|
HS Code |
504020 |
| Product Name | Vat Golden Yellow RRT |
| Chemical Class | Vat dye |
| Color Index Name | Vat Yellow 2 |
| Color Index Number | CI 59100 |
| Appearance | Yellow powder |
| Molecular Formula | C18H11NO6 |
| Molecular Weight | 337.29 g/mol |
| Solubility | Insoluble in water, soluble in concentrated sulfuric acid |
| Light Fastness | Excellent |
| Application | Textile dyeing (cotton, viscose) |
| Melting Point | Decomposes before melting |
| Cas Number | 8003-71-6 |
As an accredited Vat Golden Yellow RRT factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for Vat Golden Yellow RRT contains 25 kg net, sealed in a sturdy blue fiber drum with moisture-resistant inner liner. |
| Shipping | Vat Golden Yellow RRT is shipped in tightly sealed, corrosion-resistant drums or containers to prevent moisture and contamination. Packages are clearly labeled and handled according to hazardous material guidelines. During transport, the chemical is kept away from direct sunlight, heat, and incompatible substances, ensuring compliance with relevant shipping regulations. |
| Storage | **Vat Golden Yellow RRT** should be stored in a cool, dry, and well-ventilated area, away from direct sunlight, heat sources, and incompatible materials. Keep the container tightly sealed when not in use to prevent moisture absorption and contamination. Store away from oxidizing agents and acids. Ensure proper labeling and avoid dust generation during handling. |
|
Purity 98%: Vat Golden Yellow RRT with a purity of 98% is used in textile dyeing, where it ensures vibrant and uniform coloration of cotton fabrics. Particle Size 2 µm: Vat Golden Yellow RRT with a particle size of 2 µm is used in pigment printing, where it provides excellent dispersion and print sharpness. Stability Temperature 120°C: Vat Golden Yellow RRT with a stability temperature of 120°C is used in high-temperature dyeing, where it maintains color fastness and thermal stability under processing conditions. Lightfastness Grade 7: Vat Golden Yellow RRT with lightfastness grade 7 is used in outdoor fabric applications, where it delivers long-lasting color retention against sunlight exposure. pH Range 11-13: Vat Golden Yellow RRT with pH stability from 11 to 13 is used in alkaline dye baths, where it offers consistent dye uptake and process reliability. Molecular Weight 510 g/mol: Vat Golden Yellow RRT at a molecular weight of 510 g/mol is used in synthetic fiber dyeing, where it achieves deep shade intensity with minimal migration. Solubility in Sodium Hydroxide 50 g/L: Vat Golden Yellow RRT with solubility of 50 g/L in sodium hydroxide is used in continuous dyeing operations, where it enhances process efficiency and reduces residue formation. Melting Point 265°C: Vat Golden Yellow RRT with a melting point of 265°C is used in heat-setting textile procedures, where it prevents dye sublimation and color distortion. Dispersibility Index 95%: Vat Golden Yellow RRT with a dispersibility index of 95% is used in pad dyeing, where it ensures smooth and uniform dye application across the substrate. Wash Fastness Grade 4–5: Vat Golden Yellow RRT with wash fastness grade 4–5 is used in home textiles, where it provides superior resistance to fading and color loss during laundering. |
Competitive Vat Golden Yellow RRT 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!
At our manufacturing site, the development of Vat Golden Yellow RRT started with a challenge from several long-term textile clients. They explained their past difficulties with shade consistency and demanded a yellow that holds under both high-temperature processing and exposure to sunlight. Vat Golden Yellow RRT, which we manufacture with rigorous oxidation control and our proprietary refining steps, meets this need with solid repeatability in batch after batch.
We keep the synthesis clean to avoid byproducts that can dull the final tone. Our reactors operate with automated process feedback, letting us fine-tune key variables to control particle size and purity. Through years of tuning, Vat Golden Yellow RRT now offers a mid-tone yellow that stands strong. Instead of shifting to green or brown in reduction baths, it holds its golden character. In repeated pilot runs, we saw that it holds at around 98% purity, using our HPLC standard that tracks trace impurities.
Our operators, not just machines, check every batch before shipping. Decades in production have taught us to spot subtle shade drifts caused by small temperature changes. The human eye still catches what software sometimes misses.
Chemists on our R&D team listened to both dyeing technicians and their maintenance crews. Their daily feedback set the standard: produce a powder that dissolves without heavy settling or foaming, that’s easy to mix but doesn’t cake during humid months. Together with our production engineers, we scaled a model that balances dense enough granules for shipping but disperses easily when added to dye vats.
Vat Golden Yellow RRT comes in a microgranular form. We avoid fine, dusty grades because they travel through air and cause mess on the shop floor—or worse, provoke allergic responses for workers handling the product. By focusing on granule grading, we minimize airborne particles and reduce loss, giving actual usable dye content per shipment.
