Acid Yellow 6G

    • Product Name: Acid Yellow 6G
    • Alias: C.I. Acid Yellow 36
    • Einecs: 220-654-0
    • Mininmum Order: 1 g
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: admin@ascent-chem.com
    • Manufacturer: Ascent Petrochem Holdings Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    327970

    Product Name Acid Yellow 6G
    Chemical Class Azo dye
    Color Index Number C.I. 13065
    Appearance Yellow powder
    Solubility Soluble in water
    Molecular Formula C16H13N5Na2O7S2
    Molecular Weight 497.42 g/mol
    Ph Value 5.0–7.0 (1% solution)
    Light Fastness Moderate
    Application Textile dyeing
    Melting Point Decomposes
    Storage Conditions Keep in tightly closed containers in a cool, dry place
    Cas Number 12220-69-2

    As an accredited Acid Yellow 6G factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Acid Yellow 6G is packaged in a 25 kg fiber drum lined with plastic, labeled with product details and safety information.
    Shipping **Shipping Description for Acid Yellow 6G:** Acid Yellow 6G should be shipped in tightly sealed, clearly labeled containers, protected from moisture, heat, and direct sunlight. The chemical must be handled as a potentially hazardous dye, with appropriate safety documentation, and transported in accordance with local, national, or international regulations for hazardous substances.
    Storage **Acid Yellow 6G** should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from direct sunlight and incompatible substances such as strong oxidizers. Ensure the storage area is equipped with appropriate spill containment. Avoid exposure to moisture and store away from heat sources. Proper labeling and secondary containment are recommended to prevent accidental releases.
    Application of Acid Yellow 6G

    Purity 98%: Acid Yellow 6G with purity 98% is used in wool dyeing applications, where it provides vibrant and uniform color shades. Solubility High: Acid Yellow 6G with high solubility is used in silk printing processes, where it ensures rapid and consistent dye uptake. Particle Size Fine: Acid Yellow 6G with fine particle size is used in inkjet ink formulation, where it enables smooth dispersion and minimal nozzle blockage. pH Stability Range 3–7: Acid Yellow 6G with pH stability range 3–7 is used in leather finishing baths, where it maintains color integrity during acidic processing. Lightfastness Grade 4: Acid Yellow 6G with lightfastness grade 4 is used in nylon textile coloring, where it delivers moderate resistance to fading under sunlight exposure. Moisture Content <1%: Acid Yellow 6G with moisture content below 1% is used in powder coatings, where it prevents lump formation and enhances storage stability. Molecular Weight 350 g/mol: Acid Yellow 6G with molecular weight 350 g/mol is used in aqueous dye solutions, where it achieves optimal solubility and penetration. Melting Point 210°C: Acid Yellow 6G with melting point 210°C is used in heat-set printing inks, where it withstands high curing temperatures without degradation. Heat Stability Up to 160°C: Acid Yellow 6G with heat stability up to 160°C is used in paper dyeing, where it ensures enduring color during thermal processes. Salt Tolerance High: Acid Yellow 6G with high salt tolerance is used in reactive dyeing systems, where it reduces color loss in saline conditions.

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    Certification & Compliance
    More Introduction

    Acid Yellow 6G: A Manufacturer’s Perspective

    A Commitment Rooted in Chemical Craftsmanship

    Decades in chemical production have taught us that every pigment brings its own character to the table, and Acid Yellow 6G holds its place with quiet pride. We have kept refining its synthesis not because it’s expected of us, but because we know what happens on the shop floor and in dyehouses when quality slips, even by a hair. Our team, from R&D chemists to our operators, has lived through tight spots in production and coloring processes where only the right batch made all the difference. Acid Yellow 6G is known for consistently giving textile finishers and paper makers the results they ask for, without turning the process into a guessing game.

    Down to the Essentials: Properties and Model

    Acid Yellow 6G is an azo dye, structured to offer bright, lemon-yellow tones, commonly supplied as a powder or granulate. Specific gravity hovers near 1.4, with good water solubility—a fact we verified in our own tanks by varying temperatures and agitation rates, not relying on textbook values. The dye bath takes it up rapidly, whether someone is using it in a continuous dye setting or batch-wise. Its C.I. designation is 13065, a label well-recognized by colorists around the world.

    Our standard product grade targets a dye content of 90% minimum, carried by sodium salts and minute moisture content to protect shelf life and flow. Some competitors relax purity, especially on bulk contracts, to cut costs. We don’t do that, because we’ve seen what happens in an exhaust dye run when an off-spec batch leads to uneven take-up or murky hues. Our Acid Yellow 6G powder disperses cleanly, leaves minimal sediment, and supports all common auxiliary combinations—testing this on wool, nylon, silk, and paper pulp, not just in lab vials, but in full-scale production lots.

