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HS Code |
719087 |
| Product Name | Yellow 5GL |
| Chemical Name | Acid Yellow 17 |
| Color Index Number | CI 18965 |
| Appearance | Yellow powder or granules |
| Solubility | Soluble in water |
| Main Application | Textile and paper dyeing |
| Shade | Bright yellow |
| Cas Number | 6359-98-4 |
| Molecular Formula | C16H12N4Na2O7S2 |
| Molar Mass | 510.40 g/mol |
| Ph Value | 5.0–7.0 (1% solution) |
| Light Fastness | Moderate |
| Stability | Stable under normal conditions |
| Ionic Nature | Anionic |
| Odour | Odourless |
As an accredited Yellow 5GL factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Yellow 5GL is packaged in a sealed 25 kg fiber drum, lined with plastic for moisture protection, clearly labeled for identification. |
| Shipping | Yellow 5GL is typically shipped in tightly sealed, chemical-resistant containers such as drums or bags to prevent contamination and moisture ingress. Shipments comply with relevant safety regulations, including labeling and documentation. The chemical should be stored and transported in a cool, dry place away from incompatible substances, ensuring secure and stable handling throughout transit. |
| Storage | Yellow 5GL should be stored in a cool, dry, and well-ventilated area, away from direct sunlight and sources of heat or ignition. Keep the container tightly closed and properly labeled. Store away from incompatible substances, such as strong oxidizers. Ensure that spill containment measures are in place and follow all local regulations for chemical storage and safety. |
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Purity 98%: Yellow 5GL with purity 98% is used in textile dyeing processes, where it ensures uniform color intensity and reproducibility. Molecular weight 376.27 g/mol: Yellow 5GL of molecular weight 376.27 g/mol is used in food coloring applications, where it enables precise formulation and consistent hue. Stability temperature 120°C: Yellow 5GL with stability temperature of 120°C is used in plastics manufacturing, where it maintains color integrity during high-temperature extrusion. Particle size 2-5 μm: Yellow 5GL with particle size 2-5 μm is used in inkjet ink formulations, where it improves dispersion and print sharpness. Solubility in water 35 g/L: Yellow 5GL with solubility in water 35 g/L is used in aqueous coating systems, where it allows rapid dissolution and homogeneous application. Viscosity grade low: Yellow 5GL of low viscosity grade is used in paper tinting processes, where it promotes even application and prevents clogging. Lightfastness grade 4: Yellow 5GL with lightfastness grade 4 is used in industrial paint systems, where it provides moderate resistance to fading under sunlight. Melting point 155°C: Yellow 5GL with melting point 155°C is used in crayon manufacturing, where it enables smooth melting and strong coloring power. pH stability 4–8: Yellow 5GL with pH stability 4–8 is used in beverage coloring, where it preserves color stability across varying acidity levels. Ash content <1%: Yellow 5GL with ash content less than 1% is used in pharmaceutical coatings, where it reduces residue and contamination risk. |
Competitive Yellow 5GL 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 production site, the shift usually starts early, with the background hum of mixers and dryers settling into a routine rhythm. Every batch has its own story. Yellow 5GL tells a unique one throughout the day—bold, clear, and consistent. This colorant always stands apart for its strong, vibrant shade, holding fast during processing, and never letting heat or blending conditions knock it out of spec. Since launch, this product has become a staple, especially for textile and paper finishing lines aiming for repeat, high-visibility color at industrial speed.
We manufacture batches of Yellow 5GL with strict attention to purity, keeping ash and moisture content in check. The hue leans toward a deep, warm yellow, often described as clean and sunlit rather than pale or washed out. Granularity remains remarkably even—a result born from years of tuning the spray drying process, closely monitoring nozzle diameter and inlet temperature. Whenever operators bring up flow rate and batch consistency in meetings, it always ties back to product structure. Our quality checks don’t just read numbers on a spec sheet—we scatter the powder, check dispersion, and sample across drums to guarantee each kilogram reflects our standards.
What really distinguishes 5GL from other yellow pigments starts with solubility. Where some synthetic yellows clump, separate, or streak in solution, 5GL disperses without hassle under ordinary agitation. This saves time downstream—filtration runs clean, and pigment doesn’t settle out too early in the process. For dyehouses, a color that travels smoothly means less downtime, reduced clogging, and lower costs due to less wasted product. Customers who rely on even coloration for high-end apparel or promotional paper stock report less rework, with tones appearing richer and more stable batch to batch.
