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HS Code |
714447 |
| Cas Number | 39445-84-6 |
| Chemical Name | Acid Green 50 |
| C I Number | Emerald Green 14 |
| Molecular Formula | C27H25N2O7S2Na |
| Molecular Weight | 576.62 |
| Appearance | Green powder |
| Solubility | Soluble in water |
| Dye Class | Acid dye |
| Usage | Textile and ink industry |
| Melting Point | Decomposes |
| Iupac Name | Sodium 4-[(4-dimethylaminophenyl)(4-hydroxy-2-sulfonatophenyl)methylene]-[1,1'-biphenyl]-2-sulfonate |
| Lightfastness | Moderate |
| Ph Range | 4-6 |
As an accredited Acid Green 50 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Acid Green 50 is packaged in a 25 kg fiber drum with a secure lid, labeled with product name, batch number, and hazard warnings. |
| Shipping | Acid Green 50 is shipped in tightly sealed containers, typically drums or bags, to prevent moisture absorption and contamination. The chemical should be transported and stored in a cool, dry, well-ventilated area, away from incompatible substances. Handle with appropriate safety measures, including personal protective equipment, as per regulatory guidelines. |
| Storage | **Acid Green 50** should be stored in a tightly closed, labelled container, away from incompatible materials such as strong oxidizers and acids. Keep in a cool, dry, well-ventilated area protected from moisture, direct sunlight, and sources of ignition. Implement secondary containment to prevent accidental release and ensure easy access to spill clean-up materials. Use appropriate PPE when handling. |
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Purity 98%: Acid Green 50 with purity 98% is used in textile dyeing processes, where it ensures vibrant and uniform coloration of synthetic fibers. Lightfastness Grade 5: Acid Green 50 with lightfastness grade 5 is used in automotive upholstery coloring, where it provides exceptional resistance to fading under prolonged sunlight exposure. Particle Size ≤10 µm: Acid Green 50 with particle size ≤10 µm is used in inkjet printing applications, where it enables smooth dispersion and sharp print resolution. Aqueous Solubility 50 g/L: Acid Green 50 with aqueous solubility of 50 g/L is used in paper coating formulations, where it allows for easy blending and consistent shade distribution. Stability Temperature 120°C: Acid Green 50 with stability temperature of 120°C is used in high-temperature leather dyeing, where it maintains color integrity and prevents thermal degradation. Molecular Weight 650 g/mol: Acid Green 50 with molecular weight 650 g/mol is used in cosmetic formulations, where it offers controlled color intensity and compatibility with aqueous gels. pH Stability Range 3–7: Acid Green 50 with pH stability range 3–7 is used in food packaging inks, where it resists color change and degradation under acidic to neutral conditions. Melting Point 195°C: Acid Green 50 with melting point 195°C is used in plastic resin coloring, where it allows for uniform melting and thorough dispersion during extrusion processes. |
Competitive Acid Green 50 prices that fit your budget—flexible terms and customized quotes for every order.
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Tel: +8615365186327
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Decades in dyes manufacturing teach lessons no catalogue can capture. Acid Green 50, with its vibrant, unmistakable green hue, continues to serve textile producers who demand dependable, repeatable performance in their processes. As a factory producing dyestuffs for both domestic and overseas customers, each step — from raw material sourcing to final inspection — runs with oversight born of experience. There are plenty of acid dyes calling themselves “pure” or “universal,” but not every batch survives close scrutiny, especially in markets that value long-term business over one-off transactions.
We choose Acid Green 50 for projects where colorfastness cannot be left to chance. The molecular integrity of this dye makes or breaks it in real-world conditions. Textile plants — whether printing intricate patterns or producing solid shades — need a pigment that resists bleeding and streaking during washing and light exposure. Our batches undergo routine lightfastness and wash fastness testing. It’s not enough for the color to look bright at the first glance. Over time, poor-quality dye fades or shifts tone, leading to customer complaints and production headaches. The stability of Acid Green 50 in our formulation gives manufacturers confidence batch after batch.
Years on the factory floor show which specifications carry weight. The commercial form of Acid Green 50 we ship tends to be a finely milled powder, optimized for rapid dissolution and minimal filtration during dye bath preparation. This mitigates specks or particulates that might mar the final textile appearance. The color yield — the dye’s strength and depth on fabric relative to its dry weight — directly impacts costs and quality. Laboratories in charge of R&D and quality assurance must keep a close watch on each delivery, using the same standard curves and spectrophotometric measurements that have guided us since our earliest days. Working this way may not look flashy from the outside, but it keeps rejects and complaints to a minimum.
