Ranbar Blue SR5030-2 Acid Dye for Wool
- Color Index: Acid Blue 7
- CAS Registry Number: 3486-30-4
- Molecular formula: C37H35N2NaO6S2
- Molecular weight: 690.81
- Molecular structure: Triphenylmethane
- Dye type: Acid dyes (anionic dyes)
- Solubility: easily soluble in water
- Color hue: greenish blue
| Appearance and properties | Blue powder |
| Coloring intensity | 100±3% |
| Bulk density | 0.5g/cm3 |
| PH value | 8.5-9.5 |
| Solubility (80℃) | 40g/L |
| Insoluble matter content | ≤1.0% |
| Water content | ≤5.0% |
| Lightfastness | Grade 2 |
Ranbar Blue SR5030-2 is a triphenylmethane-type acid dye for wool with a color index of Acid Blue 7. It appears as a blue powder and, when dissolved, exhibits vibrant greenish-blue tones and excellent dyeing intensity. This acid dye is widely utilized in the textile industry for dyeing wool products. It is generally easy to use and can produce a full and long-lasting greenish-blue effect, making it a common choice for dyeing wool products.
Ranbar Blue SR5030-2 acid dye exhibits excellent solubility in water, dissolving in water at room temperature to form a transparent light greenish-blue solution without a tendency to aggregate. The addition of sodium hydroxide induces a change, and upon heating to boiling, the color precipitates from blue to purple. It dissolves in ethanol, giving a blue color, turns olive green when exposed to concentrated sulfuric acid, and precipitates yellow upon dilution.
Ranbar Blue SR5030-2 acid dye for wool exhibits excellent color fastness and vibrant hues, primarily used in the textile industry for dyeing wool products. Additionally, it demonstrates strong affinity for various fibers, effectively combining with many different types of fibers and substrates. This characteristic extends its applications in the textile industry to dyeing and printing various fiber materials such as silk, yarn, nylon, and polyester fabrics. This acid dye can also be employed for coloring leather, rubber, paper, wood, soap, and cosmetics.
| Color Model | Color Index | 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 | |
| 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 |