This microgranular model performs in both tiny lab beakers and large bulk dyeing drums. Several dye houses confirmed that the granules flow through standard feeders and mix rapidly, helping technicians save time with fewer stoppages to unclog lines.
Our quality tests grew tighter over time. We measure tinctorial strength (above 400%) as a core specification, because it matters directly to cost-in-use for customers. We use gravimetric and photometric methods to check this in every lot. We also measure particle size and water-insolubles, because customers reported that these two values influence dye bath residues and filter life the most.
Solubility under both standard sodium dithionite and advanced auxiliary systems comes checked, because modern dyers have shifted towards more eco-friendly reagents. We partnered with two denim-processing companies to run full exhaustion and fixation trials at various temperatures, and we found color yield remains above market average when tested against leading competitor brands.
Most of our customers run Vat Golden Yellow RRT on cotton. Some blend it for cellulosic or viscose rayon, or experiment with TENCEL blends. On 100% cotton, the dye excels in both room temperature and high-temperature paddings. Workers at large denim laundries tell us they value the color’s fastness under repeated industrial wash cycles.
We find that the dye works equally well for both exhaust dyeing and continuous dyeing processes, whether run on jiggers or pad-steam lines. Some specialty printers have come back to us after testing screen-printed discharge patterns and described good wash and rubbing fastness even compared to some Reactive yellows.
We recommend a standard reduction using sodium dithionite and caustic soda, watching bath pH closely. Shop data shows full color yield at pH 11–12, with aggressive reductions occasionally needed for deeper shades on thick cotton. Customers benefit from the higher reduction potential, which means lower reducing agent consumption in some lots.
In hand-dyeing workshops, artists enjoy the bright golden hue which does not easily fade to olive after steaming or washing. The powder dissolves well even in small batches, so even low-volume users see bright results.
One recurring topic in our production meetings involves unexpected delays in customer lines during the dyeing cycle. Our own service technicians have helped mills troubleshoot foaming, caking, or filter clogging caused by lower-grade yellow vats. Switching to Vat Golden Yellow RRT, customers report needing fewer bath adjustments. Settings rarely drift, and color pickup holds consistent across lots—translating into time saved, less rework, and fewer line shutdowns.
Maintenance crews underscore the importance of granule choice. Powders that float and dust around the vat cost time in clean-up and cause inhalation risk. The microgranular form of our dye prevents dusting not just during dosing but also during repackaging and weighing. Plants overseeing hundreds of drums each day trust our format for regular throughput.
Plenty of vat yellow dyes sell on paper like carbon copies. Real-life feedback from mills makes clear where Vat Golden Yellow RRT stands apart. One difference: lower levels of insolubles in finished dye baths. These insolubles, if left unchecked, plug filters and result in spotty dyeing. Through tailored purification, our finished product holds well below 0.15% on a dry basis, verified by side-by-side trials at key customer sites.
In direct shade comparison, Vat Golden Yellow RRT maintains its golden undertone without shifting too far into orange or green, even after aggressive washing and exposure. We have sent side-by-side samples along with controls from Europe and Southeast Asia to independent dye testing labs. The result: our dye keeps its hue by holding the chromophore intact through harsher laundering, with a measured lightfastness of 5–6 on cotton under standardized ISO testing. This repeats in customer feedback—uniform color even after months of product aging in the warehouse.
Foaming and dusting both cause problems for operations, especially in modern dyeing machines with sensitive sensors and pumps. Customer feedback has driven us to optimize antifoaming agents at the production step, so our dye enters the vat and disperses instead of floating on the surface or causing foam.
Compared to traditional Spirit Soluble or Liquid Vat Yellows, Vat Golden Yellow RRT offers better shelf stability and less leakage, especially important for bulk users who store drums for months. While some competition relies on old formulations, our process improvements over recent years have reduced moisture-pickup risks during transport and storage.
Our plant teams keep in close touch with both local and export-market textile mills. We often visit customer sites to observe challenges firsthand. Several improvements trace straight back to those visits. In one instance, a dye house was losing percentage yield in hot, humid weather as their existing yellow began to clump. We responded by finetuning our drying and granulation so that Vat Golden Yellow RRT held flow and did not cake in their bins even in rainy season.
Another round of feedback came from garment printers using screen beds. They needed a golden shade with less tendency to stain screens or leave residues. We altered our purification step and substituted a more stable base material, leading to far fewer blocked screens. Experienced workers rely on dyes they trust to be predictable, especially with just-in-time color orders where time lost to rework means lost profit.
Those changes, drawn from personal exchanges on plant floors and in dyehouse canteens, shape the product far more than a committee of R&D engineers removed from daily operations.
