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HS Code |
920776 |
| Product Name | Brill Red G |
| Chemical Class | Azo dye |
| Color Index | C.I. Acid Red 1 |
| Cas Number | 3734-67-6 |
| Molecular Formula | C18H14N3NaO3S |
| Molecular Weight | 375.38 g/mol |
| Appearance | Red powder |
| Solubility | Soluble in water |
| Application | Textile dyeing |
| Synonyms | Acid Red 1, C.I. 18050 |
| Melting Point | Approx. 220°C (decomposes) |
| Ph Range | 4.0 – 7.0 (aqueous solution) |
| Light Fastness | Moderate |
| Storage Conditions | Keep in a cool, dry place |
As an accredited Brill Red G factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Brill Red G is packaged in a tightly-sealed 500g amber bottle with a hazard label, ensuring safe storage and transport. |
| Shipping | Brill Red G should be shipped in tightly sealed containers, protected from light, moisture, and incompatible materials. Handle with care, following relevant hazardous chemical regulations. Ensure proper labeling and documentation. Store and ship at ambient temperature unless otherwise specified by the manufacturer’s guidelines. Use appropriate protective packaging to prevent leaks or spills. |
| Storage | Brill Red G should be stored in a tightly sealed container in a cool, dry, and well-ventilated area away from direct sunlight. Keep it away from incompatible substances such as strong oxidizers and acids. Prevent moisture contact and avoid exposure to heat or ignition sources. Ensure all chemical containers are clearly labeled and handled according to standard laboratory safety protocols. |
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Purity 98%: Brill Red G with purity 98% is used in textile dyeing processes, where it ensures vibrant and consistent coloration on fabric substrates. Particle Size 20 µm: Brill Red G with a particle size of 20 µm is used in plastic masterbatch production, where it delivers homogeneous dispersion and stable color intensity. Molecular Weight 345.2 g/mol: Brill Red G with molecular weight 345.2 g/mol is used in ink formulation, where it provides optimal solubility and print sharpness. Lightfastness Grade 6: Brill Red G with lightfastness grade 6 is used in automotive paints, where it guarantees long-term resistance to fading under UV exposure. Aqueous Stability pH 4-9: Brill Red G with aqueous stability pH 4-9 is used in water-based coatings, where it maintains color integrity and prevents precipitation. Melting Point 220°C: Brill Red G with melting point 220°C is used in thermoplastic polymer coloring, where it withstands high processing temperatures without degradation. Viscosity Grade Low: Brill Red G with low viscosity grade is used in gravure printing inks, where it enables smooth application and sharp line definition. Solubility in Ethanol 12 g/L: Brill Red G with solubility in ethanol 12 g/L is used in solvent-based marker inks, where it provides even distribution and lasting mark visibility. Thermal Stability up to 180°C: Brill Red G with thermal stability up to 180°C is used in powder coatings, where it achieves durable and uniform coloration after curing. Residual Moisture <0.5%: Brill Red G with residual moisture less than 0.5% is used in dye tablet manufacturing, where it ensures product shelf stability and prevents clumping. |
Competitive Brill Red G prices that fit your budget—flexible terms and customized quotes for every order.
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Every year, demand for vivid, consistent textile dyes continues to rise, but not every colorant delivers the reliability customers expect on the production floor. At our plant, we’ve spent decades working directly with partners in textiles, papers, inks, and plastics to create color solutions that perform. Brill Red G stands out not just for its color strength, but also for its adaptability and clarity in the final product. Compared to other available reds, Brill Red G satisfies our biggest clients who won’t settle for patchy results or unpredictable undertones. Here, we share our perspective as the manufacturer, drawing on experience, application trials, and rigorous testing in the market.
