Discount Direct Red 239 Manufacturers & Factories

Global High-Performance Direct Dyestuffs Sourcing, Regulatory Compliance, and Advanced Environmental Standard Integrations

Featured Dyestuffs & Intermediates Portfolio

High-Quality Solvent Yellow 145

High-Quality Solvent Yellow 145 Powder Solvent Dye for Plastic

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Sunrise Direct Red 28

Sunrise Direct Red 28 Used For Cotton Viscose And Silk

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China Solvent Dyes Blue 70

China Solvent Dyes Blue 70 for Wood Coating Ink Leather Aluminum Metal Foil

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Sunrise Solvent Orange F2g

Sunrise Solvent Orange F2g Dyes For Plastic Supplier

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Discount Liquid Red 254

Discount LIQUID RED 254 PERGASOL RED 2B PAPER DYE Manufacturer

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Discount Rhodamine B 540%

Discount Rhodamine B 540% Extra Incense Dyes Supplier

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Sunrise Direct Black 19

Sunrise Direct Black 19 Used For Dyeing Textiles Suppliers

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High-Quality Acid Red 18

High-Quality Acid Red 18 Used For The Textile Industry

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Industrial Chemistry & Deep Dive

Direct Red 239: Chemical Structure & Performance Profile

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.

  • Excellent Levelling Capacity: High dispersion behavior prevents localized blotching during high-speed paper pulping and yarn package dyeing.
  • Optimized Molecular Weight: Tailored molecular configuration balance ensures rapid diffusion rates inside cellular fibers at temperature curves ranging from 80°C to 98°C.
  • Post-Treatment Compatibility: Responds effectively to cationic fixing agents, raising structural water resistance and washing fastness values.
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
Macro Solutions

Global & Localized Application Scenarios

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.

Paper & Packaging Pulp Dyeing
In modern eco-friendly packaging manufacturing, Direct Red 239 is extensively used to color containerboards, corrugated boxes, and premium tissue products. Its chemical structures anchor swiftly to lignocellulose fibers, ensuring clear bleed resistance when exposed to moisture. Because the dye bonds without harsh mordants, it allows manufacturers to safely produce recycled packaging materials that meet strict contact-safety standards.
High-Volume Cellulose Textiles
For large-scale processing of cotton yarn, viscose linings, and silk blends, direct dyeing remains the most resource-efficient method. Direct Red 239 exhibits high exhaust curves under standard exhaust temperatures. It is widely applied in exhaust dyeing, padding operations, and garment processing, delivering saturated, bright crimson shades that serve as base tones for fashion and domestic soft furnishings.
Leather & Coating Customizations
The leather coloring segment benefits from the deep dye penetration profile of Direct Red 239. It diffuses evenly through the grain layer of chrome-tanned and vegetable-tanned leathers, preventing surface cracking or uneven shades during flexing tests. This capability makes it a popular choice for high-volume production runs of consumer accessories, automobile interiors, and upholstery components.
≥ 98%
Exhaust Efficiency
4-5 Grade
Dry Rubbing Fastness
< 100ppm
Free Formaldehyde Limit
100%
Batch Traceability
Commercial & Logistics

Sourcing Strategies: The Reality of "Discount" B2B Dyestuffs Sourcing

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:

  • Intermediate Market Fluctuations: Changes in the pricing of precursor amines directly impact final dyestuff costs. Choosing a manufacturer with deep material reserves stabilizes long-term contract pricing.
  • Logistical Consolidation: Standard packaging sizes (like 25KG cartons, bags, or bulk super sacks) help maximize shipping container space, reducing per-unit freight costs.
  • Exhaustion Ratios: Standardizing dye strength (e.g., 100% standard strength vs. concentrated grades) allows you to pay only for the active colorant mass you need.
Factory Profile

About SUNRISE Chem Group

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.

Sunrise Production Factory Ground View
Sunrise Chem Lab Facility

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.

ZDHC Certificate Logo
GOTS Certificate Badge
OEKO-TEX Certificate Badge
ISO Quality System Logo
Eco Passport Accreditation
Sustainability & Compliance

Chemical Compliance: ZDHC Level 3 & GOTS Certification Standards

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.

R&D Roadmap

Future Technical Roadmap of Direct Dyestuffs

Continuous evolution in chemical synthesis and physical properties to address the demanding performance standards of next-generation manufacturing.

01 Molecular Redesign
Research focuses on replacing classical aromatic amine components with safer alternatives that maintain high red saturation. This molecular redesign aims to preserve deep fiber fixation rates while eliminating trace bi-products, ensuring compliance with future updates to global chemical restricted substance lists (RSL).
02 Low-Salt Exhaustion Processes
We are working to reduce the electrolyte requirements (sodium sulfate or sodium chloride) needed during direct dye fixation. This initiative helps minimize salinity levels in textile effluent streams, reducing wastewater treatment costs for processing mills.
03 Dust-Free Formulation Tech
Our teams are developing advanced physical forms, including highly dispersible micro-granules and liquid formulations. These options help eliminate dusting hazards in packaging facilities, protecting plant personnel and improving weighing accuracy in automated dye dispensaries.
Operational Showcase

Industrial Logistics & Operational Projects

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.

