Acid Orange G

    • Product Name: Acid Orange G
    • Alias: Orange II
    • Einecs: 226-103-2
    • 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

    719902

    Chemical Name Acid Orange G
    Synonyms Orange G, C.I. 16230
    Molecular Formula C16H10N2Na2O7S2
    Molecular Weight 452.37 g/mol
    Appearance Orange powder
    Solubility In Water Soluble
    Melting Point Decomposes
    Cas Number 1936-15-8
    Usage Biological staining, textile dye
    Color Index Number 16230
    Light Absorption Max 478 nm
    Storage Conditions Store at room temperature, keep tightly closed
    Stability Stable under recommended storage conditions
    Ph Range Works best in pH 2.0 to 5.0
    Toxicity Low, but avoid ingestion and inhalation

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

    Packing & Storage
    Packing Acid Orange G is supplied in a sealed, labeled 500g amber plastic bottle with hazard symbols and safety instructions prominently displayed.
    Shipping Acid Orange G should be shipped in tightly sealed containers, protected from moisture and incompatible substances. Transport according to local, national, and international regulations for hazardous chemicals, typically classified under UN 2586, Class 8 (corrosive substances). Ensure proper labeling, use of safety data sheets, and personal protective equipment during handling and transport.
    Storage Acid Orange G should be stored in a tightly sealed 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 heat sources. Proper labeling and secure shelving are important to prevent accidental spills or mix-ups. Always follow appropriate chemical storage guidelines and regulations.
    Application of Acid Orange G

    Purity 98%: Acid Orange G with 98% purity is used in textile dyeing processes, where it ensures vibrant and uniform coloration of fabrics. Molecular Weight 452.38 g/mol: Acid Orange G with a molecular weight of 452.38 g/mol is used in biological staining, where it provides high specificity in histological procedures. Melting Point 140°C: Acid Orange G with a melting point of 140°C is used in analytical chemistry laboratories, where it enables safe thermal processing during dye preparation. Particle Size <20 microns: Acid Orange G with particle size under 20 microns is used in ink formulation, where it delivers improved dispersion and print definition. Stability pH 2-8: Acid Orange G with stability between pH 2 and 8 is used in wastewater tracing studies, where it offers consistent performance over a broad pH range. Solubility in Water 50 g/L: Acid Orange G with water solubility of 50 g/L is used in paper manufacturing, where it ensures rapid dissolution and even color distribution. Light Fastness Grade 4: Acid Orange G with light fastness grade 4 is used in leather dyeing, where it provides good resistance to fading under exposure to sunlight. Absorbance Maximum 484 nm: Acid Orange G with absorbance maximum at 484 nm is used in spectrophotometric analysis, where it enables accurate quantitative determination.

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    Email: admin@ascent-chem.com

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    Certification & Compliance
    More Introduction

    Acid Orange G: From Factory Floor to Final Product

    Understanding Acid Orange G in Context

    Acid Orange G, with its recognized C.I. number 16230, comes out of our reactors as a vivid orange powder, ready for practical jobs across a variety of industries. In our daily runs, we see the value Acid Orange G brings to dyers and formulators who need dependable results instead of uncertain output. Workers in our plant understand the importance of consistency batch-to-batch, so every shipment meets clear, precise technical expectations. Nothing leaves our gates unless it passes our straightforward standards for tint strength, solubility, and purity.

    We've spent decades fine-tuning our synthesis, using purified sodium chloride as a salting agent. Through experience, we've observed how small adjustments in the sulfonation or diazotization steps alter the product’s usability for textile work. Not all azo dyes behave the same in water baths and on fibers—Acid Orange G stays true during application, resisting bleeding and showing a stable shade, attributes not every competitor can promise. This reliability is something equipment operators rely on, because unstable dyes increase rework and waste, raising costs everyone would rather avoid.

    Most purchases of Acid Orange G end up in the wool or silk dyeing sectors, but we supply plenty to those involved with paper, leather, and sometimes even indicator manufacture. Each customer approaches our team with their intended process, and over time, we’ve seen how Acid Orange G proves its worth for its strong coloring properties at relatively low concentrations. Technicians mention how it dissolves cleanly in water at moderate pH, avoiding clumping or slow mixing—factors that directly affect their throughput. With its maximum absorption near 478 nm, it lays down sharp yellow-orange hues that look brighter and more uniform than many similar dyes in the same application.

