In the global chemical supply ecosystem, Basic Orange (commonly referred to in the Color Index as Basic Orange 2 or Chrysoidine) represents a crucial cationic monoazo dye. Known for its intense color strength, remarkable affinity for anionic substrates, and affordability, this chemical compound serves as the cornerstone for multiple industrial coloring processes. The dye's primary molecular framework features a benzene ring coupled via an azo linkage to a 1,3-phenylenediamine residue, resulting in the structural formula C₁₂H₁₃ClN₄.
As leading suppliers in China, our technical production lines utilize highly controlled diazotization of aniline followed by coupling with meta-phenylenediamine. This rigorous chemical synthesis yields high-purity crystalline powder or liquid formats designed to dissolve quickly in aqueous solutions. The cationic nature of Basic Orange enables strong electrostatic interactions with negatively charged functional groups present in acrylic fibers, natural wood fibers, lignocellulosic paper pulps, and vegetable-tanned leathers. This strong bonding dynamic minimizes runoff, maximizes dye absorption, and produces bright, vibrant orange tones that remain stable under varied industrial processing environments.
Our research and development laboratory monitors every step of this process. The molecular weight distribution, pH compatibility, and dye concentration index are strictly checked using advanced spectrophotometers. This careful control ensures our global clients receive dyestuffs with consistent hue values, eliminating variations between batches that can disrupt large-scale manufacturing runs.
Procuring industrial dyes requires a deep understanding of shifting regulatory requirements, raw material supply lines, and global logistical networks. Currently, international buyers face strict controls regarding chemical purity, heavy metal content, and eco-toxicological parameters. When selecting a Chinese Basic Orange supplier, companies must look beyond basic pricing and verify the supplier's commitment to compliance and quality control.
Our direct integration with primary feedstock markets ensures we can maintain stable pricing for our clients, protecting them from sudden supply-chain disruptions.
We keep our products compliant with REACH, TSCA, and regional environmental standards, which allows for smooth customs clearance and import processes.
From standard bags to custom super sacks and liquid packaging, we provide tailored container loading styles that suit different storage and manufacturing setups.
To support high-volume, continuous manufacturing, we maintain robust inventory management protocols. Cooperating with textile, paper, and leather mills for many years shows that our factory has established a strong and reliable business relationship. This kind of long-term collaboration brings 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.
Basic Orange is used across several diverse industries due to its versatility and excellent binding capabilities. Below are the key sectors utilizing our dye formulations:
Excellent for coloring kraft paper, packaging board, and superstitious paper. It binds strongly to lignin-rich unbleached pulps, providing a deep, even color without bleeding.
Specifically formulated to dye polyacrylonitrile (acrylic) fibers. The cationic molecules react with anionic acid-modified acrylic sites to provide excellent wash and light fastness.
Used to stain vegetable-tanned and chrome-tanned leathers. It penetrates deep into the leather fibers to create bright, long-lasting surface finishes.
Used in temporary marking inks, fertilizers, industrial wood stains, and lacquer systems where rapid drying and high visual contrast are required.
Tianjin Sunrise Chem Group specializes in manufacturing high-quality dyestuffs. Our product range 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 strong reputation for reliability and excellence. We serve clients across diverse sectors, including denim, textiles, leather, paper, and plastics.
We always focus closely on product quality and consistency. Every shipment is fully tested before sending to the port. Our ZDHC Level 3 and GOTS certificates ensure our products meet strict international safety and quality standards.
We pride ourselves on offering customized solutions. Our team of experts works closely with clients to understand their unique needs and deliver tailored products. We actively seek strategic partnerships to expand our reach and improve our service. Collaborate with us to explore mutual growth opportunities.
Environmental protection is a core driver of our innovation. We are dedicated to providing clients with eco-friendly, high-quality colorants that balance productivity with environmental care. This helps guide the industry toward a sustainable future while delivering high-performance products for a greener textile industry.
In today's global market, environmental protection is vital. 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.
Achieving ZDHC Level 3 certification indicates that our company has implemented robust chemical management procedures and met the most stringent requirements for chemical handling, wastewater treatment, and pollution prevention.
The Global Organic Textile Standard (GOTS) ensures the organic status of textiles from raw material harvesting through to environmentally and socially responsible manufacturing. The GOTS certification guarantees that our processes minimize chemical inputs and meet strict environmental and labor standards.
Both certifications are vital in sustainable textile production. ZDHC focuses on the elimination of hazardous chemicals, while GOTS guarantees organic and ethical aspects. By maintaining these standards, we help our clients produce safe, compliant, and market-ready goods.
We prioritize long-term cooperation with our customers by providing consistent services that support their production needs. Here is a look at our daily operations and storage infrastructure:
Our modern facilities allow us to process large orders efficiently. Our factories feature advanced equipment and an experienced workforce, which ensures that dye availability remains stable even during peak demand periods.
Each batch of dyes is tested for color fastness, durability, and other essential parameters. By choosing us, you can trust that your products will stand out in the market with vibrant, long-lasting colors.
Beyond Basic Orange, our chemical group provides a comprehensive range of synthetic colorants designed for specific substrate applications. Browse our full range below:
As a major global supplier, we continue to invest in refining our chemical processes and developing sustainable practices. Our roadmap focuses on three main goals:
Replacing traditional fine powders with granular structures to minimize airborne particles during mixing. This improves safety for factory operators and reduces product waste.
Upgrading our manufacturing facilities to recycle over 90% of process water. This limits wastewater discharge and supports local environmental conservation efforts.
Expanding our liquid dye capacity to provide clients with easy-to-dose options. Liquid formulations help reduce energy consumption during the dissolving process in client mills.
Find answers to common technical and logistical questions about sourcing Basic Orange and other industrial dyestuffs.
Basic Orange is mainly used for coloring unbleached wood pulp, kraft paper, and packaging materials because it binds effectively to lignin. It is also widely used in dyeing acrylic fibers, vegetable-tanned leather, and industrial wood stains.
Every shipment undergoes analytical testing before leaving our facility. We use spectrophotometric analysis to check strength and color shade (delta E values) against established reference standards.
These standards verify that our products are manufactured without hazardous chemical pollutants. This helps our clients meet international environmental standards and pass regulatory audits in strict markets like the EU and USA.
We offer flexible packaging options including 25kg iron drums, carton boxes, woven bags, and custom super sacks for dry powders. For liquid formulations, we supply secure IBC drums.
It should be stored in a cool, dry, well-ventilated warehouse away from direct sunlight, moisture, and incompatible substances like strong oxidizing agents. Keeping containers sealed prevents moisture absorption and caking.
Sunrise