Sulphur Black Warehouse Management
Sulphur Black Warehouse
Liquid Dyestuff Production Lines
Liquid Dyestuff Manufacturing
Sulphur Black Container Loading
Sulphur Black Container Loading
Direct Dyes Container Loading and Packing
Direct Dyes Container Loading
Liquid Dyes Container Loading Procedure
Liquid Dyes Container Loading
Sunrise High Capacity Packing Operations
Quality Control & Loading Operations

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.

Strategic Value

Industrial Integration & Global Client Partnerships

How we build long-term, mutual B2B partnerships through transparent manufacturing and technical field support.

Sunrise B2B Logistics Delivery Truck

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.

Sunrise Production Factory Aerial View
Product Catalog

Sunrise Specialized Chemical Dye Ranges

Explore our extensive, high-affinity direct, acid, and sulphur dye lines designed for demanding industrial operations.

Acid Red 14 Leather Applications

Acid Red 14 Application the leather industries

Detailed Technical PDF
Acid Orange 7 Powder

Acid Orange 7 Powder For Silk And Wool Dyeing

Detailed Technical PDF
Acid Black ATT Dyeing

Acid Black ATT Using for Yarn And Leather Dyeing

Detailed Technical PDF
Acid Black 1 Powder Dyes

Acid Black 1 Powder Dyes for Fingerprints

Detailed Technical PDF
Sulphur Blue BRN 150%

Sulphur Blue BRN 150% Violet Appearance

Detailed Technical PDF
Direct Yellow 86 Textile Dyestuff

Water Soluble Textile Dyestuff Direct Yellow 86

Detailed Technical PDF
Direct Yellow R Paper Coloring

Paper Coloring Dyes Direct Yellow R

Detailed Technical PDF
Direct Yellow 12 For Paper

Direct Yellow 12 For Paper Uses

Detailed Technical PDF
Iron Oxide Black 27 Plastic Application

Iron Oxide Black 27 Application On Plastic And Concrete

Detailed Technical PDF
Nigrosine Acid Black 2 Crystals

Shiny Black Crystal Nigrosine Acid Black 2

Detailed Technical PDF
Acid Yellow 36 Textiles

Acid Yellow 36 Color For Textiles

Detailed Technical PDF
Acid Red 73 Textile & Leather

Acid Red 73 For Textile And Leather Industries

Detailed Technical PDF
Knowledge Base

Technical & Sourcing FAQ

Providing direct answers to essential technical, logistical, and safety compliance questions regarding Direct Red 239.

Q1: What are the primary chemical structural components of Direct Red 239?
Direct Red 239 is an anionic disazo dye containing two distinct azo linkage groups that serve as chromophores. Its molecular design is optimized for high water solubility and cellulose substantivity. It possesses sulfonic acid sodium salt groups that dissociate in water, allowing the anionic dye polymer to interact directly with positive sites on cellulosic substrates, forming stable secondary valence bonds.
Q2: How does Direct Red 239 achieve better price efficiency in "Discount" supply contracts?
Cost efficiencies are achieved through vertical integration of raw materials and continuous processing lines. By synthesizing dye intermediates directly at our Tianjin facilities, we eliminate the logistics markups and trading overhead associated with traditional supply chains. This allows us to offer competitive direct-to-factory pricing structures for high-volume purchasing.
Q3: How does the dye behave under standard wastewater processing steps?
As a ZDHC Level 3 compliant colorant, Direct Red 239 is formulated to contain no priority hazardous substances. In mill wastewater streams, the dye can be decolorized using standard aerobic or anaerobic biological treatment systems, or through flocculation with cationic polymers. This ensures that discharge water meets municipal environmental requirements.
Q4: What post-treatment steps are recommended to improve the wash fastness of Direct Red 239 on cotton?
While direct dyes offer good leveling properties, their wet fastness can be enhanced by applying a cationic fixing agent during the post-dyeing rinse stage. Treatment with non-formaldehyde or low-formaldehyde fixing agents at 40°C–50°C forms insoluble complexes with the dye molecules inside the fibers. This process significantly improves washing, water-spotting, and perspiration fastness ratings to 4-5.
Q5: Can Direct Red 239 be used for food-contact paper packaging under FDA or European regulations?
Yes, our specialized GOTS-certified grades are formulated to meet international limits for food-contact materials, provided the paper mill's finished products pass bleed-fastness and migration testing (e.g., BfR recommendation XXXVI or US FDA guidelines). Please contact our technical department for grade-specific compliance certificates and batch reports.

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