    What Sets Acid Orange G Apart

    People who run dyehouses or manufacturing lines learn quickly that not all orange acid dyes are cut from the same cloth. Some products labeled “Orange Acid Dyes” rely on different chemical structures, and we’ve had more than a few new customers share stories of batch inconsistencies, weak shades, or residual salts clogging spray lines. After transitioning to our Acid Orange G, they tell us they spend less time adjusting dosing and more time running full speed. Part of this comes from our strict quality program, started years ago, which demands raw materials—from aniline to sulfanilic acid—match our proven specs every single time.

    A few differences matter in day-to-day operations. For instance, Acid Orange G holds its color even after repeated exposure to washing or mild bleaching. Our in-house patch tests show that, compared to dyes like Acid Orange 7, Acid Orange G keeps bright and true without shifting toward dullness. For some clients, especially those aiming for a trademarked shade on their textiles, precise color hold is non-negotiable.

    Another difference lies in how Acid Orange G performs in blends. Other acid dyes sometimes react unpredictably with fixing agents, causing uneven results. After tweaking pH and other variables on our factory test lines, we’ve found Acid Orange G produces a balanced strike on both protein and polyamide fibers. In practical terms, this means dye operators can use our product alongside optical brighteners or other shades in the same bath, keeping processing time down and repeatability up.

    Local environmental controls have grown stricter over the years, and Acid Orange G’s clean dissolution helps our clients maintain wastewater below regulatory thresholds for unreacted dye. Nobody wants fines for color leaks or stained effluent. Since we run closed-loop water recycling ourselves at our site, we see firsthand how cleaner batches mean savings on downstream treatment, both for us and for our customers who have adopted similar systems.

    Seeing the Product in Everyday Use

    At our plant, annual orders for Acid Orange G reflect the shifting needs of textile mills and printers across continents. We’ve built relationships with teams who dye everything from formalwear to industrial felts, learning about their preferred bath temperatures, their rinsing habits, even the mineral content in their local water. This helps us offer meaningful technical advice if someone calls about uneven shade or unexpected precipitation.

    One summer, a customer in the carpet industry shared a persistent problem with competitive products: their orange shade faded after a single season of sun exposure. After switching to our Acid Orange G, accelerated weathering tests brought better color retention, and they came back year after year. It became clear that attention at the production stage—right down to final pH and drying—affects fiber affinity and overall resilience. We still keep in touch, sending reference samples every six months, because lasting partnerships depend on trust and demonstrated performance.

    Teams handling paper often choose Acid Orange G for its fast uptake on cellulose. Working shifts in our technical support department, we have seen how pigment load and temperature control change the intensity and brightness achieved on the final roll. Some clients add optical brighteners for specialty applications, and Acid Orange G blends without excessive speckling or hue shift, important for high-volume printing where appearance means profit.

    Working Safely with Acid Orange G

    Factories like ours have put serious thought into workspace health and safe handling. Over the years, we saw the effect of poor storage on caking or dust formation. By shifting to moisture-resistant, lined fiber drums, product stability improved and workplace complaints dropped. Every worker understands the importance of limiting airborne powder—good exhaust and targeted cleanup mean there are fewer respiratory risks. Since Acid Orange G forms a fine, brightly colored dust, clear labeling and clean transfer procedures make a big difference.

    Although not classed as highly hazardous, Acid Orange G still requires sensible handling. We run regular training on using gloves and long sleeves in high-exposure areas. Our equipment design reduces manual transfer steps, and regular checks prevent accidental overfilling of weighing bins. We remind everyone, whether new on the line or thirty years in, that keeping an organized space protects the whole crew. Because we’ve got families of our own, we’ve invested in regular health checks for those who mix, pack, and ship our products.

    Running a chemical manufacturing site means thinking ahead—our exposure controls, powered air respirators, and material safety audits help us keep the accident rate low. Also, our wastewater filtration includes collection points for dye particles, so we meet or exceed all relevant discharge standards. We believe this is simply the right way to operate.

