|
HS Code |
879992 |
| Commonname | Acid Red 57 |
| Casnumber | 5281-04-9 |
| Molecularformula | C18H14N2Na2O8S2 |
| Molarmass | 496.42 g/mol |
| Appearance | Dark red powder |
| Solubilityinwater | Soluble |
| Iupacname | Disodium 3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]naphthalene-2,7-disulfonate |
| Dyeclass | Azo dye |
| Colorindexnumber | C.I. 16250 |
As an accredited Acid Red 57 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Acid Red 57 is packaged in a sealed 500g plastic bottle, labeled with hazard symbols, product information, and safety precautions. |
| Shipping | Acid Red 57 is shipped in tightly sealed containers to prevent moisture absorption and contamination. It should be transported in accordance with local and international chemical transport regulations, labeled clearly as a dye or pigment. Protect from heat, sunlight, and physical damage. Ensure compatibility with surrounding cargo and provide safety data documentation. |
| Storage | Acid Red 57 should be stored in a cool, dry, well-ventilated area away from incompatible substances, particularly strong oxidizing agents. Keep the container tightly closed when not in use to prevent moisture absorption and contamination. Store away from direct sunlight and heat sources. Use appropriate chemical storage containers, and always follow safety guidelines and local regulations for safe chemical storage. |
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Purity 98%: Acid Red 57 with 98% purity is used in textile dyeing, where it provides uniform color intensity and reliable shade reproducibility. Particle Size 4µm: Acid Red 57 with a 4µm particle size is used in aqueous printing inks, where it enables smooth dispersion and high print resolution. Stability Temperature 120°C: Acid Red 57 with a stability temperature of 120°C is used in wool dyeing processes, where it ensures color fastness under elevated processing temperatures. Molecular Weight 604.47 g/mol: Acid Red 57 with a molecular weight of 604.47 g/mol is used in cosmetic formulations, where it delivers consistent pigment strength and safe application profiles. Water Solubility 45 g/L: Acid Red 57 with a water solubility of 45 g/L is used in paper staining, where it ensures rapid dissolution and efficient absorption by paper fibers. Lightfastness Grade 4: Acid Red 57 with lightfastness grade 4 is used in food dyeing applications, where it maintains color stability under moderate light exposure. pH Range 4–6: Acid Red 57 with a pH range of 4–6 is used in leather dyeing, where it promotes optimal dye uptake and strong binding to leather substrates. |
Competitive Acid Red 57 prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615365186327 or mail to admin@ascent-chem.com.
We will respond to you as soon as possible.
Tel: +8615365186327
Email: admin@ascent-chem.com
Flexible payment, competitive price, premium service - Inquire now!
Walking through the factory floor, it’s impossible to miss the bins of vivid dyes waiting for the mixer. Among them, Acid Red 57 stands out. We’ve produced this dye for years, shipping it out in bulk to various industries. It isn’t just about filling orders. Quality, performance, and consistency are the standards we live by, and Acid Red 57 has earned its place for a reason.
Red dyes come in many types, but this one ties together reliability with ease of use. Countless batches of finished goods depend on even color, predictable results, and freedom from hard-to-treat impurities. Customers return for Acid Red 57 because we keep it clean and stable. Its chemical name, CI 16250, is known in the trade, but on our end, it’s about careful synthesis, strict purification, and honest lab results.
Our Acid Red 57 often comes as a powder or sometimes a granule, deep ruby-red at first glance. The technical grade runs at a purity level our QC team checks before it leaves our facility. Moisture content, water solubility, and dye strength are measured by hands trained to catch small variations – not just data on a screen, but color intensity on swatch after swatch.
Most customers ask about particle size, color shade, and compatibility with their processes. Over time, we’ve dialed in the methods: standardized milling times, consistent filtration, and accurate pH adjustments. Each production lot has a reference code, a sample in the archive, and a fingerprint in our database. Meeting a shade standard means more than ticking a box; it means watching cotton threads, wool panels, and paper strips take on color that lasts.
