CAS · 860-22-0
Product Overview
Acid Blue 74 is a high-purity dyes-pigments supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Grade | CP2015 |
|---|---|
| Appearance | Powder |
| Odor | Odorless |
| Assay | 87% min |
| o-Aminobenzoic acid | 0.5 max |
| 5-Sulfo-o-aminobenzoic acid | 0.5 max |
| Racemic-5-acid | 0.5 max |
| Unsulfonated aromatic amines (as aniline) | 0.01 max |
| Water-insoluble matter | 0.2% max |
| Ether extract | 0.2% max |
| Sub-dyes | 6.0% max |
| Pathogenic bacteria total | 10³ cfu/g max |
| Mold and yeast count | 10³ cfu/g max |
| Escherichia coli | Not detectable |
| Lead (Pb) | 10.0 mg/kg max |
| Arsenic (As) | 2.0 mg/kg max |
| Mercury (Hg) | 1.0 mg/kg max |
| Manganese (Mn) | 50.0 mg/kg max |
Applications
Acid Blue 74 (CAS 860-22-0) is a synthetic anionic dye widely used in textile, paper, and leather industries. Its primary applications include dyeing natural and synthetic fibers such as wool, silk, and nylon, where it provides bright blue shades with good colorfastness. It is also employed in ink formulations, coatings, and plastics to impart vibrant blue coloration. Additionally, Acid Blue 74 can serve as a pH indicator in certain analytical applications due to its color-changing properties under different pH conditions, and it is sometimes used in biological staining for microscopy and laboratory research.
Benefits
The benefits of Acid Blue 74 stem from its high color intensity, solubility, and compatibility with a range of substrates. Its anionic nature allows strong interaction with cationic sites on fibers, ensuring uniform dye uptake and excellent wash and light fastness. The dye is stable under standard processing conditions, resistant to fading, and provides reproducible color results. Its versatility across textiles, inks, coatings, and laboratory applications makes it a reliable and widely adopted choice for both industrial and research purposes.
Conclusion
In conclusion, Acid Blue 74 is a versatile and high-performance dye used in textiles, inks, coatings, and analytical applications. Its vibrant coloration, stability, and substrate compatibility make it an essential component for industries requiring consistent and durable blue hues. By providing reliable and reproducible results, Acid Blue 74 continues to play a significant role in both commercial and scientific applications.
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