A high-performance anionic azo dyestuff designed for deep penetration, exceptional shade consistency, and optimized affinity values on diverse cellulosic substrates.
In modern industrial applications, Direct Red 239 stands out as a crucial disazo compound. It features a sophisticated molecular architecture designed to bind effectively with cellulose molecules via hydrogen bonding and Van der Waals forces. This chemical affinity ensures that paper manufacturers, textile mills, and packaging factories achieve exceptionally vibrant hues and stable light fastness metrics without complex mordant application processes.
By bypassing the necessity of heavy metal pre-treatments, Direct Red 239 aligns directly with modern green B2B colorant mandates. It behaves as a highly soluble salt, dissociating smoothly in aqueous solutions into dye anions that exhibit high substantive affinity for raw cotton fibers, viscose filaments, and recycled cellulose pulps. As an essential chemical compound for continuous dye bath operations, understanding its thermodynamic exhaustion behavior is key to optimizing commercial dyeing parameters.
| Technical Property | Direct Red 239 Specification | Industrial Standard Benchmark |
|---|---|---|
| Chemical Class | Disazo Compound | Anionic Azo Structure |
| Physical State | Fine Red Powder / Concentrated Liquid | Standardized Dust-free Powder |
| Solubility in Water | ≥ 40 g/L (at 90°C) | Industry Standard Acceptable |
| pH Stability Range | 6.5 - 9.5 | Optimal for Cellulose & Pulp Processing |
| Primary Application | Textile, Pulp Dyeing, Leather Finishing | Multi-substrate Dye Compatibility |
How top-tier paper mills, packaging plants, and global garment manufacturers deploy Direct Red 239 to balance production output speeds with stringent mechanical performance limits.
Demystifying pricing frameworks, raw material cost trends, and the balance between discount supply models and verified chemical stability.
In B2B dye procurement, the term Discount Direct Red 239 does not mean compromising chemical purity or batch reliability. Instead, it refers to structural pricing efficiencies gained through raw material security, large-scale continuous synthesis, and direct-from-factory logistics paths. Sourcing from factories that synthesize dye intermediates in-house minimizes supply chain markups, yielding direct cost savings for high-volume buyers.
At Tianjin Sunrise Chem Group, our optimized synthesis processes allow us to offer competitive rates without compromising E-E-A-T values. We achieve this by optimizing the diazotization and coupling reaction yields, reducing processing cycle times, and utilizing bulk-packed shipping options. For global importers, buying directly from our production site ensures reliable batch continuity and lowers total cost of ownership (TCO) across production pipelines.
Key cost factors to consider when evaluating Discount Direct Red 239 contracts:
Decades of manufacturing expertise, delivering certified organic textile dyes and high-performance industrial colorants worldwide.
Tianjin Sunrise Chem Group, specializes in manufacturing high-quality dyestuffs. Our extensive portfolio includes Direct dyes, Acid dyes, Basic dyes, Sulphur dyes, Solvent dyes, Liquid dyes and Fluorescent dyes.
Backed by decades of industry and export experience, we have built a reputation for reliability and excellence, serving clients from diverse sectors including denim, textile, leather, paper and plastic.
We always highly focus on the goods quality and stability. Each shipment has been tested before sending to the port. ZDHC level 3 and GOTS certificate makes your quality guaranteed.
We pride ourselves on offering customized solutions. Our team of experts works closely with clients to understand their unique needs and delivers tailored products and services. We actively seek strategic partnerships to expand our reach and enhance our offerings. Collaborate with us to explore mutual growth opportunities.
Cooperating with textile and paper mills for many years shows that the factory has established a strong and reliable business relationship. This kind of long-term collaboration can bring numerous benefits, such as consistent orders, shared resources, and mutual support. It also indicates that the factory has a good track record of delivering quality products and meeting the needs of its partners. Our mission is to drive business growth by providing reliable and customized products. Our goal is to make a significant contribution to our customers' success by consistently delivering first-class products and exceptional customer service. By building lasting partnerships, we strive to be a catalyst for our clients' success.
Environmental protection is the cornerstone of our innovation. We dedicate ourselves to provide clients with eco-friendly, high-quality colorants that balance productivity with environmental harmony, driving the industry towards a more sustainable development path while delivering high-performance products—for a greener textile industry and a sustainable future.





