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HS Code |
797235 |
| Chemical Name | Basic Yellow 24 |
| Cas Number | 6786-83-0 |
| Ec Number | 229-851-8 |
| Molecular Formula | C17H20ClN3 |
| Molecular Weight | 301.82 |
| Appearance | Yellow powder |
| Solubility | Soluble in water and ethanol |
| Application | Cationic dye for textiles and paper |
| Light Fastness | Moderate |
| Melting Point | 178-180°C |
| Color Index Number | 48060 |
| Synonyms | Pyrazine Yellow, C.I. Basic Yellow 24 |
| Stability | Stable under normal conditions |
| Odor | Odorless |
| Ph Range | 4-7 (aqueous solution) |
As an accredited Basic Yellow 24 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Basic Yellow 24 is supplied in a tightly sealed 500g high-density plastic bottle, labeled with hazard warnings and manufacturer details. |
| Shipping | **Basic Yellow 24** should be shipped in tightly sealed containers, protected from moisture, heat, and direct sunlight. Handle with care, avoiding spillage and exposure. Transportation must comply with local and international regulations for dyes and chemicals, ensuring appropriate labeling and documentation. Store upright in a cool, dry, and well-ventilated area during transit. |
| Storage | Store Basic Yellow 24 in a tightly closed container, in a cool, dry, and well-ventilated area away from direct sunlight, heat, and incompatible substances such as strong oxidizing agents. Avoid moisture and sources of ignition. Label storage containers clearly and handle the chemical using suitable personal protective equipment to prevent dust generation and exposure. Follow relevant local, state, and federal regulations. |
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Purity 98%: Basic Yellow 24 with purity 98% is used in textile dyeing processes, where it ensures high color consistency and vibrant fabric appearance. Particle size 5 microns: Basic Yellow 24 with particle size 5 microns is used in inkjet ink production, where it enhances print resolution and stability in printed images. Melting point 115°C: Basic Yellow 24 with a melting point of 115°C is used in plastic coloration, where it provides uniform pigment dispersion at standard polymer processing temperatures. Stability temperature 120°C: Basic Yellow 24 with stability temperature of 120°C is used in paper coating formulations, where it delivers lasting brightness under high-temperature drying conditions. Solubility in water 15 g/L: Basic Yellow 24 with solubility in water 15 g/L is used in aqueous dye formulations, where it facilitates rapid and homogeneous coloring of cellulosic fibers. Lightfastness grade 4: Basic Yellow 24 with lightfastness grade 4 is used in outdoor signage inks, where it improves color retention under prolonged UV exposure. Viscosity grade low: Basic Yellow 24 with low viscosity grade is used in spray application systems, where it enables precise and even color deposition on various substrates. Molecular weight 284 g/mol: Basic Yellow 24 with molecular weight 284 g/mol is used in chemical tracer studies, where it provides accurate tracking due to its distinct optical absorption properties. pH stability range 4-9: Basic Yellow 24 with pH stability range 4-9 is used in cosmetic formulations, where it maintains color integrity across different product pH levels. Heat resistance up to 130°C: Basic Yellow 24 with heat resistance up to 130°C is used in thermal transfer printing, where it ensures no color degradation during high-temperature processing. |
Competitive Basic Yellow 24 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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As producers who live and breathe the realities of chemical manufacturing, we have worked with Basic Yellow 24 across countless batches and numerous customer lines. This yellow dye, with its recognized model and its registered CI number, consistently brings vibrant and reliable hues to the textile and paper segments. For those in the industry, it’s clear from a dye’s performance on the factory floor that not all colorants measure up the same. Basic Yellow 24 walks right into routine dyeing operations showing strong affinity for both acrylic fibers and modified polyester. It’s rarely fussy about the process parameters, and for the operator, that means less tinkering and fewer headaches resolving uneven shade issues.
Factories value dyes that offer strong build-up, especially for demanding hues. In our day-to-day runs, Basic Yellow 24 delivers reproducible results, whether dosing into high-speed continuous lines or batch dyeing kettles. Its molecular structure, which we have studied across hundreds of lab tests, demonstrates outstanding solubility. When stirred into an aqueous solution, it dissolves fast without lingering, undissolved residues pinning themselves to the bottom of the dye bath. In practice, that means fewer clogged filters, less downtime, and consistent feed for downstream applications.
