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HS Code |
859459 |
| Product Name | Direct Deep Brown MN |
| Chemical Class | Azo dye |
| Cas Number | 6528-72-3 |
| Appearance | Dark brown powder |
| Molecular Formula | C26H20N6Na2O8S2 |
| Molecular Weight | 670.59 g/mol |
| Solubility | Soluble in water |
| Application | Textile dyeing |
| Color Index Number | Direct Brown 2 |
| Ph Range | 6-8 (1% solution) |
| Light Fastness | Moderate |
| Storage Conditions | Store in a cool, dry place |
| Odour | Odourless |
As an accredited Direct Deep Brown MN factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Direct Deep Brown MN features a 25 kg net weight, contained in a sturdy, sealed fiber drum with labeled details. |
| Shipping | Direct Deep Brown MN is shipped in tightly sealed, labeled containers such as fiber drums or HDPE bags to prevent contamination and moisture ingress. Transport complies with local chemical regulations, ensuring careful handling, protection from direct sunlight, and secure storage to avoid spillage or damage during transit. |
| Storage | Direct Deep Brown MN should be stored in a tightly sealed container in a cool, dry, and well-ventilated area. Keep it away from moisture, direct sunlight, and incompatible materials such as strong oxidizing agents. The storage area should be clearly labeled and access restricted to authorized personnel. Follow local regulations for chemical storage to ensure safety and environmental protection. |
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Purity 98%: Direct Deep Brown MN with purity 98% is used in cotton fiber dyeing, where it ensures rich color depth and uniform shade distribution. Molecular weight 650 g/mol: Direct Deep Brown MN at molecular weight 650 g/mol is used in paper coloration, where it achieves excellent penetration and lightfastness. Particle size <5 microns: Direct Deep Brown MN with particle size under 5 microns is used in textile printing, where it provides sharp pattern definition and minimal surface residue. Solubility 45 g/L at 60°C: Direct Deep Brown MN at solubility 45 g/L at 60°C is used in yarn dyeing, where it allows fast and complete dissolution, reducing processing time. Stability temperature up to 120°C: Direct Deep Brown MN with stability temperature up to 120°C is used in continuous dyeing processes, where it maintains consistent performance under elevated thermal conditions. pH stability range 5-8: Direct Deep Brown MN stable within pH range 5-8 is used in fabric dye baths, where it prevents color shifting and maintains reproducible results. Lightfastness grade 5: Direct Deep Brown MN with lightfastness grade 5 is used in home textiles, where it guarantees long-lasting color retention even under frequent sunlight exposure. Directness index 95%: Direct Deep Brown MN with a directness index of 95% is used in viscose rayon dyeing, where it delivers uniform uptake and reduced waste. Residue on ignition <0.5%: Direct Deep Brown MN with residue on ignition below 0.5% is used in technical nonwovens, where it minimizes impurities that can affect product integrity. Wash fastness grade 4: Direct Deep Brown MN with wash fastness grade 4 is used in apparel manufacturing, where it supports finished goods with durable, fade-resistant coloration. |
Competitive Direct Deep Brown MN 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.
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Tel: +8615365186327
Email: admin@ascent-chem.com
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In the world of direct dyes, Direct Deep Brown MN stands out for manufacturers who want more than a catalog listing. Our team crafts this dye day in and day out—not just sourcing, but producing and refining its every detail. We’ve adjusted our own synthesis steps over the years to increase both depth of color and reliability. Direct Deep Brown MN offers a distinctive deep brown shade with rich undertones, the kind needed for textiles that aim for seriousness and endurance rather than fleeting trends.
From the start, our chemistry lab focused on batch consistency. We know that customers don’t want surprises: color shift on fabric that strays from last month’s shipment, batch lots that bleed too much in wash, or unpredictable solubility when it’s crunch time and production lines are under pressure. Our version of Direct Deep Brown MN shows a crisp, dark hue on cellulose fibers—ideal for cotton and its blends, especially where fastness and clarity outweigh pure cost concerns.
Every detail of the product—from particle size to purification methods—came from real-world feedback: dyers who told us which problems kept recurring: residue, inconsistent take-up, off-tones when mixed with other directs. We took those answers back to our factory. By switching to more thorough filtration steps and improving our process water, we cut down on insoluble matter. That translates to fewer specks and rejects for our customers, especially in automated dyeing machinery.
Under the label Direct Deep Brown MN, we produce batches in powder form with strong solubility in water, tuned for standard tenacity. The average strength hovers at the higher end; lab readings usually clock in above 100%. This kind of performance matters to dyers who can’t afford reworks due to shade variability. Maximum color strength wasn’t our only target. We also worked on filtration metrics, so our product moves cleanly through modern high-speed jets and pad-steam lines.