    Application Experience In Textile and Paper Plants

    If you walk a dyehouse floor, you’ll hear stories about batch-to-batch headaches with some commodity dyes. Our partners in the textile sector say that Acid Yellow 6G produces reliable shade depth, especially in wool and polyamide blends. We’ve stood in the finishing rooms to watch operators manage shade correction. With bleach-wash fastness and reproducibility running high in independent QC reports, the downtime for re-dye is measurably reduced.

    In paper production, this pigment finds regular use in coloring specialty papers. During pulp mixing, the granulated form dissolves fast, which helps avoid streaking or clumping—issues we have worked through with operators first-hand. By monitoring turbidity at each step and pulling real-time samples, we’ve confirmed that customers see less filter clogging and waste. It’s rare to find a yellow that handles such a range of pH values and temperature swings, but Acid Yellow 6G delivers on both fronts—directly observed across numerous industrial ink and coating applications.

    Standout Differences: Why Acid Yellow 6G Isn’t Just Another Azo Dye

    Let’s be clear—a lot of yellow acid dyes exist, each promising economic use and high brightness. The reason many finishers and paper mills return to Acid Yellow 6G comes down to its stability in heavy-duty processing. Our R&D staff have run hundreds of small- to large-batch dyeings in-house. Acid Yellow 6G develops a clean, intense yellow without dullness or excessive migration. Compared to Acid Yellow 17 or 36, it demonstrates far better tolerance to metal ion contamination—a feature that matters in old installations where piping and water sources introduce variability. We’ve supplied this dye to both large international brands and small local players, and in both cases, feedback lands on its dependable, repeatable performance, especially when the recipe gets scaled up or equipment has quirks.

    Acid Yellow 6G also creates fewer foaming issues under agitation—a point we’ve not just read on a spec sheet but seen at our own finishing lines. From experience, competing products sometimes cause persistent foam, which affects bath leveling and generates downstream cleaning hassles. Technicians at our client facilities have reported more stable operations and fewer interruptions after switching to this product.

    Understanding Regulatory Focus and Sustainability Goals

    No modern manufacturer can ignore regulatory trends. Acid dyes have long drawn attention for their environmental impact, especially around effluent treatment. Our approach starts before a shipment leaves the plant—we minimize heavy metal traces and avoid hazardous auxiliaries, something that not every supplier does with the same rigor. Our internal analytics, using HPLC and ICP-OES, have consistently confirmed compliance with REACH and major eco-label criteria for key European and Asian markets.

    Disposal and wastewater treatment are the next big hurdles. Lowering AOX and COD in dye plant effluent isn’t just a compliance checkbox; it’s about keeping operations welcome in communities, because we live near these facilities too. By working with customers on color-fixing auxiliaries and tailoring bath chemistry, we reduce unfixed dye discharge at the source. On the production line, we apply counter-current extraction and closed-loop water systems, cutting actual effluent loads. These details might go unnoticed by outsiders, but they’re what make the difference between a local permit and a shutdown order.

    Real-World Customer Voices

    Those of us who have visited dyehouses know that operators aren’t interested in theoretical claims. They want to see actual results in their vats or pulp lines. We value field feedback above all. One technical manager from a Turkish nylon yarn plant told us that after switching to our Acid Yellow 6G, re-processing rates dropped by two-thirds over six months. Lower off-shade rates mean less waste, less steam, and fewer headaches. Another long-time partner in Gujarat’s paper industry mentioned that finer granules made dosing more accurate and cut down handling dust substantially. That’s not a figure you see on most technical data sheets, but it gets talked about at user meetings.

    These improvements come out of a hands-on approach we take—visiting facilities, watching production, sampling on the line, and bringing back learnings to tweak our process. We don’t claim Acid Yellow 6G fixes every shop problem, but we do know it brings reliable performance and a cleaner work environment into reach. It’s our job to keep it that way batch after batch.

    Why Consistency Beats the Race to the Bottom

    Commodity pricing can push some manufacturers to cut corners—swapping cheaper raw materials or skipping crucial filtration stages. In our plant, we have learned through bitter experience that every shortcut in the dye kettle or drying furnace comes back as a customer complaint or a reworked batch. Acid Yellow 6G gets extra checking at every stage. We run extra filtration and particle size analysis before packaging. That means fewer clogging episodes in high-pressure jets and less equipment downtime. Each kilo of dye that leaves us has been verified not just by high-speed QC, but by actual dyeing and application in our own facilities, because we know what happens when an unexpected contaminant or byproduct shows up mid-shift.

    This product achieves its reputation not by chasing costs but by outlasting uncertain conditions in the real world. We’ve weathered surges in demand, raw material shortages, and logistics logjams—all without sacrificing batch reliability. We don’t shy away from sharing process details with our customers, either. We’ve spent lab time collaborating with colorists to resolve tricky compatibility questions, right down to the auxiliary combinations used on new synthetic fibers. This “open shop” policy cuts misunderstandings and helps keep everyone moving in the same direction.

