Featured commercial solutions for global paper, textile, and industrial coloring processes
In-depth analytical briefing on high-affinity anionic dyestuffs
Acid Red 14, chemically indexed as C.I. 14720 (commonly known as Carmoisine or Chromotrope FB), is a classic synthetic disazo dyestuff widely acknowledged for its intensive dark-red hue and excellent affinity toward nitrogenous fibers. Over the last decade, the global synthesis and application paradigms for Acid Red 14 have shifted significantly due to stricter environmental laws and advanced textile engineering processes. Modern chemical industries utilize Acid Red 14 extensively across wool, silk, nylon, and leather surfaces, relying heavily on its molecular configuration to provide high solubility and stable covalent bonds under moderately acidic dyeing conditions.
As the market dictates a push toward green manufacturing, major global dye manufacturers have transitioned their production lines. Modern developments place a heavy emphasis on reducing heavy-metal contamination and carcinogenic intermediate residues (such as unsulfonated aromatic amines) in the final powder formulation. This industrial evolution has positioned Acid Red 14 not only as a commodity chemical but also as a high-purity technological dye capable of meeting the stringent requirements of high-performance technical textiles and luxury leather commodities.
The manufacturing process of Acid Red 14 relies on the coupling of diazotized 4-amino-1-naphthalenesulfonic acid with 4-hydroxy-1-naphthalenesulfonic acid. Sunrise incorporates advanced automated crystallization and membrane filtration systems to remove organic impurities and inorganic salts (such as sodium chloride and sodium sulfate). This results in standardizing dye strength at 100% to 150% concentration with significantly lower ash content, ensuring consistent dissolvability and eliminating the risk of specking on delicate fabrics.
Addressing supply chain challenges, quality thresholds, and volume pricing dynamics
Enterprise buyers from multinational textile brands look for highly consistent color values (delta E < 0.5) to avoid batch-to-batch variation, which causes costly dye-lot rejections.
Strict import regulations in European and North American markets mandate compliance with chemical regulations such as EU REACH, OEKO-TEX Standard 100, and ZDHC guidelines.
Procuring raw chemical powders requires moisture-proof, heavy-duty packaging (typically 25kg iron drums or carton boxes with double PE liners) to preserve quality during transoceanic shipping.
Your trusted partner in high-grade dyestuffs and pigments
Tianjin Sunrise Chem Group, specializes in manufacturing high-quality dyestuffs. Including 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.
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.
Optimizing dyehouse operations and enhancing color fastness on diverse substrates
Acid Red 14 demonstrates an outstanding exhaustion rate under pH 4.5 to 5.5 conditions. Our technical application support engineers assist factories in programming heat curves, starting from 40°C and ramping at 1.5°C/min to 98°C, which minimizes structural tension on nylon and wool, leading to highly uniform leveling and saving up to 15% in processing time.
In chromium-tanned and vegetable-tanned leather processing, dye penetration is crucial to avoid surface scraping flaws. Sunrise's highly soluble Acid Red 14 penetrates deeply into the grain of the hide, yielding deep, rich carmine shades that retain their color under intensive polishing, buffing, and environmental weathering.
Demonstrated capability in large-scale storage, quality packaging, and prompt container loading
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.
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.




sulphur black warehouse
liquid dyestuff
SULPHUR BLACK CONTAINER LOADING
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LIQUID DYES CONTAINER LOADING
Logistics & Operations
Fulfilling absolute requirements for green sourcing and chemical transparency
In the modern textile supply chain, ecological parameters are no longer optional. Industrial dyers face intense scrutiny regarding wastewater discharges and chemical risks. Utilizing certified dyestuffs like Sunrise Acid Red 14 guarantees that you remain compliant with the latest regulatory changes.
ZDHC Certification (Zero Discharge of Hazardous Chemicals): The ZDHC 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.
GOTS Certification (Global Organic Textile Standard): 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. By aligning with Sunrise, enterprises secure a supply chain free from restricted substances and compliant with international export mandates.
How Sunrise is leading the color chemistry transformation with AI-driven testing and eco-innovation
The next generation of dyestuff manufacturing will be defined by digitization and hyper-efficient synthesis. Sunrise Chem Group is investing in custom automated synthesis lines that utilize real-time analytical spectroscopy. This enables continuous inspection of reaction mixtures during the azo-coupling phase of Acid Red 14, eliminating deviations before they arise.
Additionally, our future roadmap focuses on building "salt-free" variants of our entire acid dye catalog. Excess salt content in traditional dye formulations increases TDS (Total Dissolved Solids) in wastewater, creating massive filtration burdens for dyehouses. By implementing advanced reverse-osmosis purification, our next-generation Acid Red 14 will offer elevated color yield at lower concentrations, drastically reducing chemical runoff and lowering water reclamation costs for our industrial partners globally.
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.
Technical answers to crucial procurement and application queries regarding Acid Red 14
Broaden your production spectrum with high-level color fastness alternatives