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Solvent Orange 2 (CAS Registry Number: 2646-17-5), chemically identified as 1-(o-tolylazo)-2-naphthol, is a high-performance monoazo dyestuff defined by its superior affinity for organic solvents, polymers, waxes, and synthetic elastomers. Its chemical structure features an aromatic system that guarantees brilliant, deep orange coloration alongside exceptional physical stability profiles.
Unlike water-soluble dyestuffs, Solvent Orange 2 displays optimal solubility in non-polar media, including toluene, xylene, mineral oils, and aliphatic hydrocarbons. It provides key performance metrics that modern chemical compounders and polymer manufacturers demand: high thermal stability (resisting thermal degradation at processing temperatures up to 280°C), minimal migration tendency inside synthetic matrices, and high resistance to acidic and alkaline environments.
As standard-setting China Solvent Orange 2 factories, modern manufacturing processes must strictly balance chemical efficacy with environmental compliance. Standard batch controls demand high chromatographic purity (HPLC assessment indicating >98% active dye content) and minimal trace metal impurities. This ensures compatibility with demanding engineering plastics such as polymethyl methacrylate (PMMA), polystyrene (PS), and acrylonitrile butadiene styrene (ABS).
An extensive overview of international trade routes, consumption paradigms, and supply continuity strategies.
Industrial growth across Asia-Pacific and Latin America drives the demand for polymer-soluble colorants. Solvent Orange 2 plays an essential role in masterbatch fabrication, wire cladding coloration, and automotive component molding, creating a highly competitive market for premium-grade factories.
With strict international supply chain regulations, leading manufacturers stabilize procurement by sourcing raw materials directly, minimizing intermediate pricing fluctuations, and ensuring batch-to-batch chemical reliability.
Ongoing investments in R&D aim to improve solvent dye performance. This focus helps develop dust-free micro-granule configurations that optimize processing safety and dispersion uniformity in plastic manufacturing.
Tianjin Sunrise Chem Group specializes in manufacturing high-quality dyestuffs. Our comprehensive product portfolio includes Direct dyes, Acid dyes, Basic dyes, Sulphur dyes, Solvent dyes, Liquid dyes, and Fluorescent dyes, serving a variety of global industries.
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 prioritize consistency and product reliability above all. Each shipment undergoes testing before delivery, ensuring compliance with international quality standards. Furthermore, our ZDHC Level 3 and GOTS certificates ensure that your quality and safety requirements are consistently met.
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 providing 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.
How Solvent Orange 2 performs within precise chemical architectures across modern industrial domains.
Used extensively in coloring rigid thermoplastics like GPPS, HIPS, SAN, PMMA, and PC. It provides outstanding dispersion, ensuring uniform coloration in thin-walled packaging and precision-molded consumer products without causing structural defects or degradation.
A key component in coloring lubricants, motor oils, industrial greases, and petroleum fuels. Its high solubility ensures it remains fully integrated into hydrocarbon matrices over long storage periods, without precipitation or degradation under thermal stress.
Used in formulating transparent spirit lacquers, wood coatings, and foil printing inks. The dye coordinates well with nitrocellulose, acrylic, and shellac resins, producing vibrant, high-transparency finishes that highlight the natural grain structure of high-end wood.
Our international distribution framework ensures reliable, timely delivery to our partners worldwide.
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.
High-affinity colorants optimized for leather, silk, wool, and paper substrate modification.
Our logistical operations adhere to rigorous global transport and delivery standards.
We not only produce and export dyes and 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.
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 Level 3 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.
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.
We comply with rigorous global chemical frameworks to ensure our products meet international safety and environmental regulations.
Driving innovations in industrial colorants through advanced chemical engineering and green chemistry.
Developing next-generation solvent dyestuffs compatible with low-VOC, bio-based solvent matrices to meet stricter global environmental and occupational safety regulations.
Transitioning batch diazotization processes to microchannel reactors. This technology improves reaction control, reduces thermal accumulation, and lowers raw material consumption.
Using reflectance spectrophotometry and automated dosing platforms to ensure batch-to-batch consistency and color precision for global manufacturers.
Expert answers addressing the chemical properties, applications, and handling of Solvent Orange 2.
Solvent Orange 2 is a monoazo dye designed for organic solubility. It dissolves easily in aromatic hydrocarbons (such as toluene and xylene), chlorinated solvents, mineral oils, waxes, and natural/synthetic resins. It remains insoluble in aqueous solutions, making it ideal for moisture-resistant wood stains and plastic coloration.
Our Solvent Orange 2 is engineered to withstand heat up to 280°C. This thermal stability ensures that the dye does not decompose, shift in color, or degrade during the injection molding and extrusion processes of engineering plastics like PS, PMMA, and ABS.
ZDHC Level 3 is the highest certification level for chemical management. It ensures that the chemical formulations, raw materials, and intermediates used in our manufacturing processes do not contain restricted or hazardous substances. This verification protects your supply chain from environmental compliance issues.
Every production batch undergoes comprehensive testing in our laboratories. We use High-Performance Liquid Chromatography (HPLC) to verify chemical purity and spectrophotometers to guarantee color matching and shade consistency. Shipments are approved for dispatch only after meeting these standards.
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