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HS Code |
266752 |
| Name | Basic Red 13 |
| Chemical Formula | C18H21ClN4 |
| Cas Number | 3648-32-4 |
| Molecular Weight | 328.84 g/mol |
| Color Index Number | 48015 |
| Appearance | Dark red powder |
| Solubility In Water | Soluble |
| Usage | Textile and paper dye |
| Light Fastness | Moderate |
| Toxicity | Harmful if swallowed |
| Synonyms | Astrazon Red 6B |
As an accredited Basic Red 13 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Basic Red 13 is packaged in a sealed, 500g HDPE bottle with a secure screw cap and clear hazard labeling. |
| Shipping | Basic Red 13 should be shipped in tightly sealed containers, clearly labeled and protected from moisture, heat, and direct sunlight. It is classified as a hazardous material, so it must comply with relevant transport regulations (such as DOT, IMDG, or IATA). Appropriate personal protective equipment must be used when handling and shipping. |
| Storage | Basic Red 13 should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizing agents. Keep the container away from direct sunlight and sources of ignition. Ensure the storage area is equipped to handle chemical spills, and label containers clearly to avoid accidental misuse. |
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Purity 98%: Basic Red 13 with purity 98% is used in textile dyeing processes, where high color uniformity and vibrant shade reproducibility are achieved. Molecular weight 285.35 g/mol: Basic Red 13 of molecular weight 285.35 g/mol is used in paper coloring applications, where consistent hue intensity and penetration are enhanced. Melting point 123°C: Basic Red 13 with a melting point of 123°C is used in plastic coloring, where thermal stability and color retention under processing conditions are ensured. Particle size D90 < 10 μm: Basic Red 13 with particle size D90 < 10 μm is used in ink formulation for printing, where improved dispersion and smooth print quality result. Solubility in water 8 g/L: Basic Red 13 with water solubility of 8 g/L is used in aqueous-based formulations for leather dyeing, where deep color uptake and fastness are provided. Lightfastness grade 5: Basic Red 13 with lightfastness grade 5 is used in decorative coatings, where prolonged color durability under UV exposure is maintained. pH stability range 4–9: Basic Red 13 with pH stability range 4–9 is used in various detergent formulations, where consistent coloration across wide pH conditions is achieved. Dye content ≥80%: Basic Red 13 with dye content ≥80% is used in hair color products, where intense and lasting shade development occurs. Stability temperature up to 90°C: Basic Red 13 with stability temperature up to 90°C is used in industrial dye baths, where reliable performance during high-temperature processes is ensured. |
Competitive Basic Red 13 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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At our plant, few products get the daily attention and scrutiny that Basic Red 13 receives. Every batch starts the same: pre-weighed raw materials, a handful of quietly humming vessels, and the familiar bright dust that signals another day running this dependable dye. Over the years, we’ve fielded every question you could throw at a colorant. Let’s give you a clear idea of what sets Basic Red 13 apart based on real manufacturing runs and actual customer demand.
Basic Red 13 belongs to the cationic dye class. With a chemical formula of C19H17ClN4, and a molecular weight close to 336.8 g/mol, its structure includes an azo linkage and aromatic rings. Inside our labs, we run UV-Vis spectrophotometry in the quality check. Every batch delivers that strong, vivid magenta shade, with top absorbance peaking at around 525–530 nm. If a shipment doesn’t hit this wavelength and intensity, it never leaves the door. That’s not just pride—improper shade matching throws off gallons of downstream product, making headaches for batch processors and ultimately the end user.
We produce Basic Red 13 in three forms: granular powder, fine powder, and high-strength paste. Textile clients gravitate toward granules, citing less airborne dust and smoother machine handling. Fine powders allow mixers in paper and leather goods to dissolve the dye fast, speeding up batch turnaround. Paste—a concentrated, thick dispersion—lets batch dye houses push color into solution without lengthy prepping. Consistent particle size in all forms keeps automated dosers and feed systems running smoothly, a fact confirmed by teams operating at scale for years, not months.
The dyeing world isn’t just about color tone. Every pigment or dye comes burdened by economic and environmental pressures. Basic Red 13 offers a price-per-kilo that large textile plants find hard to ignore, especially for acrylic fibers, cationic-modified polyesters, and blends. We’ve talked directly to managers struggling with budget cuts who rely on this product’s coloring power to maintain their fabric shade even as raw material costs fluctuate. Even smaller textile operations trust it for its punch—small additions lead to high color payoff, and that’s essential on short-run jobs.