    Beyond Standard Use-Cases: Flexibility in the Field

    Acid Yellow 6G holds its own in sectors beyond traditional fibers and papers. In ink manufacturing, our partners need rapid dissolution and true shades for toner bases or highlighter pens. It took a few trials to find the best grind and blend protocols, but once in place, feedback was immediate: production speed went up, waste went down. In adhesives and coatings, small batch producers often have less automation, so easy weighing and minimal dusting matter. We adjusted our granule size accordingly, after multiple rounds of feedback from local blending workshops.

    Animal feed and bio-based packaging end-users call out a new set of demands—food safety, migration resistance, and color stability under light. Acid Yellow 6G isn’t designed for direct food contact, but it does get scrutinized for trace impurities and decomposition products. We have run accelerated lightfastness and thermal tests at our own labs and shared the outcomes with partners before commercializing new grades, taking the time to vet not just immediate usability but long-term shelf life under real storage and shipping conditions.

    For those working with high-speed production lines, such as nonwoven textiles and technical papers, the product needs minimal downtime for cleaning and changeover. Here, our decision to keep the formula clean and free from excessive anti-caking or flow aids makes post-use cleaning far easier, and allows line speeds to stay high, which users have confirmed through their own OEE tracking.

    Responding to Evolving Industry Needs

    New fiber technologies and manufacturing approaches surface yearly. Polyester blends, specialty functional fibers, and technically demanding paper applications push dyes to their limits. Early on, Acid Yellow 6G was just another color in the range. Facing these new requirements, our technical team partnered with fiber and coating innovators to see where adjustments in the purification train would yield tighter color control or improved migration resistance, especially under harsh finishing regimes. That willingness to adapt—rerunning filtration, revisiting drying cycles, refining salt chemistry—underpins how the product keeps up with industry change.

    No process is ever static. Last year, we updated our drying protocols to cut down fine dust generation, after reviewing feedback from respiratory exposure studies in operator settings. Such improvements do not just result in safer workspaces; they also help improve the shelf life of the packaged product. We recognize that every tweak in the plant has consequences for people using Acid Yellow 6G downstream, whether in a dye bath on the other side of the world or in a coating line a few kilometers away.

    Supply Chain, Storage, and Ongoing Support

    Logistics is often about much more than just moving bags on pallets. Acid Yellow 6G travels from our production warehouse, weathering shifts in humidity and temperature, often across continents. We select laminated, multi-layer packaging not for marketing, but because we’ve seen bags degrade during monsoon shipments, risking contamination and costly recalls. We track conditions throughout the shipping process, and maintain inventory control by batch. Customers who ask for staggered delivery see updated COAs matching each lot. These details slow down distribution in the short term, but have saved more than one customer from unexpected headaches and operational loss.

    After delivery, our technical team remains involved. Whether a customer is troubleshooting unexpected shade drift or scaling up a new process, our hands-on support goes beyond phone consultations. We conduct on-site audits, run side-by-side trials on client equipment, and share troubleshooting cheat-sheets rooted in real-world application data, not just general advice. Our support workflow values every piece of feedback—good, bad, or strange—because those stories drive the next round of product or process improvement back at our site.

    Honoring Product Integrity for Sustainable Growth

    Sustainability conversations in dye manufacture touch on topics that never stay settled for long. With Acid Yellow 6G, our biggest investment lies in closing material and energy loops wherever possible. Our plant has reclaimed heat from drying exhaust to pre-warm incoming raw materials; we use process water in multiple stages before final polishing. These choices rise from daily operational realities, not just targets set on PowerPoint charts. We take these extra steps not for marketing, but because they drive costs down and help fulfill future environmental standards, which can only get stricter.

    Stakeholders in today’s dye industry look for consistent, high-performance products from companies unwilling to cut corners. Acid Yellow 6G stands as evidence of what is possible when each process is tested, retested, and refined through honest feedback and transparent practices. It serves companies relying on optimal shade consistency and operational reliability—whether that’s a first-time buyer running initial sampling or a multinational vetting performance across hundreds of locations. In our experience, such products anchor long-term partnerships, open the door to innovation, and create value far removed from bargain-bin chemistry.

    Chemical manufacturing used to focus on yield and cost. The current landscape demands much more—responsiveness, attention to downstream impacts, and a real willingness to face operational challenges head-on. For Acid Yellow 6G, every batch we ship is backed by this culture. Every improvement and adjustment stems from what we have seen, been told, and measured. So for those seeking more than just a yellow powder, but a reliable, transparently-made dye able to keep pace with business and regulatory change, our doors remain open. Our product evolves the same way our partnerships do—with trust, accountability, and pride in what we make and how we make it.

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