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HS Code |
388973 |
| Product Name | Fast Scarlet Base B |
| Chemical Formula | C18H16N2O |
| Cas Number | 6410-10-2 |
| Ec Number | 229-118-0 |
| Molecular Weight | 276.33 g/mol |
| Appearance | Red powder |
| Solubility In Water | Insoluble |
| Melting Point | 145-150°C |
| Uses | Azo dye intermediate |
| Synonyms | Paranitraniline Red, Ponceau 2R Base |
As an accredited Fast Scarlet Base B factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Fast Scarlet Base B is packaged in a 25 kg high-density polyethylene drum with a tight-seal lid and clear hazard labeling. |
| Shipping | Fast Scarlet Base B should be shipped in tightly sealed containers, protected from moisture, light, and incompatible substances. It is classified as hazardous; handle according to local regulations. Use appropriate labeling and documentation, and ensure the chemical is transported by authorized carriers following applicable safety and environmental guidelines. |
| Storage | Fast Scarlet Base B should be stored in a cool, dry, well-ventilated area, away from sources of heat, ignition, and incompatible substances like oxidizing agents. The container must be tightly sealed and clearly labeled. Keep out of direct sunlight and moisture. Ensure appropriate safety measures are in place to prevent accidental exposure, and restrict access to trained personnel only. |
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Purity 98%: Fast Scarlet Base B with 98% purity is used in azo dye synthesis, where it ensures high color strength and reproducibility. Molecular Weight 242.28 g/mol: Fast Scarlet Base B with a molecular weight of 242.28 g/mol is used in pigment preparation, where it enables precise formulation and consistent shade development. Melting Point 132°C: Fast Scarlet Base B with a melting point of 132°C is used in textile printing, where it maintains stability during the thermal fixation process. Particle Size 100 mesh: Fast Scarlet Base B with 100 mesh particle size is used in ink manufacturing, where it provides uniform dispersion and smooth printing performance. Stability Temperature up to 80°C: Fast Scarlet Base B stable up to 80°C is applied in leather dyeing, where thermal resistance prevents degradation and maintains vivid coloration. Water Solubility 5 g/L: Fast Scarlet Base B with water solubility of 5 g/L is utilized in water-based coating systems, where it enhances ease of integration and application uniformity. Light Fastness Grade 4: Fast Scarlet Base B with light fastness grade 4 is employed in outdoor signage printing, where it delivers satisfactory color retention under sunlight exposure. pH Stability Range 5-7: Fast Scarlet Base B stable in pH range 5-7 is used in paper dyeing applications, where it ensures consistent color results across varying conditions. Residual Moisture 1%: Fast Scarlet Base B with residual moisture content of 1% is used in dry blend manufacturing, where it prevents clumping and improves processability. Ash Content below 0.5%: Fast Scarlet Base B with ash content below 0.5% is employed in cosmetic pigment production, where it minimizes contamination and improves color purity. |
Competitive Fast Scarlet Base B 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!
Over the decades, we've spent our days in the heart of pigment production, learning the value of each raw material and the small shifts in process that bring a batch from merely adequate to truly eye-catching. Fast Scarlet Base B stands out in our workshop, not just as another dye intermediate, but as a foundation for deep reds in both textile and pigment industries. Any batch leaving our facility carries not just our reputation, but the assurance of consistent color intensity and clarity.
We’ve handled entry-level pigments and watched customers struggle with fading, inconsistency, and tricky blending. Fast Scarlet Base B earned its place here through trial, error, and persistent adjustment. The manufacturing route relies on fresh, carefully sourced aniline, thorough diazotization, and temperature controls that can never be left to guesswork. Over the years, our lines have replaced glass thermometers with calibrated digital sensors, but the basic need hasn’t changed: clean separation, thorough washing, patient drying.
We ship Fast Scarlet Base B in the form of a reddish-orange, fine-grained powder, most commonly processed with 99% minimum purity. Both chemical consistency and minimal water content matter more than catalog claims. Moisture can degrade performance when this base is used for further coupling reactions, especially in the hands of facilities working with high-sensitivity azo dyes. Small process improvements—like vacuum filtration and staged drying—show their effect in less wastage and sharper shades in your end product.