Process engineers often come to us for details about Acid Green 50’s compatibility with various substrates. Wool, silk, nylon — all respond well to this dye under acidic conditions, provided the pH and temperature are adjusted with care. Every mill runs its own recipe, but we share our practical experience to shorten their learning curve. In blends, Acid Green 50 shows less migration and more even penetration than several alternatives, helping achieve consistent fabric results at both sample and bulk scale.
Factories have faced growing scrutiny from regulators and global buyers asking about the chemical makeup of the dyestuffs used in export textiles. Our formulation avoids banned amines or hazardous heavy metals. Workers in our own plant handle Acid Green 50 under documented safety protocols, with proper protective equipment and air handling systems to maintain occupational health. Many brands and retail chains insist on certification. Through ongoing audits and transparency, we ensure our product stands up to third-party inspections.
Dye houses dislike surprises. Acid Green 50’s solubility remains stable through a range of temperatures and concentrations, supporting automated dosing and jet-dyeing machinery. That reliability tightens scheduling and reduces the risk of re-runs. With large-scale orders, uniformity batch-to-batch is not a bonus — it’s a requirement. Subtle particle size controls and proprietary blending help preserve that lot-to-lot consistency. Some competitors may focus on price, but too many times we’ve watched mills pay more in downtime or corrective runs than they ever saved per kilogram.
It’s easy to spot Acid Green 50 from general-purpose acid greens once you know what to look for in the process. Many dyes, though similar in shade on a color card, show their flaws under production stress. In reactive or direct dyes, of course, performance on protein fibers doesn’t compare. Cheaper acid dyes sometimes break down during steaming, leaving uneven shades or rings. We’ve refined our formulation so that, in steam or rapid-wash environments, Acid Green 50 maintains sharp outline and depth. Knitwear producers, in particular, report fewer backstaining and patchiness issues with our material.
We work directly with equipment makers and finishing specialists to improve recipes across a variety of textile categories. For silk scarf dyers, the nuance in Acid Green 50’s application can mean the difference between elegant depth and muddy undertones. Sportswear makers value its fastness, especially against UV exposure and repeated washing. Apparel brands focused on sustainable production look for substance without persistent organic pollutants or restricted components. Every new buyer has questions; experience with regulatory paperwork, physical application, and troubleshooting gives us answers grounded in reality.
Batch dyeing remains the lifeblood of many textile regions. Acid Green 50 fits seamlessly into most existing dyeing setups, and works well in both open-bath and continuous processes. Minimized foaming and rapid exhaustion on wool or nylon keeps cycles short, which means reduced utility consumption and less dye left in spent baths. Effluent management now ranks near the top of buyer priorities, especially in markets facing stricter water quality controls. Our formulation delivers high exhaustion rates with reduced auxiliary chemical usage — in effect, less waste down the drain.
Large-scale contracts in the upholstery and carpeting sectors depend on trouble-free production cycles. Once, a major customer in carpets faced recurring streaks during jet dyeing with a competitor’s acid green. Weeks of reprocessing and claims followed, until field trials with our Acid Green 50 replaced the problematic lots. The shift eliminated streaks, raised yield, and restored order to their dyehouse routine. That direct feedback, over the years, has pushed us to further refine the product and ensure each kilo leaving our facility meets the same standard.
Quality controllers trust but verify. Spectroscopic analysis, wet and dry rub fastness, migration tendency — these checkpoints drive week-to-week decisions in every serious dyehouse. Offering a product as widely used as Acid Green 50 means no shortcuts at the plant. Each batch, sampled at random, must clear test runs matching textile end-user demand. Instances of contamination or altered hue — even fractional — quickly reach the commercial level and can stall shipments across continents. Our ongoing investments in closed system milling, raw material storage, and finished goods inspection reflect the real costs of poor quality.
We receive bulk supply requests from both established mills and startup garment makers each year. Our technical support lines, staffed by chemists with hands-on plant experience, handle troubleshooting in multiple languages. Specific recommendations — from pH adjustment to auxiliary choices — often make all the difference when switching to our Acid Green 50. We also provide support for certification or document requests, smoothing the path for downstream compliance. Transparent records and direct process feedback close the loop on accountability, both within our operation and across the supply chain.
