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HS Code |
382765 |
| Cas Number | 12220-28-9 |
| Ec Number | 235-436-3 |
| Molecular Formula | C27H32N2O6S2Na2 |
| Molecular Weight | 606.66 g/mol |
| Appearance | Blue powder or granules |
| Solubility In Water | Soluble |
| Color Index Number | C.I. 14645 |
| Ph Value 1 Solution | 6.0-8.0 |
| Chemical Class | Anthraquinone dye |
| Maximum Absorption Wavelength | 600-605 nm |
| Usage | Textile dyeing, paper, leather |
| Synonyms | Sulfan Blue, C.I. Acid Blue 168 |
As an accredited Acid Blue 168 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Acid Blue 168 is packaged in 25 kg net weight fiber drums lined with plastic bags for moisture protection and secure storage. |
| Shipping | Acid Blue 168 is shipped in tightly sealed containers, typically plastic or fiber drums, to prevent moisture absorption and contamination. The product should be stored and transported in cool, dry conditions, away from direct sunlight and incompatible substances. Proper labeling and documentation are required to comply with chemical safety regulations. |
| Storage | **Acid Blue 168** should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances such as strong oxidizers. Avoid moisture and high temperatures. Proper labeling is essential to prevent accidental misuse. Use protective equipment during handling and store away from food and drink to avoid contamination. |
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Purity 98%: Acid Blue 168 with purity 98% is used in textile dyeing processes, where it ensures vibrant shade reproducibility and high color fastness. Particle Size <20 microns: Acid Blue 168 with particle size below 20 microns is used in high-definition printing inks, where it delivers uniform dispersion and consistent print clarity. Stability Temperature up to 120°C: Acid Blue 168 with stability temperature up to 120°C is used in wool dyeing applications, where it maintains color integrity during high-temperature processing. Molecular Weight 604.66 g/mol: Acid Blue 168 with molecular weight 604.66 g/mol is used in paper coloring, where it provides stable hue intensity and controlled absorption. Solubility in Water >30 g/L: Acid Blue 168 with solubility in water above 30 g/L is used in leather finishing, where it offers rapid solution preparation and homogeneous dye uptake. Melting Point 250°C: Acid Blue 168 with melting point at 250°C is used in plastic coloration, where it supports thermal stability and prevents discoloration during molding. Viscosity Grade Low: Acid Blue 168 with low viscosity grade is used in aqueous coating formulations, where it achieves smooth flow and even pigment distribution. Light Fastness Grade 5: Acid Blue 168 with light fastness grade 5 is used in outdoor signage printing, where it provides enhanced resistance to fading from UV exposure. |
Competitive Acid Blue 168 prices that fit your budget—flexible terms and customized quotes for every order.
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For years, as a manufacturer deeply involved in the world of synthetic dyes, we've seen trends, challenges, and discoveries up close. Acid Blue 168 stands out in the market not because of fleeting trends, but because it meets key expectations from the textile industry every day on the production floor. This product, known under the Chemical Abstracts registry number 12220-26-1, offers a detailed balance of performance and reliability, which isn't always easy to achieve with blue acid dyes.
Acid Blue 168 comes as a dark blue powder, easily recognized among other blue dye stocks. We produce it using carefully controlled sulfonation steps, always following an internal protocol refined over years of hands-on practice. What emerges is a dye that retains vividness even after repeated processing, and that's the core demand we hear from our partners in manufacturing: repeatability and trust in every batch.
Looking at what sets Acid Blue 168 apart, solubility and consistency come up often. This dye dissolves well in water, producing clear, brilliant solutions without heavy foaming or significant sediment, which operators on the line regularly appreciate. It shows a high absorption coefficient, leading to deep shade development even at lower dosages. Our customers frequently note the strong build-up in color intensity under varying temperature and pH conditions, which streamlines adjustments during production runs.
Acid Blue 168 handles both wool and nylon substrates confidently. On nylon fibers, it delivers uniform penetration and excellent lift, helping achieve the kind of level dyeing that minimizes rework. Wool, with its natural variability, benefits from the even saturation that Acid Blue 168 offers. The product resists dye migration—a persistent issue with lesser blue acid dyes—resulting in more predictable shades. Operators can cut down on corrections and touch-ups, which translates directly into savings across the line.