Direct experience spares no illusions—a dye is only as good as its stability under warehouse and workshop conditions. Over the years, we’ve tracked Basic Yellow 24 through every step, from drum filling to storage. We keep close tabs on temperature and moisture in our facilities, as humidity can challenge some dyestuffs. Our product proves resilient against caking and clumping when kept dry and sealed. In open storage, it resists atmospheric moisture better than many similar bright yellows.
Knowing how dust can shape air quality in processing plants, we’ve engineered our granule and powder forms for good flow and minimal airborne loss. Operators spend less time sweeping up spills, and equipment keeps its running parts clearer after weeks of heavy work. Consistent handling equals safer, cleaner workplaces and keeps our teams focused on output instead of constant maintenance.
Factories running acrylic or modacrylic blends need yellow dyes to penetrate evenly—no patchy spots or fuzzy edges. From batch vat dyeing to rapid jet systems, Basic Yellow 24 has proven itself on the shop floor. Every time we trial it on synthetic fibers, the absorption appears even, producing solid, clean shades from pale lemon to deeper golds, depending on the recipe and concentration. Its cationic nature bonds directly to anionic sites on the substrate. The attacks we’ve seen from shift-to-shift process alterations amount to little; finicky pH shifts or small adjustments in hard water have only minor impact on the shade outcome.
In papermills, where surface color must set quickly, Basic Yellow 24 holds a special place. It uniforms color through every gsm layer—not just on the sheet surface, but deep into the pulp. This ability to soak and fix without large pigment losses saves on consumption across production lines.
Unlike several direct or acid yellow dyes, fading under regular indoor light is not a frequent complaint in customer feedback on this product. In-house accelerated lightfastness tests have shown improved retention of vibrance, especially in documents and high-impact graphics. For those who have struggled with yellow dyes dulling over time in sunlight or office environments, Basic Yellow 24 offers a notable improvement from previous-generation basic yellows.
Every producer worth their bench time knows that pure shades aren’t always practical. Matching exact tones in multi-color dye systems depends on mixing compatibility. We’ve trialed Basic Yellow 24 alongside a range of cationic reds and blues, monitoring precipitation, migration, and blending quality in real production water. Surfactant requirements stay moderate. Solvents are rarely needed. Where other yellows end up separating or muddying the final hue, Basic Yellow 24 keeps blends clear and sharp, even as dye loads rise.
It works well with optical brighteners and whitening agents, so it finds itself in recipes for high-visibility clothing and safety signage. In these high-stress color conditions, the dye interacts predictably with both optical and colorfast agents so finishers don’t run into compatibility traps halfway through a run.
We encounter market-wide challenges with every dye, and Basic Yellow 24 is no exception. Residual strength, especially under high wash temperatures, sometimes concerns certain industrial laundry clients. Our technical team addresses this upfront: after evaluating standard laundering and exposure cycles, we recommend specific after-treatments or binders for demanding end-use segments. This strategy keeps customer complaints low and batch recalls near zero.
We’ve also wrestled with rare off-shade lots due to minor production contaminants in large syntheses. By investing in real-time monitoring and using high-purity intermediates, we’ve steadily pushed our own technical standards, so every new lot matches our internal shade card with minimal drift. We stand by our product because we live with the outcomes every time a dissatisfied return comes back to our plant.
Basic Yellow 24 production lines run with close attention to effluent and airborne byproducts. In our facility, we don’t just follow legal mandates for discharge; our internal metrics focus on reducing residual color in wastewater. Batch after batch, we tune our recovery units, capture spillage, and recycle wash liquors. In recent years, we optimized our filtration and ion-exchange stations, pulling out residual colorants prior to stabilization or treatment.
Worker safety matters as much as product quality. Our on-site teams use closed weighing and dosing systems to drop dust loads across shifts. Direct monitoring of filter efficiency means that handling Basic Yellow 24 does not put staff at unusual risk compared to the full suite of basic dyes made in our facility.
Every batch start brings choices. Older basic yellows, such as Basic Yellow 1 or 2, seem brighter on paper but show lower fastness on synthetics. We’ve replaced them in most production lines because they bleed out quickly during migration or after-wash cycles. Newer modified yellows may promise exceptional fastness, but we’ve found that they demand more controlled pH and process conditions, raising operational complexity. They also come with higher raw material costs and trickier environmental handling requirements.
Basic Yellow 24, based on our years of side-by-side trials, meets a middle ground. It delivers solid brightness and fastness, especially in acrylics, without pushing up costs or requiring major retooling. Operators do not need to slow lines or adjust chemicals for stubborn residues, and process water does not call for extraordinary treatment.