Every year brings new trends. Color cards change, fabric blends evolve, and machinery advances. Some competitors rush to meet every fleeting request; we focus on keeping Acid Green 50 tuned for the high-volume textile trade. We’ve coordinated multi-tonne contracts to garment exporters in Southeast Asia, smaller lot deliveries to artisanal weavers in Turkey, and supported R&D batches for technical textiles across Europe. There is always pressure to adjust shade or reduce cost without sacrificing reliability. Our R&D team regularly works alongside customers to tweak process variables, finding workable solutions that don’t trade performance for price.
Dye compatibility with auxiliaries can seem like a minor detail but determines trouble-free finishing. Our in-house process development years ago showed how certain leveling agents or pH adjustments impact Acid Green 50 uptake on nylon. Sharing that knowhow with customers saves them countless hours in trial-and-error on production runs. Supporting documentation often reveals chemical details not noticed at first glance — things like heavy-metal content or breakdown products, which figure more in export and brand-name garments. We verify all outgoing production against the strictest standards, providing peace of mind in a competitive and regulated industry.
Buyers want color consistency with a smaller environmental footprint. We source our main intermediates from audited suppliers and monitor emissions at every step in synthesis and blending. Modern waste treatment units on site handle effluent and byproducts, minimizing impact on local waterways and ensuring compliance with stricter discharge limits. For plants with zero-liquid-discharge or tight treatment requirements, knowing the dye will exhaust cleanly and not complicate their operations carries real value. Delivering consistent quality means plants can optimize processes instead of firefighting unexpected failures.
We see producers across Asia, the Middle East, and Africa facing water cost increases and tighter environmental regulation. In these regions, Acid Green 50’s high exhaustion and clean rinse-out reduce water demand and simplify wastewater handling. Technicians in field audits report lower levels of dye carryover into final rinse compared to older acid green types. Supporting environmental goals isn’t just about ticking boxes. Chemical management must work in practice on the shop floor, day after day — with Acid Green 50, this extends from reliable production yield to responsible end-of-pipe performance.
Every buyer eventually asks what makes one batch more reliable than another. Our answer draws from the small details in production, not just marketing claims. Lot-to-lot shade matching in Acid Green 50 relies on blending operations honed by years of feedback from finishers who know what faults look like under a magnifying glass. A batch that yields acceptable color in one company's process might cause problems elsewhere if the manufacturing chemistry is off by even a few ppm of byproduct.
Some customers have pressed us to cut cost by simplifying filtration or using less refined intermediates. Every time, we’ve explained the risks. Filter shortcutting once left a prominent weaver with undissolved specks in their jet dyer, disrupting what should have been a simple order. They switched back to our regular production after losing time and material on troubleshooting lapses. It’s not just a matter of pride in producing clean dye — it is the real cost of smooth, interruption-free production for our partners.
Sustainability and innovation shape today’s textile industry, but not every new idea holds up in the field. We have worked with customers developing waterless dyeing, digital print applications, and novel biopolymer blends that still count on the reliability of Acid Green 50. In these projects, the track record matters more than a promise. Some upstart dyes appear on the market with cheaper synthesis but fail stress tests or age poorly on shelf. By maintaining quality controls and close relationships with process engineers, our Acid Green 50 adapts without drifting from what’s made it a staple in the trade.
Technical support doesn’t end with the sale. Unforeseen issues — finishing, migration, compatibility with new fabrics — show up in every mill eventually. Our teams have worked on-site to resolve fastness surprises, from yarnhouses scaling up new blends to apparel makers testing wear-and-wash cycles. This practical partnership, grounded in clear laboratory data and field application, separates producers from simple traders or marketers.
As standards climb — whether from global brands or local governments — only those willing to keep audit trails and share real technical knowhow will hold market trust. Acid Green 50’s place in our product line reflects experience, not just historical popularity. Continuous improvement doesn’t only mean new features; often it means preventing the old mistakes from recurring. We monitor incoming raw materials, maintain batch records, and keep open lines to our customers for feedback and issues, no matter where their factory sits.
Our manufacturing outlook prizes conservative transparency over the promise of quick gains. That has built long-term relationships and prompted buyers to stick with Acid Green 50 through changing market forces. What counts — from the smallest silk scarf plant to the largest carpet mill — is a dye that closes the gap between technical spec and plant floor reality. After years of hearing what works and what breaks, those lessons drive us to keep refining every aspect of our Acid Green 50 — so that, for the people who depend on it, the difference is real and tangible.