0 |
| Insoluble matter content | <0.20% |
| Water content | ≤5.0% |
| Lightfastness | 2-3 grade |
Acid Anionic Dye Ranbar Magenta SR1220-2 features a vibrant color, strong dyeing power, and good dye evenness. However, it exhibits a lightfastness of only 2-3 levels and is sensitive to water stains. Therefore, it is suitable for dyeing textiles with bright colors but low colorfastness requirements.
Ranbar Magenta SR1220-2 Acid Anionic Dye primarily used for dyeing wool and woolen fabrics, as well as for silk, nylon, or blends of silk and nylon. Additionally, it finds applications in the dyeing of leather, paper, wood, water-based inks, and can be utilized for coloration in daily chemical products and cosmetics.
| Color Model | Index number | Color hue | Characteristics and applications |
| Rose SR1220-2 | Acid Red 52 | Blue-Red +1 | Acid dyes Anionic dyes Water-soluble dyes Slightly higher sunlight resistance grade
Wool |
| Big red SR1610-2 | Acid Red 18 |
Yellow-Red, Deep Red
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| Yellow SR3080-2 | Acid Yellow 23 | Red-Yellow | |
| Grass green SR4360-2 | Mixed | Yellow-Green | |
| Blue SR5030-2 | Acid Blue 7 | Green-Blue +1 | |
| Blue SR5028-2 | Acid Blue 9 | Green-Blue |
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