Producing Acid Blue 168 consistently has taught our team about critical process controls. Small fluctuations in raw material purity can impact shade depth or brightness, so we test every input before it meets the reactors. Whether it’s the selection of intermediates or the rate of sulfonation, every detail matters. Our production crews monitor reaction temperatures to prevent by-product formation, ensuring that each lot of Acid Blue 168 aligns with expectations on shade and solubility.
Particle size may sound like a detail, but our experience says it means everything to how the dye mixes, disperses, and flows through automated equipment. We grind and sieve each batch to a fine, even powder. This step reduces the risk of clumping during batching in large-scale kitchens and shortens the time operators spend manually breaking up aggregates. Feedback from dye houses has shaped our particle size targets—shifting from tradition, we respond to what works best at the plant, not just on paper.
Acid Blue 168 finds daily use in dye houses specializing in rich blue shades for apparel and carpet fibers. In our experience, the product excels during exhaust and continuous dyeing processes. With acid dyes, strike rate governs the way color uptake happens. Our field visits and collaborations show Acid Blue 168’s strike rate sits at an optimal point—fast enough to avoid waste, but controlled enough for accurate matching. On continuous ranges for nylon carpeting, this dye creates strong, repeatable shades, reducing the number of off-shade rolls.
Color fastness has practical meaning for end users—a point that only emerges after garments or floor coverings see regular washing or sunlight. Through both our in-house tests and customer feedback, Acid Blue 168 generally meets industry standards for wet- and light-fastness. Competitive products have been known to bleed or fade early; with Acid Blue 168, customers routinely report that items maintain their rich blue appearance over time. Handling losses from returns or complaints can sap a plant’s resources, so dependable fastness protects both brand reputation and margins.
Many blue acid dyes jostle for position in the market, but comparative experience illustrates clear differences. Acid Blue 168 achieves deeper blues at lower concentrations than the likes of Acid Blue 9 or Acid Blue 193, helping manage raw material costs without sacrificing color. Dye build-up stays linear over a broad range of depths, which empowers process engineers to ramp up or dial down shade intensity with predictable results.
We've had direct feedback about washing behavior. In trials run side-by-side with other blue acid dyes, Acid Blue 168 showed much less wash-off, cutting post-dye rinsing cycles. Reducing rinses not only saves water and energy but also shortens throughput time, which most operators appreciate during busy seasons.
Because Acid Blue 168 offers superior compatibility with other acid dyes, manufacturers can assemble more comprehensive color palettes. Teams who blend dyes find that this product integrates cleanly—without the muddiness or shift in hue that shows up with lesser products. For complex tones in fashion or industrial fabrics, this compatibility backs up tight shade matching not only in lab trials but also in everyday runs.
Long-term reliability is grounded in quality control. From raw material sourcing through final checks before shipping, we follow a detailed regimen. Each lot receives in-depth analysis—shade strength, purity, moisture content, solubility, and foreign content are all scrutinized. Through the years, after reviewing feedback from textile plants and audit results, we've adjusted our protocols. For instance, we introduced additional screenings for shade variations after seeing a trend in customer complaints about minor color fluctuations. Consistent feedback cycles allow us to adjust formulation or processing parameters and revalidate every change through actual application tests.
Our lab technical staff keeps a direct line with high-volume users, so questions and improvement needs travel quickly back to production. In some cases, a dye lot adjustment is made before bulk shipping—saving time for both sides. Our bulk customers say this direct communication helps minimize disruptions. Linked with regular batch analysis, this approach keeps Acid Blue 168 at a standard that matches real-world operations rather than theoretical data sheets.
Today’s marketplace expects more than just price or color—it requires responsibility. Acid Blue 168 production lines invest in effluent controls and recovery systems to limit any discharge of unreacted dye or process chemicals. Our facility routinely audits water streams and waste treatments, maintaining compliance with prevailing regulations and standards. Regulators, both local and international, place a premium on traceability, and each drum of our product can be traced back through its production batch and raw material sources.
Our sustainability journey includes continuous updates to purification and recycling systems. Early efforts focused on meeting new wastewater limits. More recently, our team has pursued reductions in energy use per kilo of produced dye and introduced solvent recovery projects. It’s common for customers—especially international buyers—to request detailed documentation on compliance. We maintain transparent records, audited by outside laboratories, to support their own regulatory submissions. Our commitment isn’t about optics—it’s driven by practical recognition that environmental responsibility underpins both reputation and future business continuity.