Safety ties into stability. During shipping season, humidity spikes and unpredictable transit can stress-test pigment. Some colors fade or degrade; others experience caking or lose flow. We’ve weighed bulk vessels coming off the line and documented less clumping thanks to our method of moisture-protected packaging and rapid-cooling protocol at discharge. The chemistry inside the pigment keeps its hue, which makes it a preferred choice among long-haul buyers who can’t afford off-shade lots showing up after ocean travel.
In the dyehouse, workers look for colors that blend quickly and respond predictably to temperature changes. Yellow 5GL meets those requests. Its particle size falls in the optimal range for rapid emulsion—fine enough for even pickup yet coarse enough to resist dusting losses. As a result, setup time drops. Batches can be repeated without chasing color drift, which often plagues older pigment blends that fail to keep granulometry in check. We see this every day when operators prepare vats and log data: color sticks tightly and doesn’t “wander” under standard heat cycles. That concrete reliability makes 5GL a mainstay for manufacturers shaping broad runs, like school supplies paper and activewear fabric. Brands with strict visual standards often list 5GL on their approved materials list for these reasons.
Printing ink producers cite a specific advantage. Some colors foam or foul pumps, especially those requiring constant recirculation. Our 5GL holds its ground in high-shear mixing, avoiding air entrapment and keeping viscosity levels in the safe range. On high-speed presses, that detail translates into fewer interruptions, predictable drying, and sharp print edges. Over repeat orders, we log customer service calls and see less troubleshooting needed for in-plant mixing and maintenance. A pigment that doesn’t upset the line means fewer headaches for engineers and more uptime for everyone running an operation.
Not every yellow pigment offers food-contact safety or passes rigorous regulatory panels. We design Yellow 5GL formulations to meet current compliance measures, testing for migration, allergenic potential, and detectable residues. In the packaging field, processors face stricter standards each year, especially for children’s products and direct food wrappers. Our plant includes an isolated blending zone for batches allocated to food-touch applications, and QC runs additional chromatography and ultraviolet analyses on outgoing samples. These extra measures result in lower regulatory risk for our customers and help us participate in product launches where label claims matter.
Brand managers often report back that 5GL reads well on-store shelves. Colors remain vivid even after lamination and light exposure. The pigment’s thermal stability caters to requirements of heat-sealing and extrusion, sidestepping yellow browning which can undermine the presentation of snacks, drinks, or frozen foods. Our tech support team frequently handles queries about this characteristic, sharing historical data and real-world feedback straight from brand procurement teams.
In our experience, many buyers first come in referencing numbers—lightfastness, wash resistance, shade match, and price per kilo. We always walk them through honest comparisons. Direct Yellow dyes and organic azo pigments occupy the same market, but not all perform under real-world pressure like 5GL. Cheaper blends can drop out of suspension too quickly, or fail QC for food-safe criteria. Others start out vibrant but can't withstand weeks of warehouse stowage in rough weather. We often run parallel trials, showing how competing pigments fare next to our own—always exposing product to actual working conditions. Consistent repeatability remains our edge.
Some colorants rely on ultrafine milling and surfactant-heavy coatings to maintain their flow and brightness. Those often create handling problems indoors—fine dust can escape into air or require special extraction at the plant. By contrast, Yellow 5GL’s sturdy granules create minimal airborne residue and still dissolve rapidly when stirred into water or solvent. Maintenance logs show fewer filter blockages and easier housekeeping. Operators value this, as every blocked filter slows down colored batch production, extending setup and cleanout. Each minute saved in prep and clean lines up as profit and peace of mind.
Our research and development team stays in close contact with team leaders on the floor. Their feedback on real performance has led to subtle changes in dryer curve or carrier selection over the years. These tweaks add up: more color per gram, less clogging, and improved stability at high concentration. We never chase after fads in raw materials. Instead, we stick to long-term supplier relationships and traceability in the pigment chain, which directly affects customer satisfaction. Transparent documentation on origin and ingredients is something more buyers request. We answer this proactively with batch-level data, not just what’s printed in a material safety document.
Yellow pigments can bring challenges. Raw material fluctuations, varying water quality in different regions, and more complex compliance rules for global exports create new hurdles with each passing year. We’ve managed shortages and price spikes by investing in forward planning. Our team locks core input contracts ahead of buying peaks, explains options frankly to partners, and keeps enough inventory on hand to bridge market swings. During recent disruptions, we maintained supply where others rationed orders or swapped specifications at the last minute. Customers with tight timelines value supply chain transparency, and we go beyond the minimum by publishing live stock updates and lead-time advisories rather than vague promises.