We’ve learned that some users want low-dust fine particles for easy mixing, while others prefer more granulated forms to avoid airborne residues. That feedback has driven changes on the production line. Whether you need 25 kg sacks for a textile plant or small barrels for laboratory use, the packing crew handles every lot with real attention.
We know the factories that rely on this dye are looking for color that holds, not just a quick-blush that fades or washes away. In textiles, Acid Red 57 offers wash-fastness that keeps T-shirts and uniforms looking sharp after repeated runs in the laundry. Wool, silk, and polyamide fibers take up the color beautifully, especially when processed through the right dye bath conditions.
Leather processing shops often drop by with unique batch requirements. Acid Red 57 gives them a crisp, even tone without the streaks seen with some older red dyes – and hides don’t turn blotchy. Papermakers use it in specialty overlays and greeting cards to get that vivid style customers notice on the shelf. Cottage cosmetic brands sometimes use our batches for bath bombs or soaps after running their own lab tests, drawn to the consistent results they’ve seen.
Each application brings its own surprises. Some customers use it for advanced research, running tests on color stability in cutting-edge applications. Others deploy it in marking inks or bright stains for biological applications, trusting our documentation and batch records to support regulatory filings.
There’s a crowded field when it comes to synthetic dyes, especially the red segment. We keep a library of samples and regularly test Acid Red 57 against alternatives like Acid Red 1, Acid Red 18, and Acid Red 131. One thing stands out: Acid Red 57 holds its color across wider pH ranges and delivers a true red tone, not the orange or pink cast seen in some other dyes. For textile applications, that gives end users confidence their deep reds won’t look faded under store lighting.
Some dyes bleed, migrate, or produce uneven results. Acid Red 57 resists both streaking and color migration. Leatherworkers, especially, come to us after struggling with products that bleed through their goods or lose color under sunlight. On the papermaking side, a few competitors’ reds give poor results after calendaring or coating. Our dye bonds well through those steps without fading or rubbing off during shipping and handling.
Cost is always in the mix. We see suppliers offering cheaper, lower purity reds – but field tests rarely lie. Colorfastness and batch consistency set Acid Red 57 apart. We send out thousands of samples for quality checks, and it’s not uncommon for customers to run their own tests and return asking for our original batches. Our own experience sees differences in solubility, depth of color, and staining strength compared to more budget-friendly choices. The expense of correcting a ruined batch with a second dye far outweighs the upfront savings of a bargain product.
Each shift starts with reactor charging and ends with filtration and drying. Quality comes from diligence at every stage: raw acid checks, controlled heating, careful pH adjustment, and steady monitoring of reaction time. A dedicated QC technician checks purity, color index, and solubility on every run. Shipment only moves after passing both machine analysis and hands-on color checks against trusted standards.
We’ve refurbished some older reactors and installed more accurate weighing systems over the past five years to tighten up our color consistency. Optical sensors check color strength, but the last word always goes to an experienced worker comparing lab-prepped swatches in proper lighting. Our best days are when customer complaints are zero and containers run out before inventory turns over.
Production does face hurdles. Switching between red dyes means a full clean-down to prevent cross-contamination, a process that’s more hands-on than some outsiders might guess. Residue from other red dyes can tint a batch or skew test results, so we keep full trace records on each lot. Documentation is part of our daily rhythm – not just paperwork, but the foundation for tracking down any issue that might crop up.
Making a dye isn’t only about reactors and test tubes. It takes people who’ve learned from hands-on experience. Our operators spot issues before they become problems – whether it’s a filtration slow-down or a dryer running cool. They’ve seen the headaches that come from a hurried batch or a shortcut in washing the kettles. It’s plain to see: the best results come from honest work, clean runs, and pride in each container that leaves our building.
Over the years, we’ve welcomed feedback from dyers, fabric finishers, papermakers, and craftspeople. No two applications are exactly the same, and every return gives us knowledge to refine the process. If a customer reports shades running too dark in a unique process or running light on a new fiber blend, we invite samples and run side-by-side tests until we’ve found what’s behind it. Technical support means having serious conversations, not just reading from manuals.
We also work closely with labs that check for unwanted traces of heavy metals or banned impurities. Compliance means more than passing a checklist – it’s about ongoing vigilance and being upfront with clients who need to know their products are safe. Customers trust us because our documentation lines up with their own test results, batch after batch. Surprises are rare, and if they do happen, they get our full attention.