We maintain clear moisture targets, since water content affects both solubility and shelf life. No two shipments go out without rigorous moisture checks, so our customers don’t get stuck with lumps or uneven dispersion. We’ve kept the iron and heavy metal content low because contamination can sabotage both color and long-term wet fastness.
Our work doesn’t finish when the powder leaves the factory. We talk with dyers across Asia, Africa, and Europe who use Direct Deep Brown MN side-by-side with older and competing blends. From their plant floors, we learn about real line speeds, real water conditions, and, maybe most importantly, shortcuts that don’t serve the end result.
On cotton, pretreated or not, Direct Deep Brown MN builds color with fewer issues from patchiness. Many clients remark that our batches need less correction—fewer trial runs, less retouching, less reordering of lost lots. For viscose, too, the dye offers high yield with moderate salt addition and regular alkali dosages, so plant operators don’t burn through extra chemicals just to get the expected depth.
Direct Deep Brown MN handles pressure and time variations better than most legacy browns. We get requests for application guidance, and the feedback from bulk users in garment dyeing shows that our dye does not drift noticeably even with 5–10 percent process deviations. Less reworking saves real money. Continuous dyeing lines that switch shades throughout the day especially benefit from the absence of sticky insoluble flecks—trouble that used to slow down older installations.
We won’t exaggerate and say Direct Deep Brown MN fits every possible process. Textile mills still use a range of other browns—Direct Brown 2, Direct Brown 138, Direct Brown 95, and more. Some offer different undertones, others work better with specific surfactants or auxiliary mixes. Our experience, though, points to repeatable, deep color and stable liquid formulations as the core strengths of Direct Deep Brown MN.
Some competitors produce browns with higher initial brilliance, which can tempt users planning for high-shade applications. Over time, we’ve seen brilliant colors tend to drift after several washes, especially with harder water or under UV. Direct Deep Brown MN, by contrast, relies on a chemical backbone that resists both fading and bleeding; our extra purification steps cut down on fugitive ions. Textile finishers want dyes that hold up after use, not just in the lab, and this is where the deeper, resilient shade payoff matters.
Other market browns may work for low-cost runs, especially where price dictates formula choice. In our production runs, we choose consistency over lowest price. We source our intermediates directly, avoiding the common shortcuts: recycled byproduct blends or uncontrolled heating at the chromogen step—which can introduce off-shades and leftover reactants. Our purity tracking system shows fewer color drift complaints and lower rejection rates month by month.
Retail chains and garment exporters increasingly want more than just a strong shade. They care about regulatory thresholds: compliance with azo dye restrictions, REACH standards, and absence of unwanted byproducts. We put every batch through azo cleavage checks, not just one-off certificate runs. That helps our customers pass third-party audits, avoid customs delays, and keep contracts moving.
Mill operators tell us how hard it is to balance price, performance, and compliance. By controlling our own process from starting intermediates through to packing, we give textile finishers a traceable source—one that answers to both local regulations and those of the end user’s country, whether that means OEKO-TEX listings, ISO quality, or more niche requirements.
Direct Deep Brown MN responds well to common dyeing auxiliaries—leveling agents, retarders, sequestrants—and shows little migration when textile pH is in the normal range. Plant managers want to minimize off-hours and rejects. Our dye, used in conventional exhaust, pad, or continuous processes, shows robust exhaustion under normal sodium chloride and sodium carbonate conditions. Feedback tells us that automated dosing controls match our product’s response curves consistently, so process techs spend less time chasing erratic shades.
We know storage headaches cause real losses. Caked powders, leaking bags, unstable dye, or hygroscopic problems have taken their toll on many dye houses. That’s why we engineer each batch for controlled particle size and moisture. Well-sealed, bright brown powder with minimal dust keeps storage safe and clean. Modern packaging lines prevent contamination from bagging to pallet wrap, so our product arrives in the same condition as it left—no surprises halfway through a campaign.
Dust control matters, not just for operators but for plant safety and compliance. High-dust products from some sources have triggered unnecessary emissions tests or health complaints. Our filter and bagging upgrades—prompted by customers’ line-side observations—yield loose, easily handled powder with lower workplace exposure risks and less cleaning time.
Sustainability is not a checkbox for us. Being upstream in production means thinking about every step, from raw material selection to wastewater treatment. Direct Deep Brown MN production relies on closed-loop solvent recovery at critical points, cutting down both emissions and input costs. Over the past two years, we have reduced effluent organic load by over 15 percent thanks to these recovery steps.
