Explore our foundational range of direct, acid, sulphur, and solvent dyestuffs engineered for diverse substrate operations.
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 is rigorously tested before sending to the port. Our ZDHC level 3 and GOTS certificates guarantee your product safety, compliance, and international commercial viability.
We pride ourselves on offering customized solutions. Our team of experts works closely with clients to understand their unique technical needs and delivers tailored products and services. Environmental protection is the cornerstone of our innovation. We dedicate ourselves to providing eco-friendly, high-performance colorants that balance productivity with environmental harmony, driving a sustainable future.
A comprehensive overview of CAS 12227-61-7 / 85029-57-8 and its metal complex characteristics for advanced chemical compounding.
Solvent Red 8 (commonly categorized under metal-complex dyes) is an organic solvent-soluble dye characterized by its brilliant red color and outstanding structural integrity. The molecule features a monoazo structure complexed with a transition metal (typically chromium or cobalt), which drastically enhances its environmental and physical resistance properties compared to non-complexed azo dyes.
The metal atom forms coordinate covalent bonds with the azo group ligands, locking the structure in a highly stable configuration. This configuration reduces the molecular vulnerability to ultraviolet light, high heat, and chemical solvents, which are common degradation factors in industrial coatings and polymer extrusion processes.
Due to its strong affinity for organic solvents, Solvent Red 8 dissolves readily in alcohols, esters, ketones, and glycol ethers, while exhibiting virtually zero solubility in water. This properties profile renders it indispensable for formulations requiring transparency, gloss, and absolute water resistance.
| Property Parameter | Technical Specification Value | Industrial Test Reference Method |
|---|---|---|
| Chemical Nomenclature | Metal Complex Solvent Red 8 (Azo Series) | CI Constitutional Index |
| CAS Registry Number | 12227-61-7 / 85029-57-8 | Chemical Abstracts Service |
| Physical Appearance | Uniform Red Powder | Visual Spectrophotometer Analysis |
| Thermal Stability (°C) | Up to 180°C - 200°C depending on carrier resin | DSC / TGA Thermal Analysis |
| Light Fastness (Blue Wool Scale) | 6 - 7 (Excellent performance in direct sunlight) | ISO 105-B02 Standard |
| Solubility in Alcohol (Ethanol) | ≥ 50 g/L at 25°C | Gravimetric Method |
| Acid & Alkali Resistance | Grade 4 - 5 (Highly resilient) | ISO 105-E01 / E02 |
| Moisture Content (%) | ≤ 1.5% | Karl Fischer Titration |
How shifting compliance targets, green chemistry, and performance thresholds drive the procurement of Solvent Red 8 worldwide.
Global standards such as ZDHC Level 3, GOTS, and EU REACH have restricted the permissible amount of free heavy metals in colorants. High-end procurement demands metal complex dyes that are strictly purified to meet these micro-impurities targets, reducing ecological liabilities for major retailers.
Modern applications in automotive coatings, architectural wood stains, and exterior plastics necessitate outstanding color fastness. Buyers are shifting away from budget acid dyes toward high-purity Solvent Red 8 to eliminate UV fading, migration, and structural bleeding under heat.
Regional distributors in North America, Western Europe, and Southeast Asia require structured logistics buffers and localization. Suppliers must provide standardized packaging, comprehensive SDS, and technical documentation to facilitate seamless customs clearing and port-to-factory supply.
Under the paradigm of China Factory 4.0, Tianjin Sunrise Chem Group has integrated state-of-the-art automation and environmental monitoring into our chemical synthesis reactors. This shift guarantees that our production runs remain continuous, independent of traditional manual labor shortages and environmental shutdowns.
By automating critical steps such as diazotization, coupling, and metal complexation, we minimize batch-to-batch variation. Standardized spectrophotometric instrumentation records color values in real-time, matching standard target parameters within a delta-E margin of less than 0.5.
Furthermore, our strategic partnerships with raw material suppliers and local logistics hubs in Tianjin Port allow us to maintain a robust supply chain buffer. This resilience shields our global partners from shipping delays, energy cost fluctuations, and raw material volatility, offering consistent, year-round cost-effectiveness.
How Solvent Red 8 is deployed across key vertical sectors, ensuring visual performance and material durability.
In high-end furniture and architectural wood finishing, Solvent Red 8 is dissolved in alcohols or ketones to create transparent stains. It enhances the natural wood grain definition without causing fiber swelling or grain raising, offering a rich mahogany or cherry finish that is resistant to solar fading.
Applied as a spray or roller coat on aniline and semi-aniline leathers, it delivers deep penetration and excellent color uniformness. It maintains color fastness and prevents dye migration under humid conditions or rubbing, preserving the premium leather texture over years of service.
For flexographic and gravure printing on plastic films, metal foils, and packaging substrates, Solvent Red 8 offers high tinctorial strength and transparency. It dissolves completely in ink solvent vehicles, avoiding nozzle clogging in fast-drying packaging processes.
Widely utilized in coloring polymethyl methacrylate (PMMA), polystyrene (PS), polycarbonate (PC), and styrene-acrylonitrile (SAN) resins. Its high heat stability ensures the dye does not decompose during polymer extrusion or injection molding, preserving absolute transparency.
Our complete range of industrial-grade colorants tailored for silk, wool, leather, yarn, paper, and polymer coloring.
A transparent look at our warehousing, shipping preparation, and logistics pipelines serving partners worldwide.
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. 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.
Find authoritative answers regarding product quality, ecological compliance, solvent solubility, and custom dye blending.
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