Today’s world puts a premium on both safety and environmental impact. We’ve invested in closed-loop water systems, high-efficiency filters, and better solvent recovery units. The idea is simple: keep the waste down and make sure any by-products get handled properly. Acid Red 57’s production runs often generate acidic rinses and particulates, so we treat all effluent with strict controls – regularly audited, too.
We’ve replaced some older filtration media and tweaked reactor temperature controls to cut down on energy use. Operators trained in safe handling keep accidents rare. Personal protective equipment, regular audits, and open communication about near-misses all add up to a safer floor. That matters to us as much as it does to our clients. Anyone selling finished goods needs assurance their dyes were made in a responsible facility.
In the past few years, regulators have tightened controls on azo dyes and discharge effluents. We track changing standards and pre-register batches for audits when needed. Many of our customers want documentation for international markets, so we keep traceable batch records and testing results available. Responding quickly to new legal requirements takes good relationships with local authorities and science-based internal compliance systems.
Innovation doesn’t come strictly from the lab bench. Many improvements to our Acid Red 57 process started with customers pushing back on performance in textile dyeing or paper sizing. Some brought up shifting shade in high-shear mixing; others noticed fade on new biopolymers. We take that real-world feedback seriously. Instead of resting on old recipes, our chemists work to freshen up the formulation or tweak process steps, such as changing wash cycles or reviewing surfactant compatibility.
Customers working on smart textiles, new printing techniques, or custom blends run trials with our dye and keep us honest. If their results differ from ours – be it colorfastness, lightfastness, or batch yield – we stay in the conversation. That relationship between production and final application keeps the value of Acid Red 57 alive. Each season, we see new uses arise: high-visibility wear, special labels, decorative papers, creative crafts. Some end users work with us to build custom shades or blends on top of our reliable base dye.
Producing Acid Red 57 has become a partnership with those who use it daily. We know what happens if a shipment falls short of expectations, so our internal culture rewards early problem-solving and keeps lines of communication open. It’s not just orders and invoices; it’s a cycle of trust between manufacturer and maker, solution and success.
Raw material sourcing isn’t as easy as choosing the lowest price. Over our years, we’ve stuck with vetted suppliers who send consistent acid and intermediates. Supply chain issues do pop up – freight delays, packaging shortages, regulatory hiccups. Every day brings a fresh challenge to keeping both the production timeline and final product on target. When external causes threaten a run, we talk to clients honestly and look for workarounds together.
We also keep an eye on the environmental profile of each process stage, seeking greener alternatives where practical. Sometimes, the tech isn’t ready yet. Some eco-alternatives react differently or don’t deliver the color depth customers want. We keep experimenting alongside international partners, drawing on both legacy expertise and new research insights. Our commitment to cleaner water, lower emissions, and transparent reporting never stops.
For the years ahead, we’re expanding monitoring technology on the line, automating more of the batch control points, and keeping operator training current. Not every step has gone smoothly, but staying honest about the findings makes sure Acid Red 57 stays a trusted mainstay among synthetic dyes. Our most successful partnerships are built on shared objectives: color that meets tough standards, made safely, delivered predictably, supported by open data.
From our side of the fence, making Acid Red 57 means delivering trust. Each drum and bag leaving our warehouse stands for the long learning curve behind it, the day-to-day effort to control consistency, and our ongoing talks with those pushing for new applications. Where traders and resellers might chase quick closures, genuine manufacturers carry the responsibility of every test, every lot, and every satisfied customer at the end of the line.
We listen as much as we produce. Textile workers, paper mills, scientific labs – the questions and the feedback they send keep us moving forward. We’re not just shipping pigment in a box; we’re staking our name on every colorfast swatch, every research result that comes up clean, and every end product that makes a clear impression in the market. That’s the difference direct manufacturing makes, day in and day out.
We choose to make Acid Red 57 with accountability, precision, and the experience only time can teach. That is what we bring to our customers across industries and borders – not a commodity, but a commitment to real value, batch after batch.