Acid Green 27

    • Product Name: Acid Green 27
    • Alias: Sandocryl Green G
    • Einecs: 235-866-7
    • 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

    552562

    Cas Number 3952-78-1
    Ec Number 223-564-2
    Molecular Formula C27H25N2NaO7S2
    Molecular Weight 576.62 g/mol
    Iupac Name Sodium 4-[(4-dimethylaminophenyl)(4-hydroxy-2-sulfonatophenyl)methylene]-3-methyl-1-phenyl-2-pyrazolin-5-one
    Appearance Green powder
    Solubility Soluble in water
    Color Index Number 10008
    Class Acid dye
    Light Fastness Moderate
    Purity Typically >85%
    Melting Point Decomposes

    As an accredited Acid Green 27 factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Acid Green 27 is packaged in a 25 kg fiber drum with a secure lid, labeled with hazard symbols and product details.
    Shipping Acid Green 27 should be shipped in tightly sealed containers, protected from moisture and direct sunlight. Follow relevant international shipping regulations, including labeling as a dye and handling with care to avoid spills. Ensure the transport vehicle is well-ventilated, and provide proper documentation. Store separately from incompatible substances during transit.
    Storage **Acid Green 27** should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizing agents. Protect it from moisture, direct sunlight, and extreme temperatures. Ensure containers are clearly labeled and avoid generating dust during handling. Proper storage conditions help prevent decomposition and maintain product stability.
    Application of Acid Green 27

    Purity 98%: Acid Green 27 with 98% purity is used in textile dyeing of polyamide fibers, where it delivers high chromatic intensity and uniform shade distribution. Molecular weight 452.48 g/mol: Acid Green 27 with molecular weight 452.48 g/mol is used in analytical laboratories for pH indicator formulations, where it ensures reproducible color transitions. Particle size <5 μm: Acid Green 27 with particle size less than 5 μm is used in inkjet printer inks, where it provides superior dispersibility and print clarity. Stability temperature up to 120°C: Acid Green 27 with stability at temperatures up to 120°C is used in high-temperature wool dyeing, where it maintains hue stability and minimizes decomposition. Solubility in water 45 g/L: Acid Green 27 with solubility of 45 g/L in water is used in aqueous leather dye baths, where it enables deep penetration and consistent coloration. Melting point 250°C: Acid Green 27 with a melting point of 250°C is used in the coloration of synthetic fibers, where it withstands thermal processing without degradation. Lightfastness rating 4-5: Acid Green 27 with a lightfastness rating of 4-5 is used in outdoor textile applications, where it offers resistance to fading under UV exposure. pH stability range 2-6: Acid Green 27 with pH stability from 2 to 6 is used in acidic dye baths for silk dyeing, where it maintains vibrant and stable hues.

    Free Quote

    Competitive Acid Green 27 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

    Get Free Quote of Ascent Petrochem Holdings Co., Limited

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Acid Green 27: A Reliable Choice from a Dedicated Chemical Manufacturer

    A Close Look at Acid Green 27

    In our production halls, Acid Green 27 always draws special attention due to the richness it brings to everything we work on. This dye, also known as Sandolan Fast Green 5GL, shines with a vibrant, deep green color that holds up under demanding industrial processes. Our manufacturing process has grown alongside decades of customer feedback and scientific refinement. We listen closely to users in textiles, paper, and plastics. No surprise, Acid Green 27 stays a staple in their dye inventory. This speaks volumes about its strong brilliance and consistent performance.

    We produce Acid Green 27 in both powder and granular forms. Customers often select it by model: C.I. 42080. It dissolves smoothly in water, giving a vivid green solution—no grit or residue left behind in our quality-controlled batches. Compared to many basic or direct dyes, the sharpness in coloring comes out more pronounced, allowing our partners the flexibility to work with lighter concentrations without sacrificing intensity.

    Applications That Shape Our Production

    Every chemical in our catalog tells a story about where it ends up. Acid Green 27, for us, reflects the pulse of textile mills. They use it for wool, silk, and nylon dyeing, counting on its ability to deliver strong, clear hues that resist fading through repeated washing or exposure to light. In the paper industry, Acid Green 27 proves steady. It gives printed and specialty papers their unique vibrancy. Paper processors tell us they appreciate the color’s stability above all else, especially given the rigorous demands of certain print jobs.