True reds challenge any textile producer. Orange, pink, or muddy undertones too often sneak into the final bath. Over the years, customers have arrived complaining their imported base left stains that faded after a single wash or failed color fastness tests in high humidity. Our iterations of Fast Scarlet Base B go deeper with the hue, holding strong during tests for lightfastness and wet-rubbing—because the structure’s integrity stems from clean upstream chemistry, not hasty shortcuts. Every time operators report back about improved batch stability or reduced reprocessing, that feedback cycles right into our plant adjustments.
With pigments, the story differs. Ink producers ask for tight particle size control—less for aesthetics, more for dispersion in high-speed mixing. Any oversized crystals can clog print heads and disrupt fine patterning. Our filtration sequence, once manual, now employs graduated screens and continual process sampling to eliminate outliers from each run. This effort pays back in sales to packaging, plastics, and paint makers, who all trace failures back to off-spec batches. Every year, there’s a new test protocol or regulatory hurdle. We work alongside customers to analyze regulatory requirements, adjust purification steps, and verify compliance—putting our products through third-party labs before they ever reach yours.
Picking Fast Scarlet Base B over alternatives isn’t about checking a box. Our colleagues in the industry see us as a reference not because of price alone, but because of reliability. Fast Scarlet Base G, for instance, tends toward a slightly different hue, drifting toward orange and often requiring further modification to reach the pure red many textile dyers demand. It lacks the specific crystal structure engineered for full compatibility with standard coupling components. Fast Scarlet Base C may bring a more orange tone in solution and works better for certain non-woven plastics, but falls short if high-end, washable fabrics are the aim.
Over the years, some buyers have asked why Fast Scarlet Base B commands a bit more attention in sourcing than alternatives like Beta Naphthol or certain naphthol AS derivatives. The answer comes down to coupling clarity and colorfastness. Fast Scarlet Base B forms a tighter bond with diazotized components, making it less prone to color migration over time. This matters most downstream in apparel, uniforms, and formal accessories, where a small shift in pigment stability can mean an entire line of garments gets returned. Feedback from our client base consistently points to fewer returns and higher customer satisfaction with lines built on our base.
It’s easy for desk writers to gloss over real-world concerns, but in plant life, the risks around handling Fast Scarlet Base B stay top of mind. Our best advice for operators—don’t treat any pigment intermediate lightly, no matter how familiar you get. Employees wear fitted respirators and handle the powder under local exhaust ventilation, since repeated exposure can provoke skin and respiratory irritation. Production line managers run regular training; we make PPE and ventilation checks part of every shift. We constantly remind our teams: no shortcut pays off if it sends someone home sick. Regular spill drills and equipment inspection keep our people safe and prevent any batch contamination.
Disposal rules change whenever regulators catch wind of new environmental standards. We treat spent filter cakes and wash water as hazardous unless confirmed otherwise by lab testing. Wastewater leaving the site passes through multi-stage treatment—chemical neutralization, oxidation, and filtration—because local waterways and community life matter far more than quarterly profits. Our relationships with local agencies grew out of respecting their oversight and growing together, not just ticking off forms.
Continuous improvement runs through our shop culture. Decades back, old-timers used to rely on intuition—a hot day, a quick whiff in the mixer, and a glance at the drying racks. Modern production puts less weight on luck and more on tight controls. Inline spectrophotometers, automated weighing, and real-time pH monitoring replaced a lot of guesswork. We hold every batch of Fast Scarlet Base B up to strict statistical control, flagging any drift in color strength before shipment. The payback? Fewer customer complaints, repeat orders, and constructive feedback we can act on.
We’ve learned small tweaks—like adjusting particle grind time or reviewing solvent residues—can make a real difference for customers formulating advanced disperse or direct dyes. Some teams ask for custom moisture levels, especially in hot or humid climates. By listening to these frontline needs, we adapt drying and packaging protocols, giving our partners peace of mind that their specific applications won’t face unwanted surprises. These aren’t generic claims; each improvement traces back to a specific request, test, or challenge from a longtime customer.
A new generation of textiles demands more than just color. Regulations around azo dye release, concerns about persistent organic pollutants, and consumer callouts for safety have shaped our formulation process. We don’t just react to these requirements. Our research team works hand-in-hand with dyehouses, brands, and regulators to innovate lower-residual impurity versions and transparent raw material supply chains. Getting ahead of banned amines, reducing trace metals, and opting for cleaner water cycles aren’t just marketing perks—they’re how we keep relationships strong and customers returning.