Understanding the technical barriers and compliance pathways required for clean chemical footprints in modern dye supply chains.
The ZDHC (Zero Discharge of Hazardous Chemicals) program is a collaborative effort by leading brands, retailers, and suppliers in the textile and footwear industry to reduce the use of hazardous chemicals. The focus of this certification is on eliminating the release of hazardous chemicals into the environment throughout the entire supply chain. Achieving ZDHC certification indicates that our company has implemented robust chemical management procedures and has met the stringent requirements for chemical handling, wastewater treatment, and pollution prevention.
By securing ZDHC Level 3 status, Tianjin Sunrise Chem Group guarantees that our Direct Red 239 and adjacent products undergo rigorous, independent third-party review. This process verifies that they are free of restricted amines, heavy metal impurities, and ozone-depleting byproducts. This assurance allows commercial dye buyers to meet the chemical limits mandated by international brands and retail chains.
The Global Organic Textile Standard (GOTS) is a certification that ensures the organic status of textiles from the harvesting of raw materials to environmentally and socially responsible manufacturing. The GOTS certification guarantees that the textiles are made from organic fibers, that chemical inputs are minimized, and that strict environmental and labor standards are met throughout the production process. GOTS certified products are considered to be sustainable, safe, and ethical.
Both certifications are important in the context of sustainable and responsible textile production. ZDHC focuses on the elimination of hazardous chemicals, while GOTS certification guarantees the organic and ethical aspects of the textile production.
Continuous evolution in chemical synthesis and physical properties to address the demanding performance standards of next-generation manufacturing.
A transparent look inside our warehouses, specialized container loading processes, and industrial-scale colorant supply workflows.
With years of experience, we have successfully established strong partnerships in many countries. Our dedication to meeting global demands and exceeding customer expectations has earned us a reputation as a reliable supplier worldwide. If you are looking for reliable, high-quality Dyes, we invite you to choose us as your trusted partner.
We not only produce and export dyes, pigments but also prioritize long-term cooperation with our customers, providing them with quality services that exceed their expectations. Allow us to explain why choosing us is the best decision for your business.
One of the main reasons why customers choose us is the stable supply of dyes we provide. We have developed efficient manufacturing processes to ensure a continuous supply of our products. Our factories feature state-of-the-art equipment and a knowledgeable workforce, which enables us to fulfill the most demanding orders. With us, you can begin your manufacturing journey with confidence knowing that dye availability will never be an issue.
Apart from a steady supply, the quality of our dyes is another reason why we stand out in the market. We, SUNRISE CHEM, take pride in our commitment to producing dyes that consistently meet high standards of quality. Our experienced technicians carefully monitor the manufacturing process, ensuring that each batch of dyes is carefully tested for color fastness, durability and other essential parameters. By choosing us, you can rest assured that your products will stand out in the market due to the vibrant and long-lasting color our dyes provide.
How we build long-term, mutual B2B partnerships through transparent manufacturing and technical field support.
We firmly believe in building relationships with our clients based on trust and mutual benefit. We know that our customers' success is our success, so we are committed to providing quality services to meet their needs. Our dedicated customer support team is on hand to address any questions or concerns you may have. We value your feedback and strive to continuously improve our operations to serve you better. Our purpose is not just to supply dyes, but to be your trusted partner in achieving your business goals. By choosing us, you choose a partnership built on reliability, transparency and mutual success.
In a word, when choosing a dye factory with stable supply, high quality and excellent service, we are your best choice. With our attractive range of dyestuffs, coupled with our professional and customer-centric approach, we assure you that your decision to choose us as your preferred dyestuff factory will be a fruitful one. Contact us today and let's embark on a journey to success together.
Our long-term collaboration with major global mills is supported by a comprehensive technical assistance program. We offer color matching services, optimization of dye recipes, and assistance with environmental audits. These services help clients resolve production challenges quickly and reduce overall downtime.
Whether you require standard packaging configurations or custom dye concentrations, our technical team works to meet your requirements. We coordinate closely from the sampling stage to final bulk shipping, helping you maintain consistent operations at every step.
Explore our extensive, high-affinity direct, acid, and sulphur dye lines designed for demanding industrial operations.
Providing direct answers to essential technical, logistical, and safety compliance questions regarding Direct Red 239.