    This dye’s reach has grown into coated and specialty plastics. Our partners on the plastics side favor Acid Green 27 for its high tinctorial strength and outstanding process stability. Even under elevated temperatures and shearing forces during extrusion or molding, there is no loss in shade or depth. We run frequent tests to pinpoint the performance of each batch under extreme conditions, because our customers request it—and because nothing beats the confidence of reliable color.

    Why Properties of Acid Green 27 Matter

    In the dye industry, properties drive decisions. Acid Green 27 stands out primarily for its purity and its ability to produce intense color without wasteful overuse. We maintain high-assay lots by screening raw materials and verifying chemical structure throughout synthesis; this delivers consistently high dye content, rarely drifting from our laboratory benchmarks of 98% or better. Chemists in partner labs regularly report back: they need less dye than competitors' products to achieve the same visual impact. This means a smaller chemical footprint and cost savings, something factories across Asia and Europe have validated in their own comparisons.

    Our customers share real-world case studies. Wool processors, for instance, remark on Acid Green 27’s excellent fastness ratings. Once applied, the dye binds firmly, and garments pass tough perspiration and washing tests in standardized protocols. Textile standards bodies in different countries, including those following ISO compliance, list Acid Green 27 among the few acid dyes that show such high-level consistency run after run.

    Differences That Define Acid Green 27

    Experience drives every step we take in the factory. Over the years, competitors have offered up similar “acid green” products, yet seasoned dyers spot the subtle differences. Our Acid Green 27 carries a specific shade depth—neither blue-shifted nor dull—that pairs with other dyes seamlessly. This isn’t random: the color profile arises from our commitment to process purity and the tightest manufacturing controls. With no detectable impurities above 0.5%, side reactions and off-colors rarely show up in output batches, so customers get what they expect.

    Shelf life also matters, especially where stock rotations run slow in large inventory cycles. Factory storage trials extend beyond a year with Acid Green 27, and batches retain their brightness and dispersibility in field samples just as they did in final QC before shipment. Industrial buyers who have compared our dye against regional suppliers in markets like Bangladesh and Vietnam find ours endures longer and has fewer settling issues. In other words, production doesn’t grind to a halt because a dye won’t dissolve or has clumped during humid seasons.

    Acid Green 27 distinguishes itself in its strength. Some dyes need higher concentrations to get brilliant color, leading to problems with runoff and more complicated effluent treatment. Because our product works at lower dosages, wastewater from dyehouses carries less chemical load. Environmental managers in textile parks have seen this translate into lower treatment costs and quicker compliance with tough local regulations. Our technical support team worked side by side with these managers to optimize dyeing programs and improve results—a level of collaboration only possible with direct manufacturer relationships.

    Process Control and Safety Perspectives

    Producing Acid Green 27 isn’t only about outcomes at the customer end. In our plant, we take safety and compliance seriously. Production lines integrate closed systems to minimize worker exposure, strict monitoring of air emissions, and routine effluent sampling. We optimize each synthesis run based on thousands of quality records collected from our historical lots. This collection of data has led us to incremental upgrades, bit by bit, from process temperature tweaks to rebalanced acid concentrations. The result is high yield, less waste, and a safer environment for our plant teams.

    Local regulators and global brand clients demand proof. They audit our plant processes, ask to see traceability from approved raw materials, and want third-party laboratory confirmations of dye content and impurity profiles. Our compliance database runs as deep as our technical specifications, and we maintain open doors to external reviewers. Factory visitors often comment on our in-house lab teams. Quality inspectors and analytical chemists run from batch sampling through to routine heavy metals screening—all standard practice for us, but not something every supplier offers.

    Challenges in the Industry and Our Approach

    The dye market faces ongoing challenges. Raw material sourcing gets more complex every year as regulatory bodies tighten allowable impurity levels in finished products. Producers that can’t trace their inputs or manage quality at every stage fall behind or get shut out from export markets. To stay competitive, we built out long-term raw material supply ties—only vetted suppliers pass muster. All incoming materials run through GC-MS and HPLC screens for regulated contaminants. If it’s not clean and high-purity, it never makes it to the reactor floor.

    Wastewater reduction remains another priority. Dye manufacturing produces process water loaded with organics that demands advanced treatment. We newly invested in multi-step biotreatment and activated carbon columns, turning what used to be a waste stream into reusable process water. Not only does this cut our usage and meet stricter discharge targets, but it also sends a clear message of responsibility to our partners and the communities around us.