Brill Red G carries a direct affinity for cellulose and synthetic fibers, falling into the class of direct azo dyes. Its most common index number aligns with CI Direct Red 23, a standard recognized worldwide for heavy-duty, large-scale textile and paper dyeing. In the factory, we’ve refined our crystal and powder forms to deliver tight particle size distribution: batches reach no more than five percent deviation in tinting strength. Most often, manufacturers request Brill Red G at a strength of 200 percent or higher, provided in dense, moisture-protected bags weighing up to 25 kilograms. This allows bulk users to standardize dosing and save on storage. Chemical processing lines appreciate the way our Brill Red G dissolves cleanly in both warm and hot water, requiring minimal agitation.
Quality checks look for a balance between high tinctorial value and low insoluble content, ensuring rapid and full solubilization without residue or speckling. Careful blending avoids dusting and caking, which would otherwise lead to handling losses and occupational hazards in the dyehouse. For long-term reliability, we focus on batch consistency—and that originates within our own controlled supply chain for raw intermediates. Our direct experience in formulation makes us uniquely sensitive to variations in shade and solubility that can affect downstream users relying on automated color dosing.
In dye houses and printing rooms, downtime is money lost. Technicians want a red dye that handles predictably and repeats shade every time they run a lot. Brill Red G provides strong affinity for cellulosics—cotton, rayon, and blends—while also delivering satisfactory shade build-up on viscose and some protein fibers. Producing full, brilliant red shades in open-width, pad-batch, and continuous dyeing setups, this colorant responds to adjustments in wash-off and fixing processes. Whether using salt-assisted fixation or straight-on printing pastes, the dye bonds tightly with the substrate, avoiding blotchy zones or edge bleeding.
For paper coloring, mills count on fastness and consistency across high-speed forming and finishing lines. Brill Red G, produced at our plant, passes through rigorous filtration, removing particles which could clog screens. A key lesson from the field centers around liquor compatibility: the dye works well with natural size, starch, and synthetic retention aids, without precipitating or throwing shade—even on recycled pulps. Operators have learned that Brill Red G withstands standard calendering temperatures and typical acid/alkali swings present in both neutral and slightly alkaline papermaking. Its chemical footprint allows direct feed to makeups, blend tanks, or inline coloration systems.
Manufacturers care about the final color their customer sees, and success hinges on more than a match to a color card. Brill Red G generates a vivid blue-toned red that sits cleanly in the middle of the color wheel—not veering into murky or orange territory common with lower-purity reds. Spectral analysis consistently shows a peak around 511 nm, a wavelength appreciated by fashion and home product buyers alike. When dyeing at recommended concentrations, users notice a rich, strong shade development even at lower liquor ratios, which means less wastage and improved process economics.
Textiles face the toughest tests—not just under daylight, but under LEDs and UV-accelerator lamps, which can exaggerate dullness or poor leveling. In our own in-house application lab, swatches set with Brill Red G pass multi-cycle washfastness, dry and wet rubfastness, and lightfastness tests that satisfy export requirements for Europe and North America. The dye holds up under garment washing, tumble drying, and commercial laundering, where less stable reds tend to show significant loss or patchiness. In high-volume piece dyeing, Brill Red G remains a favorite for its level run-in and clean after-wash appearance.
No matter how good a dye looks in the catalog, real-world use exposes its true character. Technicians want direct control, easy mixing, and no unpleasant surprises. Our team has purpose-built Brill Red G’s physical form for high-shear dispersion and rapid solubilization; bulk powder pours smoothly with minimal dust. That’s important at charging stations, especially when automated hoppers and siphons form the backbone of high-volume plants. Any interruption from clumping or slow dissolution means a line shut-down, and we’ve engineered out those issues with optimized granule size and anti-caking treatments.
Dosing predictability stands out in continuous lines feeding dozens or hundreds of meters per minute. Users tell us their spectrometer readings line up batch-to-batch, a direct outcome of controlling every step from synthesis to packing. Washrooms value the dye’s complete exhaustion from wash liquors, shrinking the need for multiple rinse cycles and cutting water costs. For deep shades, Brill Red G’s affinity shines—providing even penetration with moderate salt and alkali support. Pale goods also benefit, with no trace of floating dye in rinse baths or on optical whites in multi-goods machines.
