Direct Red 81

Product Description

Direct Red 81 Dyes belong to the category of Dyes having CAS number 2610-11-9/12237-71-7. The synonyms of Direct Red 81 Dyes are Direct Fast Red 4B, Direct Fast Red 8B, Direct Red 4B, Duasyn Direct Red 8B, Pergasol Red 2B. The molecular weight of Direct Red 81 Dyes is 675.6 g/mol and the molecular formula is C29H19N5Na2O8S2. The colour index number is 28160. The physical appearance of Direct Red 81 Dyes is Red.


Consistent Color Performance

Direct Red 81 ensures vibrant, long-lasting coloration for various industries. Its excellent solubility and high purity (99%) mean output remains reliable batch after batch. Thanks to its stability and resistance properties, the dye provides consistent results even under demanding conditions like frequent washing and exposure to light.


Versatile Industrial Applications

This direct dye is commonly used in textile dyeing, but it's equally suited for paper and leather processing. Its adaptable crystalline powder form and customizable size option allow easy integration with diverse production processes. The dye's strong anionic character further improves its affinity for cellulosic fibers, enhancing dye uptake.


Safe Handling and Storage Recommendations

To maximize shelf life and maintain performance, store Direct Red 81 in a well-ventilated, cool, dry area. The product is non-flammable and delivered in sturdy 25 kg HDPE drums, minimizing risk during transport and storage. Despite its industrial-grade safety profile, it is poisonous if ingested-exercise caution when handling.