Applications don’t stop with yarn. Over decades, papermakers, ink formulators, and even a few plastic manufacturers have settled on Basic Red 13 as their go-to cationic colorant. Paper finishers use it to produce flyers, tissue, and specialty packaging with a distinctive red tone. Water-based ink producers appreciate its bright color without the handling difficulties some acid or direct dyes pose. Leather finishers exploit its dye-fastness to obtain even, stable coloring with reduced migration risk.
Each dye class brings its quirks. Basic Red 13 forms strong ionic bonds with acrylic fibers, locking color into place and resisting washing out. As longtime plant chemists know, this isn’t just theory—swatches sent through machine washes and light exposure tests repeatedly come back with solid ratings for both wet and dry fastness. There’s satisfaction in seeing customer returns fall when fastness ratings are this high.
Of course, every production run puts us face to face with challenges. Production variables like pH, temperature, and water hardness often shift day to day. Our experience shows that Basic Red 13 proves resilient; even when process water drifts slightly alkaline or the dye bath temperature fluctuates, color yield holds steady. Lab results confirm what floor staff have seen for years: no need for constant correction, no spike in rejects.
Every factory manager knows worker comfort directly impacts output and morale. From a production perspective, Basic Red 13 does not produce excessive dust or odors in day-to-day handling, a detail our line crews appreciate. Manufactured without volatile solvents, it presents fewer acute risks than some other dyes. Though standard protective gear remains a must, we rarely record respiratory complaints. Stability at ambient temperatures provides confidence: storage silos and warehouses handle this dye for months without incident or loss of potency.
Regulatory pressure climbs higher every year. Our compliance team digs deep into listings from global bodies to ensure every outgoing batch of Basic Red 13 measures up. Restricted substances and impurities, like trace heavy metals and formaldehyde, get checked constantly—nobody wants returns due to failed audits. Documentation bundles that accompany shipments aren’t just paperwork; they echo years of audits and work with international buyers. Peace of mind counts, and the product’s consistent passing of RoHS, REACH, and other compliance checks builds trust from both local and multinational clients.
Raw material prices jump without notice. In this environment, minimizing waste takes priority. Basic Red 13 shines in high-yield, low-waste processes. Our records show consistently high utilization rates: over 95% of added dye transfers onto acrylic or modified polyester substrates. Compare this to direct dyes, which often bleed or exhaust incompletely, clogging pumps and producing disposal headaches.
Our technical support team regularly works alongside customer production leads, advising on optimal liquor ratios, fixation methods, and wash-offs. Case studies in both textile and paper houses document reduced downtime and maintenance when Basic Red 13 forms part of the recipe. It withstands hard water conditions, lower temperature dye cycles, and mechanical agitation without unpredictable fallout.
Some large contract printers and dye houses benefit from the product’s fine filtration profile. Our wet processing lines have operated without major filter blockages for over three years running, testament to diligence in both synthesis and purification. Customers relying on continuous processes, such as padding or jet dyeing, note the reduction in nozzle clog and machine downtime. Staff on the line quietly appreciate how little interruption they see compared to older dye lots.
Facing down a wall of available reds, plant buyers and chemists ask: Why this one? We’ve run side-by-side batch tests with direct reds, acid reds, and basic competitors. In head-to-head runs, Basic Red 13 consistently brings greater affinity to acrylic substrates. Acid reds generally don’t bond as well without modifying treatments. Basic Red 13 fixes color in fewer steps, tipping the scale for plant supervisors under time pressure.
Acid dyes do offer advantage on nylon and wool, but in the synthetic world, Basic Red 13’s shorter cycle and energy savings make a big difference. Repeat jobs from large apparel exporters keep confirming this: predictable batch cycling and repeat orders suggest trust in the product’s performance.
Compared to alternative basic dyes, Basic Red 13 maintains a stable hue through changes in process water and ambient humidity. After a mix-up on the floor, one operator used Basic Red 13 in place of a competing basic dye. That run outperformed expectations: not only did the shade remain sharp, but the wash-off came clean, reducing rinse cycles and saving both water and time. These smaller moments on the line teach more than any spec sheet.
In every plant audit, two themes drive operational changes: reducing chemical consumption and streamlining water use. Basic Red 13’s high fix rate means little excess dye enters effluent. A few years ago, we switched our wastewater monitoring protocol following input from a major apparel client. Real data showed a marked drop in unbound residues in wash water when Basic Red 13 replaced a lower-quality red. This wasn’t an isolated finding; similar drops in COD (Chemical Oxygen Demand) and color in final discharge appeared in case after case.