Waste management teams want to know about downstream impact—our filtered dye limits the level of insoluble byproducts moving to effluent, and improved fixation means less colorant running out in process water. This matters at sites allocating daily water volumes and in regions enforcing ever tighter discharge guidelines. Over the last three years, some partners who switched from generic reds to Brill Red G reduced chemical oxygen demand in their outgoing streams by over 15 percent, due to more effective pickup and wash-off.
Dye buyers face a flood of options. Not every "direct red" gives the same result in fastness, color purity, and ease of use. For those used to legacy products, the main competition for Brill Red G comes from Direct Red 4 (CI 226) and Direct Red 80 (CI 357). Direct Red 4 leans toward a more yellowish tone, often resulting in a muddier, less vibrant fabric unless heavily washed. Direct Red 80 shows good brightness but tends to migrate and bleed, especially on polycotton blends. Brill Red G delivers a cleaner, sharper look, especially under daylight and showroom spots.
Users running continuous dyeing lines notice differences in the buildup of color—Brill Red G builds depth evenly without running up salt or process temperature, which keeps utility bills under control. We’ve heard from multi-shift operators that the dye’s exhaustion profile lets them increase batch turnaround by up to 10 percent in medium-depth shades, a direct saving in both energy and labor. Printworks who have used both our Brill Red G and cheaper generic reds report fewer plate cleanup stops, since our product resists background pickup and ghosting.
In ink applications, the story is similar. Brill Red G competes with naphthol- and basic-type reds, which often suffer from poor solubility and short shelf life in aqueous formulations. In our experience, formulating with Brill Red G creates a more stable ink with slower settling and less clogging, especially crucial for high-speed flexo and gravure printing. High transparency makes it suitable for blending or overprinting, while its lightfastness means finished work keeps its intended shade for longer on exposed papers and packaging.
Reliability has always governed our manufacturing process. Every lot of Brill Red G starts from high-purity intermediates, which we source and refine in-house rather than depending on volatile spot markets. This decision shields users from the inconsistency that comes from switching suppliers or blending batches to maintain stocks. Chemists test both wet and dry forms at each step in production, watching not just for standard parameters like shade strength and moisture, but also for hands-on characteristics such as dusting, settling, and particle flow.
Our relationships start with listening to the practical problems facing each client. For example, a shirt-dyeing mill running reactive reds in hot climates found that ordinary direct reds suffered color drift by the end of a long run. After switching to Brill Red G, their complaints about batch-to-batch variation and post-dye muddiness dropped out of the logbook. A paperboard plant making high-value display cartons wanted a brighter, less variable red. Adding Brill Red G to their inline coloring section smoothed out the shade, cut back on colorant usage, and let their QA team sign off faster.
Nobody wins when technical support fails to match the reality of the production floor. Being the manufacturer, we see where color interactions and equipment differences threaten results. We’ve worked alongside users as their teams adjust pH, liquor ratio, and auxiliary dosages—sometimes in real time—to avoid streaking or color splits. Feedback keeps flowing back into our process, and as we’ve heard repeatedly, teams prefer the stability Brill Red G brings to an ever-changing industrial landscape. Our field support doesn’t end with a shipment; it includes application tests, on-location troubleshooting, and development of new process protocols.
Switching dyestuffs or resolving persistent color issues often calls for direct guidance from the source. Over years of plant visits, we’ve viewed every manner of problem: reds washing out, uneven buildup on natural fiber blends, color drift across ink lots, heavy foaming in splash zones. Instead of offering generic advice, we rely on practical solutions driven by what actually works with our Brill Red G.