Environmental chain-of-custody and full disclosure documentation take time. We document every reagent source and supply customers with detailed compliance dossiers. Regular audits keep us honest, and certifications from independent bodies back our claims. Customers building product lines for export look for these signifiers. We don’t leave them scrambling with incomplete paperwork or last-minute clarifications. Questions about sustainable packaging or reducing carbon footprint crop up more frequently each season; our lifecycle analysis team stays ready with technical data and improvement plans.
Through upcycles and downturns, Fast Scarlet Base B holds steady against imitators. Some offshore producers succeed in undercutting on price but falter with trace contaminants, particle size drift, or inconsistent shade formation. We check incoming market samples, analyze their spectroscopy profiles, and pass along findings to our partners if a lower-price offer tempts them. Each time, field testing, especially when run at volume, exposes the hidden costs—higher defect rates, product recalls, and customer dissatisfaction.
Real trust builds over time. Our partners care less about a price point and more about reliable color, honest technical support, and readiness for troubleshooting. When a print house or textile group faces unexpected results, we don’t hide behind excuses. Our technical team gathers samples, traces the problem up the manufacturing chain, and makes process recommendations grounded in firsthand plant experience. This active problem solving stands out in a world full of generic, disconnected suppliers.
The backbone of vivid reds in cotton, viscose, acetate, and synthetic blends, Fast Scarlet Base B succeeds thanks to its coupling response and compatibility across a spectrum of dye forms—azoic, direct, and pigment. Textile dyers in particular learn quickly that some bases leave unpredictable patches or wash out unevenly. Precise control over pH levels, batch solubility, and temperature stability makes or breaks performance. We test every run with real-world dyeing trials, not just laboratory simulations, to ensure that what looks good on paper translates to flawless bulk results.
Beyond fibers, ink and coating manufacturers value the repeatability of our product for both base shade and as a modifier in specialty blends. Our technical support teams work alongside researchers tweaking dispersions, troubleshooting unforeseen clumping events, and running large-scale production simulations. Some customers develop entirely new product ranges, drawing on Fast Scarlet Base B’s unique shade stability and chemical resilience. Our long partnerships with major European and American brands trace directly to this hands-on, iterative support.
Manufacturing certainty means owning both successes and mistakes. Too many in our space gloss over batch failures or sweep irregularities under paperwork. Every out-of-spec batch is quarantined, root-causally analyzed, and fully documented so no repeat escapes attention. Customers know this because our reporting covers not just test summaries but actionable insights—exact parameters, root cause, and confirmatory retesting. This approach creates technical trust and translates directly into business stability.
We avoid making promises we can’t keep. Shifts in global raw material supplies don’t often make headlines, but they impact availability and price stability. Transparent communication during shortages, shipment delays, or unplanned outages keeps our customers informed with fact—not guesswork. Building trust during rough patches cements relationships for the long term, far beyond the reach of any sales pitch.
We’ve never treated Fast Scarlet Base B as a finished project. Each customer encounter, every new regulation, and each evolving textile trend brings new requirements. Some solutions have been straightforward—improving drying systems, filtering at lower micron levels, or reworking packaging for sharper moisture control. Others involve complex formulation updates or designing trial runs with customer partners before batch scaling. Step-by-step, we invest in lab upgrades, employee training, and smarter automation. The outcomes? Lower defect rates, faster troubleshooting, and consistent progress toward cleaner, safer chemistry.
Industry networks and feedback sessions—sometimes a daily phone call, sometimes a roundtable—reveal what no laboratory test can. Customers at the sharp end describe issues in practical terms: streaking on printed banners, uneven finish on luxury apparel, or inconsistent shade in synthetic leather. These details guide our investments and shape how we tackle both big and small challenges. Long-term, this approach means fewer nasty surprises down the road, for us and for every customer relying on our scarlet base for their signature products.
Factories grow up around daily routines, small improvements, and stubborn pride. Each time a kilo of our Fast Scarlet Base B leaves the plant, it’s the end of one process and a handoff for another. Customers assemble their own teams and equipment around the reliability of our product. Fewer complaints, lower rework rates, and steady performance year-on-year have built our strongest asset: trust earned through firsthand experience.
We share a real sense of responsibility. Supplying Fast Scarlet Base B means guaranteeing not just a chemical, but an outcome—a product that holds up under pressure and adapts to changing needs. Our journey hasn’t been linear. Old-timers here have seen plenty of wrong turns, but honest hard work, constant learning, and unfiltered communication still win the day. Customers know we stand by this outlook—because we live it, batch after batch, every single day.