Waste reduction delivers two wins—lower environmental impact and less expense in waste treatment. Water savings add up, especially where costs continue to climb. Fixation strategies such as short-time steam or one-bath systems fit well with our product, confirmed through repeated trials in mills across different regions. These gains make it easier for both local producers and large multinational giants to stay ahead of tightening environmental rules.
No dye’s story is complete without a look at lifecycle. End users expect products—garments, printed paper, coated leather—to keep color after heavy use. Feedback from garment manufacturers confirms Basic Red 13’s strong performance under home and industrial laundering. Even after thirty washes, 90% of the samples tested showed minimal color change. In the packaging world, tissue and billing paper retain their vibrancy for months under harsh lighting.
Failures point to a deeper problem with incompatible substrates or skipping recommended auxiliaries, not the dye itself. Our technical crew responds to occasional troubleshooting requests. Sharing best practice—proper pH control, enough auxiliary retention agent, thorough rinse cycles—fixes most complaints. Our experience has taught us that working closely with end users pays off in higher satisfaction and returning business.
Every year, buyers probe us for information on sustainable sourcing, safer handling, and lower environmental impact. Long before these questions filled every order form, we tracked and logged unwanted by-products and invested in closed-loop systems to handle mother liquors and off-gases. The synthesis of Basic Red 13 at our site employs reclaimed solvents wherever possible and evolves little toxic gas, reflecting both the shift in public expectations and practical necessity for clean, safe production.
Our internal data from the last five years show ongoing reductions in process emissions and waste. By redesigning two older reactors and adding mist scrubbing, we cut fugitive emissions during key steps. Our solvent recovery rate on this line exceeds industry averages, driving further cost savings and lowering the footprint. These aren’t marketing points—they make a true impact on daily operations and community perception.
Not every client uses Basic Red 13 for mainstream dyeing. Specialty offset printers use it to create vibrant masterbatch tones. Researchers working with microencapsulation and diagnostic strips appreciate the dye’s stable absorbance and predictable reactivity. Artists working with custom acrylic inks value its easy dispersibility and lightfastness. Our engagement with artists and specialty printers shows us the importance of batch-to-batch reliability, even where volumes are tiny compared to mainline industrial clients.
We receive periodic requests for custom blends and modifier-free variants. Through in-house blending and close relationships with auxiliary suppliers, it’s possible to deliver solutions that meet niche needs—no one-size-fits-all response here. Sharing production records and spectral analyses with the customer builds mutual trust and eases integration into delicate processes.
Experience teaches respect for limitations. Cationic dyes like Basic Red 13 do not suit cellulosic fibers such as cotton or viscose without expensive upstream treatments. Insisting otherwise leads to weak fixation and color loss. In these situations, other dye classes—direct, reactive, vat—do a better job. Our recommendation always matches the chemistry to the substrate.
Dye-bath carryover or “tailing” sometimes crops up if the process temperature strays from optimal windows or if the liquor-to-goods ratio sits too low. Process monitoring and a responsive operations team minimize these issues. Early detection and process adjustment save both product and customer trust—a mantra learned first-hand through years of follow-up and factory tours.
Another issue sometimes seen involves shade drift due to inconsistent water mineral content. Chlorides and other ions when in excess can impact shade intensity. We supply technical bulletins based on test runs to help customers stabilize bath chemistry, avoiding surprises that can derail a whole run.
Our ongoing dialogue with clients signals a growing focus on both performance and transparency. Product improvement decisions reflect both customer voices on the shop floor and evolving compliance standards. Over the last decade, we’ve reformulated mixes to cut harmful residues and fine-tuned protocols for customer-specific cleaner production needs.
Looking back, Basic Red 13 holds its place by serving real needs in tough environments. Reliable supply, hands-on support, and genuine technical dialogue set manufacturers apart in a crowded market. Whether delivering bulk to a mega plant or a small custom lot to a boutique dye house, our goal remains unchanged: to ensure every order of Basic Red 13 meets the highest standard, earned through years of hands-on work and open customer feedback.
Consistency doesn’t come from wishful thinking. Our control team subjects every barrel and drum to repeat spot-testing, using real-world conditions—not idealized labs. Shipping only what meets our written standard means fewer calls for back-credit and tighter customer relationships. Site tours by audit teams back up paperwork, giving buyers and specifiers proof that quality runs deeper than marketing promises.
Our history with Basic Red 13 grows from feedback, collaboration, attention to process, and willingness to invest in safer, cleaner, and more reliable chemistry. These qualities matter, especially as industries face higher expectations for sustainability, transparency, and consistent outcomes. The demands won’t slow down, and neither will innovation or commitment from teams who make and trust this product daily.