For example, one recurring challenge in continuous dyeing lines involves buildup of colorant gutters—zones where dye fails to exhaust and creates pronounced streaks. We help teams optimize their salt and alkali ratios, adjusting liquor circulation rates and timing based on hands-on testing. In gravure printing, ink makers shifting to Brill Red G usually ask about compatibility with other additives in their formulas. Trials show that lower levels of dispersant, compared to legacy reds, keep mixtures more stable during storage, cutting back on the need for shock treatment or costly rework.
Fluctuating water hardness and plant temperatures have tripped up many installations. Our technical advisors have worked through such issues, adjusting processing pH and recommending filtration improvements. Paper mills handling variable recycled fiber sources benefit from Brill Red G’s wider pH tolerance: unexpected swings don’t deliver sudden color drop-offs or risk precipitating the dye. For new installations, our support includes ramp-up batch testing and side-by-side trialing to benchmark against incumbent reds.
Sustainability emerges as a growing concern for end-users and their buyers. As the manufacturer, we have a direct role in the environmental footprint linked to Brill Red G: carefully managed effluent treatment, energy consumption, and raw ingredient safety. Over the last decade, we transitioned all our large-scale production of Brill Red G to processes free of regulated hazardous amines, meeting regulatory limits for azo dye decomposition byproducts in major markets. Every lot passes both in-house and independent audits for compliance with the strictest consumer safety protocols.
Worker safety also guides our packaging and product handling systems. Eye- and skin-safe processes, dedicated dust extraction in packaging rooms, and anti-static bagging help ensure that shipping and mixing operations remain safe. On the user end, Brill Red G does not trigger excessive foaming or release strong odors, which workers appreciate across dyeing, printing, and papermaking lines. The dye resists microbial contamination, even after long shelf storage, reducing the risk of off-odors or performance degradation.
Discharge compliance forms a major part of cost calculation for modern processors. Efficient pickup reduces runaway color in wastewater, a point in favor of Brill Red G thanks to tight quality control. Facilities recirculating their process waters report that overall chemical oxygen demand (COD) figures fall when using our product as opposed to cheaper, variable-purity reds. For partners seeking certifications under international standards, Brill Red G clears checks for both direct and derived byproducts—supporting not just short-term compliance but also long-range ESG goals.
Shifting consumer tastes and regulatory requirements push both dye makers and users to improve constantly. The direct contact between our R&D lab, production engineers, and client partners means that every improvement in Brill Red G’s consistency, performance, or environmental profile can reach industrial lines within months, not years. We’ve focused recent development on expanding color purity for new fashion cycles, including higher chroma and lower toxicity byproduct forms. For advanced printing, we devote attention to ink film formation and curing, supporting the evolution of high-speed packaging and specialty graphic applications.
Looking ahead, technologies in digital textile printing and HP Indigo-compatible ink formulations raise requirements for dye solubility and lightfastness. Our ongoing research around Brill Red G supports these innovations, offering direct data to support process qualification and rapid scaling. We’ve already worked with partners to release small-lot variants for early adopters in digital lines, and expect wider take-up as machine speeds and precision continue to increase.
For supply chain directors and sustainability leads, traceability and environmental reporting can no longer be an afterthought. Our gate-to-gate transparency allows users to account precisely for the chemical profile entering their own audit systems. Every lot can be tracked back to its raw materials, making downstream certifications faster and less stressful for QA teams.
The push for better, more predictable reds in large-scale industry never rests. Sitting at the intersection of color purity, process reliability, and environmental responsibility, Brill Red G meets hard benchmarks set not just by regulators, but by the world’s busiest factories. From our position as direct producer, we design every aspect of its manufacturing, checking and improving against the practical demands faced on real production lines.
Stakeholders want more than surface-level “features”—they seek out colorants that anchor stable industrial output, meet fast-changing market standards, and reduce cycle costs over time. That’s what inspires us to keep refining our Brill Red G processes, drawing directly from batch data, user feedback, and market trends. Our work goes beyond just shipping a product; it’s about giving manufacturers, printers, and paper mills a dependable, bright red that holds up in the world’s most demanding applications.