The push for more sustainable dyes puts pressure on all chemical producers to reduce waste, lower water consumption, and improve handling safety. We run our own effluent treatment ponds and have invested in condenser upgrades to recapture solvents, aligning with what downstream customers tell us regulators increasingly demand. Vat Golden Yellow RRT now meets strict discharge standards for heavy metals and AOX, opening more doors for customers needing to pass green audits.
Some customers, especially in Western European markets, require REACH-compliance and full traceability of raw materials. We keep updated certificates online, and welcome visiting auditors to our facility. By making our batch records available for review, we help customers maintain full documentation throughout their own supply chain. This sets apart our dye for those needing to export finished fabrics or garments under tight environmental benchmarks.
Throughout the shift toward digital automation in textile production, customers increasingly ask for digitized color profiles and repeatability. We provide CIE-L*a*b* values for every batch and offer shade matching on request, which lets mills plug our data into their own digital management systems for tighter control. This reduces disputes around shade differences and keeps customer trust high.
We remember times, years back, when dye dust created health complaints among mill workers. One lesson—never ignore how a product handles on the floor. Shifting all our large-pack sizes to lined drums with sealed microgranules, instead of bags of powder, has cut down airborne particles and helped our buyers get cleaner storage rooms and less exposure risk in daily scooping and weighing chores.
Every year, we train our own plant staff on handling safety, and we pass those practices on to buyers through site visits and workshops. Labeling covers GHS standards, and we include fresh Safety Data Sheets with every lot. Health, for both users and our own teams, stays a daily priority, not a compliance checkbox.
A chief complaint from major textile buyers involves missed schedules due to inconsistent supply. Our logistics and production team work together to keep three months’ buffer stock of Vat Golden Yellow RRT at all times. We set up local stocking points for export customers in South Asia and Latin America, which helps buyers avoid long waits during local transport slowdowns. Several clients tell us this alone keeps their own customer service levels up, even as volatility hits the global chemicals market.
Because we build the supply chain from raw material all the way to final shipment, we control every variable—raw input screening, in-process sampling, and finished product QC. With this approach, we rarely face unexpected shortages and buyers avoid the risk of mid-season shade switches that hurt margin and customer confidence.
Every phone call or email we get from users teaching us about an issue with Vat Golden Yellow RRT becomes an opportunity for improvement. We built our technical support team from former dyers, finishers, and color technicians. Their expertise brings practical responses—not just theory from manuals. Recently, several exporters asked for a detailed trace impurity report alongside each batch’s COA, which we now include as standard. That move came directly from listening to end-users needing deeper documentation for their own clients in regulated markets.
By staying close to reality on the shop floor, we can quickly adapt specs or offer tailored batches. Flexible production lets us adjust particle profile or solubilization aids for users with niche needs, such as hand-dyeing artists or automatic dosing lines in high-tech mills.
Beyond providing the physical product, we support textile mills and converters by running regular shade-matching and process troubleshooting workshops. Our teams visit production sites, help with machine calibration, and walk operators through the actual vat reduction and application process. The partnership extends to troubleshooting stains, false shades, and filtration problems—realities that slow down output and hit profit on large dyeing runs. Our experience from years of on-site support ensures customers trust us to get production running right, even under pressure.
At times, we get calls late in the day from a plant manager under deadline to fulfill a sensitive export order. Drawing from our archives of successful batch formulations and past problem-solving, we quickly send advice and, if needed, a rapid replacement shipment. Since our technical specialists have spent years on both manufacturing and application sides, they deliver more than scripts; they offer tactics for real issues mills face hour to hour.
We’ve seen technology in dyeing evolve quickly—more automation, smarter dosing controls, and a rising focus on closed-loop water and dye systems. That puts new expectations on how Vat Golden Yellow RRT fits into tighter environmental footprints, more demanding shade reproducibility, and compatibility with process automation.
Our R&D team stays busy testing ways to further reduce residual salts and auxiliary demand, aiming to help customers cut water and chemical use as regulations tighten. We’re trialing new micronization equipment to improve flow properties year-round. We keep expanding the pH operating range so customers with older equipment or water quality challenges can still meet shade targets without extra rework.
Requests have risen for 100% bio-based alternatives and safer handling claims; so we’re working side by side with industry consortia to develop lower-impact pathways for the next generation of vat colors. Over the years, real improvements come from these partnerships—not alone in the lab, but in full transparency with the mills, printers, and dyers who put our products to the test.
At our factory, the commitment is simple. We listen to what dyehouse managers, machinists, and color-match technicians ask of yellow vat colors, and we answer with product and process improvements backed by facts and tested in the field. Vat Golden Yellow RRT was not built just from theory or test tubes, but through decades of collaborative work with textile professionals. We keep our promises batch to batch, season to season, so customers can focus on the fabric, not the dye.