On the customer side, wet processing shops continue to face pressure to clean up their dye effluent. Broad compatibility with standard biological treatment means our dye does not introduce unusual load or breakdown products for most municipal systems. Our technical service team tracks emerging finishers’ standards worldwide, especially where new limits on color, aromatic amines, or metals keep getting tighter.
Industry-wide moves toward eco-labeling drive serious questions about raw materials, not just about final color. We avoid banned or flagged amine precursors and confirm that every delivered lot matches our own internal standards, stricter than normal compliance. Our ongoing challenge: meet greener standards without walking back color strength or dye stability, even as customers push for higher throughput and lower water use.
Years of daily interaction with both staff and customer technicians shape how Direct Deep Brown MN ends up better equipped for the demands of modern dye houses. Each production upgrade comes from direct feedback—sometimes late-night troubleshooting, sometimes intense post-mortems with technical teams across continents. By owning mistakes as well as successes, we keep evolving the formula—not switching for trend’s sake, but targeting the stubborn batch-to-batch challenges that mills actually face.
We maintain a direct line with technical teams at partner mills. Whenever they run into unanticipated behavior—unexpected migration, residue on machinery, slow build-up in continuous lines—we field these reports without deflection. Solutions grow from examining resin content, water quality, and the interplay of salts and auxiliaries in the customer’s real-world system, not just under lab purity.
For example, we’ve seen how temperature surges during summer shifts impact drying and shade intensity. By working with mills to tune addition points and refine temperature windows, we make sure that performance in the lab translates onto the production line, where no two days ever truly match. Direct Deep Brown MN’s robust behavior—both in strong direct light and varying pH—means operators spend less time tracking down error sources, freeing them up for real process optimization, not just firefighting.
Many customers want reassurance about how Direct Deep Brown MN handles fastness ratings and color retention over time. Laboratory tests demonstrate strong results, but everyday laundry and wear can reveal weaknesses unseen during test runs. By maintaining control of our raw materials and final blending process, we deliver consistent resistance to wash and light fading on major textile platforms: T-shirts, apparel fabrics, and home textiles alike.
Garment exporters especially value reliability from season to season—shade reproducibility matters as much as strength. We keep archived control samples and cross-check every large batch to prior lots, tracking even subtle shifts that could slip through generic process checks. The goal each run: keep production predictable, avoiding costly reprocessing and delays on end-user delivery.
With Direct Deep Brown MN, we don’t chase the bottom of the price curve at the expense of quality. We refine, test, and ship based on the production realities and pain points mills actually report. By focusing on long-haul partnership over one-time sales, our manufacturing team learns where the dye fits best and feeds those lessons back into continuous improvement.
Many years ago, bulk shipments arriving at distant ports too often disappointed with dusty or lumpy product. Clients called in, sometimes frustrated, sometimes resigned. Instead of the weakest solution—simply replacing those lots—we worked back through our drying protocols, packaging improvements, and operated test batches in simulated hot, humid environments. These upgrades can’t be seen until trucks unload weeks and thousands of miles later, but our complaint rate dropped sharply once tighter controls were in place.
Sometimes a formula needs tuning more urgently. Early batches of Direct Deep Brown MN occasionally showed random flecking in exhaust application, especially in hard water areas. Plant reports led us to investigate not only solubility but raw water mineral content and interaction with antifoams, leveling agents, and standard salts. Adjusting our purification and refining how we add buffering agents in process made the difference for both us and our customers.
No product covers every scenario, but our production approach always comes back to knowing what real customers face in real conditions. Whether it’s site visits, hours on the phone, or quick sample sends, the end goal is to keep improving. As regulations shift or market expectations change, we adapt—never by diluting quality, but by tuning our chemical process to stay ahead of both demands and new limits.
To sum it up, Direct Deep Brown MN isn’t an off-the-shelf answer hoping to cover every need at once. Its strength lies in how we produce, refine, and support it—by talking to mills, chemists, finishers, and dyehouse floor supervisors who use it under real production pressure. Our benchmarks: strong performance on direct-dyed cotton and viscose, shipment-to-shipment color constancy, and robust wash and light fastness built into every batch.
Textile coloring involves a mix of care, science, and sometimes a bit of stubbornness—the drive not only to solve immediate problems but to build an ingredient that stands up to the complex realities of manufacturing. That’s the ongoing promise behind each consignment of Direct Deep Brown MN we ship. Every shipment reflects the lessons, struggles, and real-world fixes learned across years in the dyehouse and at the factory floor, not just in the lab. Our commitment—consistent performance, reliable delivery, and evolving improvement—grows out of those hands-on experiences, keeping real chemistry in play where it matters most.