Manufacturing Acid Blue 168 isn't immune to challenges. Shifting costs of aromatic intermediates, inconsistent supply chains, and fluctuating utility rates can all impact pricing and availability. We’ve weathered tight markets by building diverse relationships with chemical suppliers, often securing backup sources for critical ingredients. During market disruptions, like port shutdowns or supply bottlenecks, we prioritize communication with our regular accounts, giving them reliable forecasts rather than surprises.
Sometimes, customers request variations tailored to specific process conditions. For instance, a dye house running at higher pH or temperature might need adjustments to ensure optimal shade. Our technical team works alongside the plant to understand their specific system—whether that's a change in dispersant, finer milling of powder, or a tweak to the sulfonation stage. We learn from each case and very often, those learnings inform our main production line improvements.
Outside of textiles, Acid Blue 168 finds a place in the paper and leather industries. In these sectors, demands shift—brightness, bleed, and migration resistance often rank as top concerns. Our product supports these needs with the same combination of solubility and fastness proven in dyeing textiles. Feedback from downstream users shapes our approach, prompting us to refine grinding and filtration steps to cut down on particles that could cause streaking or irregular marking, especially in fine leather.
Printing inks and marker pen formulations carve out another area of use. Here, purity and the absence of coarse particles drive the requirements. Ink manufacturers work closely with us to ensure the dye integrates with binder systems and avoids common pitfalls like settling or plugging. Years spent responding to these crossover industries deepen our understanding of product performance under different process parameters.
In our experience, continuous improvement thrives on open feedback, both positive and challenging. Teams at dyeing plants and textile mills, often under pressure to deliver fast and cost-effective production cycles, routinely send performance reports. We take these seriously, using them to guide our internal audits, training, and process investments. If a shade shift or blending issue arises on a customer’s line, a plant visit often provides quicker insight than days of remote troubleshooting.
On occasion, we’ve revised grinding operations or upgraded purification equipment based directly on feedback from bulk customers. This flexibility builds trust on both sides: customers see their needs reflected in product evolution, while we gain deeper insight into new challenges as industry standards shift. The most robust partnerships emerge not from rigid procedures, but from this shared responsibility for continuous progress.
Handling Acid Blue 168 safely sits at the forefront of our operation. We invest in ongoing worker training to reinforce the importance of care when managing powder dyes. Crews receive practical sessions covering proper mixing, dust control, storage, and cleanup. Over years of refining these procedures, accident frequency has dropped, and our teams carry this awareness into every shift.
Our plant provides controlled air handling and protective gear to keep airborne dust to a minimum. Routine inspections and audits by safety officers close the loop, ensuring compliance with internal and external standards. Any incident—however minor—is investigated, followed by corrective action and training refreshers so it doesn’t repeat. Technical teams dedicated to quality and environment management work together to create products that support not only end users but the staff producing them.
The landscape of textile coloration keeps evolving, and Acid Blue 168’s design responds to practical industry changes over decades. We've shifted our formulation over the years to keep pace with new fiber technologies, process equipment, and environmental standards. Our focus remains on delivering the same core shade and performance loved by production teams, even as operational requirements shift around us.
Changes in machinery or new regulatory rules sometimes require rapid adjustments. Our in-house laboratories anticipate these shifts, running tests on new application technologies and checking compatibility with advanced finishing chemicals. If trial runs raise a need for slightly modified processes, our production and technical teams collaborate quickly to make necessary updates. These efforts cut down on customer downtime and product recalls, protecting both profitability and brand value for our partners.
Acid Blue 168's story runs deeper than technical bullet points. Decades of manufacturing, supply chain partnerships, laboratory improvements, and real-world application advice from textile dye houses shape this product’s track record. Ongoing dialogue with users, from large industrial clients to commercial printers, means we’re learning every year and investing in improvements that meet changing market realities.
On the production floor, Acid Blue 168 supports high standards set by demanding customers. It delivers deep, reliable blue shades with strong penetration, reduced rework, and minimized wash-off. Its proven track record across industries, a focus on operational safety and environmental compliance, and a willingness to listen to market feedback help safeguard lasting partnerships as the colorants landscape keeps moving forward.