Environmental responsibility shapes every shift. Our discharge water is treated above code, not just to avoid fines but because downstream communities matter, too. Yellow 5GL receives careful handling—waste streams captured, pigment lots analyzed for persistent byproducts, and all dust contained with advanced scrubbers and pressurized rooms. These investments won’t always fit on a certificate, but they show up on plant tours and audits, where environmental and operations staff walk through the line together. On energy, our spray dryers run on upgraded burners with digital temperature control, minimizing both waste and carbon footprint. Clients who walk through the facility often ask about emissions—seeing real numbers displayed on monitors reassures visitors beyond regulatory paperwork.
Worker safety gets daily attention. Training never ends, even for senior operators. Every new lot of Yellow 5GL is checked for potential allergenicity, skin contact safety, and inhalable dust. Even proven safe products gain new reviews as science advances and detection equipment improves. Guidance sheets for safe storage, handling, and cleanup reflect decades of lessons—mistakes made, lessons learned, safer routines developed. We open the floor for feedback at weekly meetings, and any near-miss, no matter how minor, triggers a review and potential workflow update.
Trade policies between countries affect the pigment landscape. We watched tariffs and shipping lane shutdowns push up costs on base chemicals last year. Through these events, we’ve negotiated directly with producers, skipped middlemen, and arranged special logistics to avoid product aging at port. Being a manufacturer, we can adapt formulas for locally available ingredients more easily than traders limited by off-the-shelf stock. Our technical staff remains available for emergency troubleshooting, and we keep on-hand supplies in regional warehouses for critical production clients facing short notice demand.
The cost of keeping promises with Yellow 5GL adds up—labor, compliance updates, equipment maintenance, and R&D—but the return stays clear. Buyers report fewer recalls, longer running shifts, and smoother audits. In direct terms, 5GL’s reliability supports a reputation for brands who count on color to separate premium from generic. From our side, every batch delivered on grade means one more step toward long-term partnerships built on real results, not hype.
Listening fuels progress. Years ago, a major client reported variable shading in one production run. We sampled their water, reviewed process logs, and eventually determined local supply conditions affected pigment dispersion. After additional pilot-scale study, we developed a minor additive package now standard for certain regions. Another case: packaging teams reported speckling after switching to high-speed flexo presses. We revisited particle size distribution, shifted a process parameter by only a fraction of a millimeter, and saw improvements in real-world tests. These learnings circulate back into R&D, blending bench work with floor-level reality.
Quality isn’t just a number—it’s a lived experience from order to application. Each container delivered brings expectations of zero defects, minimal sediment, and a smooth run on the client’s line. When a batch doesn’t measure up, we don’t blame conditions; we trace the cause, publish root analysis, and issue make-good lots as rapidly as possible. Trust builds only through candor and consistent follow-through, which defines the feedback we give and receive—open tallies of on-time delivery and issue response.
The demand for high-performance colorants will only rise. Non-toxic, application-specific, and responsibly produced pigments—these priorities dominate the requests we hear at trade conferences and site visits. We continue investing in more precise drying, energy recovery systems, and expanded analytical tools, keeping the product ready for future regulatory and performance shifts. Clients developing next-generation food packages or introducing automated coloration systems come to us with new challenges—requirement for trace chemical signatures, smart packaging compatibility, or even higher thermal thresholds—and we welcome those challenges by tuning 5GL capabilities further.
The mission remains practical and clear: support manufacturers, from small batch start-ups to multinationals, as they introduce color faster, more confidently, with less risk and waste. Every improvement in 5GL stems from what production teams, engineers, and quality managers encounter daily. Rather than reinvent the wheel, we focus on predictable performance, open communication, and real-world adaptability. It’s a simple formula, but in industries where the stakes of a failed batch or missed delivery can run into the millions, reliability wins every time.
People ask about certifications and standards, but eyes scan more quickly for proof in action. They walk the floor, check waste bins, and review incident logs themselves before deciding if a supplier matches their values. We offer them an inside look—open door policies, unscheduled audits, continuous staff education—and back up every word with not only third-party lab results but real faces who know the pigment story inside and out. For Yellow 5GL, this means direct accountability: every drum, carton, and sample traces back to a day, a team, and a clear record.
To anyone choosing Yellow 5GL for color-intensive, regulation-sensitive work, we extend a promise built on day-to-day practice—not just paperwork. Every challenge handled, every improvement integrated, keeps shaping our approach to reliable pigment manufacturing. In an industry that measures success in repeatable results rather than marketing lines, our job is to keep delivering a colorant that helps partners thrive, now and in seasons to come.