    Supporting Customers Beyond the Sale

    Manufacturers who only focus on shipments risk losing touch with the day-to-day problems dye users face. In the case of Acid Green 27, ongoing support is necessary because factory conditions change. Water chemistry, machinery differences, and textile pre-treatments influence final results. This is why our technical team keeps telephone and email support open—sometimes fielding questions late at night from mills who run around the clock. Joint trials, formula tweaks, and dye house visits have led to improvements in shade reproducibility at major apparel brands. Because we keep detailed manufacturing records, we can often pinpoint and correct batch-to-batch differences quickly.

    Smaller processors and large-volume dyehouses alike rely on our bulk delivery programs and on-site stock management advice. Dye powders and granules get shipped in moisture-protected, UV-resistant packaging, and we run ongoing logistics reviews to prevent accidental exposure during warehousing. Some textile majors even bring their own quality managers to our facility to audit production and talk through improvement areas. This level of openness isn’t common among manufacturers, but it brings us closer to partners’ changing needs.

    Even within demanding automotive and high-performance plastics sectors, Acid Green 27 builds trust by keeping color profiles sharp and reproducible under high temperature and stress. Our R&D group frequently works on formulation changes for clients launching new materials or processes—adjusting carrier solvents, particle size, or purification steps as needed. We believe real world data and application-focused support back up our claims much better than any catalog or web listing ever could.

    Environmental and Regulatory Pressures

    Major shifts in environmental regulation put more pressure every year on manufacturers. Global textile brands and automotive suppliers expect dyes free from heavy metals and aromatic amines restricted in key markets. We saw early on how markets in Europe and North America moved away from suppliers unable or unwilling to invest in cleaner processes. Our Acid Green 27 always goes through regular screening for all regulated impurities. When detection technology gets better, we update our lab hardware too. No batch leaves our site without documentation that meets the latest requirements from the world’s most demanding authorities.

    Across Asia, customers now ask for proof that dyes do not cause problems in worker health or in the aquatic systems receiving their effluent. Our product data packages track biocompatibility, aquatic toxicity profiles, and even process emissions across the whole manufacture-to-application cycle. We keep these records transparent so customers and regulators can check the details themselves. No surprises and no hidden shortcuts.

    An Eye Toward Innovations and Industry Solutions

    Acid Green 27’s robust chemical backbone and stability keep it at the center of specialty and traditional dyeing programs, but we never stop looking for ways to push capabilities further. On-going research time at our pilot plant works out ways to reduce salt buildup in dye baths, cut processing temperature and water use, and boost exhaust efficiency for lower chemical loss and safer wastewater. These changes raise color yield, save energy, and reduce operating costs for users. Having smaller dye particle sizes leads to speedier dissolution and cleaner application, a detail our powder milling team constantly fine-tunes.

    In sustainability workgroups with textile and paper mills, Acid Green 27 forms the focus of water-saving and pollution-control initiatives. Feedback loops run between our labs and our customers' auditing bodies to quickly plug gaps—whether by modifying dyeing sequences or recommending better auxiliary chemicals to prevent side reactions and shade drift. Collaboration, not competition, helps manufacturers evolve alongside regulations and new customer demands.

    Looking at future trends, digital printing and specialty fiber blends push new demands onto the traditional dye palette. Acid Green 27 adapts well; we’ve adjusted grind profiles and added dispersants suited to low-water, precision color deployments. Whether a mill works with classic wool or high-tech blended synthetics, Acid Green 27 maintains its relevance. Robustness in shade and purity means formulators can push creative limits without risking expensive shade mismatches or quality claims from end-users.

    Experience That Shapes Our Acid Green 27

    Our history manufacturing Acid Green 27 stretches back decades. Every improvement—be it to process throughput, purity, or user support—comes from direct industry experiences and customer trials. We see ourselves less as mere producers and more as industry partners who help set benchmarks for quality and service.

    As global supply chains become more complex and pressure mounts for traceability, ethical production, and environmental stewardship, we stand by our record. Acid Green 27’s reputation rests on real performance in mills, factories, and labs around the world. We measure our successes in long-term relationships with customers who push us to maintain quality and innovate, batch after batch, year after year.

    For anyone looking for a dye that stands the test of time, performs in modern and traditional applications, and comes with the backing of a hands-on manufacturer, our Acid Green 27 remains a reliable and trusted choice.

    Top