Compared to pigment-based yellows, Basic Yellow 24 gives deeper penetration and never settles into the filter-press problems pigments cause. It fits best in textiles and paper where deep, bright color is needed through the entire matrix. In practice, that means less product required per ton of substrate, lower rework expense, and more favorable per unit output.
All specifications for Basic Yellow 24 flow from the production floor experience. Our crews monitor pH regularly, and product leaves our gates within standardized solubility and content parameters. We package powders in moisture-proof inner linings and sturdy drums, using anti-caking agents refined through years of trial and error. Shipping through different climates and storage periods proved early on that this extra step pays off. Whether heading to a humid port in Asia or a dry inland warehouse, the granule form blends smoothly and resists clumps.
In shipments to bulk users, we offer both fine powder for rapid dissolution and larger granules for automated dispensing systems. Contract customers with automated dye kitchen setups prefer granules, while small-batch artisanal producers stick with powder for its flexibility in quick recipe changes.
Consistency across lots speaks to our experience. Over time, we improved our particle size distribution, eliminating oversize grains that can plug injectors and small dust that can escape through ventilation. Every handful that leaves the warehouse reflects feedback from the people who actually load, mix, and apply the dye on a regular basis.
Tight control over our own synthesis of Basic Yellow 24 lets us backstop customers as supply chain snags crop up. Recent years brought uncertain shipping and uneven raw material supplies. By sourcing key intermediates directly and minimizing storage time between synthesis and packing, we keep our lanes open and customer lines running.
Having engineers on premises ready to support troubleshooting offers an edge. If a batch color comes out slightly off, someone from our technical team brings a clear solution, tested in our own dyehouse, not just a generic answer. In many cases, refinements in customer application settings come from our actual plant operators, not just remote technical sales.
This partnership mindset grows from decades in the business. We understand the senses of urgency, cost control, and day-in, day-out quality every plant manager cares about. That keeps us honest about lead times, real-world process conditions, and how our batch variations affect downstream use.
Building better basic dyes like Basic Yellow 24 never ends. Our research staff tracks subtle shifts in downstream requirements, such as the push for lower salt loads in effluent, or improved wash-off times for athletic wear. Bringing in new process catalysts and high-activity intermediates, we cut cycle times and sharpen purity. Changes in regulatory landscapes push us to adopt cleaner routes and cut out potentially hazardous byproducts.
On the floor, operators suggest tweaks—minor shifts in mixing speed, automated filter changes, or timing the drying operations to ambient humidity swings. These suggestions translate into tangible yield improvements. Their lived experience runs deeper than any spec sheet, and we make changes based on their insights, not just outside consulting.
We partner with application labs, both in-house and at customer sites, running real-life dyeing on latest-generation fibers and blends. We test the dye not only for strength but for how it holds up on workout gear, children’s furnishings, and paper for security documents. Our results draw a map for the next lot, and customer feedback circles right back to the heart of our process design.
Every new drum of Basic Yellow 24 represents the work of dozens of hands—chemists, batch operators, warehouse staff, quality checkers, and shippers. We believe in quick feedback, whether it’s praise for a shade well received or a call about an unexpected processing problem. In our company, feedback meetings don’t just gather checklists; floor techs describe batch performance in plain terms, and every suggestion or criticism finds its way to the next set of operational steps.
We listen carefully to frontline needs. If a customer’s line experiences buildup or color drift, we act fast, dispatching technical support or shipping revised samples. Problem-solving starts where the batches are mixed and fibers are run, not just in the boardroom.
Transparency in production builds trust. We don’t hide small variations or downplay rare process problems. Any time we encounter drift in tone or performance, we work the issue back through our system, find the root cause, and share the fix. Sometimes this means revisiting old raw material flights or adjusting drying temp protocols, all of which keeps the next lot cleaner and more predictable.
Our experience as a manufacturer grounds every decision about Basic Yellow 24. This dye’s balanced performance, process stability, and feedback-driven improvement show why it takes its place in so many textile and paper shops. Challenges arise, and so do solutions. If you visit our plant, you’ll see line after line built to get good yellow dye into the right hands—quickly, safely, and always with an eye on what really matters on both sides of the loading dock.
In the end, a dye stands on its record. Years of direct feedback drive each tweak we make. Basic Yellow 24’s journey continues to reflect the values we hold as a producer with our hands in the mix every single day.