    Meeting Changing Industry Demands

    Manufacturers up and down the supply chain face new guidelines around trace impurities, especially aromatic amines and heavy metals. Over years, we have reworked our purification and washing steps, verifying every production run meets major textile and paper standards for restricted substances. Many buyers have switched away from overseas suppliers who failed recent audits, and our lab provides documentation matched to internationally recognized benchmarks.

    Recent shifts in global markets mean our clients place growing emphasis on transparency, traceability, and environmental impact. We share certificates of analysis directly with every shipment, and open our site to inspections by key domestic and international partners. Auditors have noted our fully closed-loop system for steam and wastewater, as well as our solvent recovery units, which are tuned to minimize emissions. Feedback from buyers shows this approach builds confidence in their own customers—responsible sourcing is more than a slogan; it’s a practical commitment.

    As more finished products move through strict customs and regulatory checks, the years we spent tightening our raw material controls now pay off. We check contaminant levels in every incoming drum of starting materials, often rejecting borderline lots to ensure trouble-free dyeing and printing downstream. Because our own teams bear the cost of a returned shipment, we take laboratory diligence as seriously as cost control.

    Solutions for Common Industry Problems

    Anyone who’s worked in large-scale dyeing spots production bottlenecks tied to unpredictable color uptake and material loss through filter cake formation. In our research, we’ve examined root causes—pH swings, temperature gradients, water hardness, or contamination from other process chemicals. Based on evidence, we adopted real-time monitoring of final blend conditions, adjusting acid and salt dosages within tight limits that suit Acid Orange G’s known behavior.

    For smaller users or those shifting from liquid formulations, we offer technical sessions focused on wetting, dissolving, and dosing techniques that reduce waste and save both time and raw material. Over the years, our engineers have visited hundreds of mills, observing exactly how our dye disperses in tanks, clarifying filter cleaning routines, and troubleshooting rare sludge build-ups. Shared experience on the ground means fewer surprises at scale.

    Transportation and storage sometimes trip up even experienced buyers. We pack Acid Orange G in robust, lined containers proven to resist both moisture and heat swings during transit. Responsible carriers, regular audits, and tamper-evident closures ensure that what arrives matches our lab records. For regions with specific labeling rules or climate extremes, we adapt shipping practices to match, always documenting our decisions for review.

    Reducing Waste and Environmental Impact

    Every kilogram of Acid Orange G we manufacture leaves behind residues from washwater, spent reaction solutions, and faint traces of dye runoff. We gather these byproducts for reuse in lower-grade industrial applications or for safe destruction, so as much as possible stays out of the landfill. Long ago, we chose not to cut corners with waste or disposal, because reputational risk outweighs temporary savings.

    On the technical front, ongoing research projects focus on refining our use of energy and water in Acid Orange G production. Small changes—like heat recovery between washes or automated salt dosing—add up over thousands of kilo-batches. Our teams work not just to hit compliance, but to shrink our impact step by step.

    Clients who use Acid Orange G also face local regulations around dye traces in rinsewater. Some have added microfiltration and advanced oxidation units after feedback from our team. By reviewing real process data and consolidating learning across user firms, everyone moves towards cleaner, more profitable production.

    Continuous Improvement in the Plant

    Every worker from shift supervisors to lab technicians takes ownership over Acid Orange G’s reliability and process-fit. In our weekly meetings, staff report on color consistency, batch yields, minor incidents, and customer comments. We’ve learned that a missed calibration or skipped cleaning doesn’t just affect our line—it can impact someone’s finished goods halfway across the world.

    From an operator’s perspective, Acid Orange G’s stable powder form, consistent particle size, and resistance to moisture-related packing make it easier to handle than many alternative dyes. Every step—from discharge to weighing, mixing, packing, and inspection—uses practical checks. If something’s off, it gets flagged on the spot. This attention to detail carries into finished product tracking, helping us address seasonal trends or shifts in demand.

    Engineers and chemists regularly review literature and field questions from academics or end-users. Sometimes they suggest alternative buffer systems, or new types of dispersants, leading to better results in current projects. We encourage hands-on testing rather than relying solely on published claims, since the real-world performance of Acid Orange G often reveals subtleties only visible in day-to-day production.

    Why Acid Orange G Endures in Industry

    Over the years, technologies shift and preferences evolve, but Acid Orange G’s strong coloring power and predictable bath performance keep it in demand for textiles and paper. Our open-house events show dye users how our team maintains tight controls at every stage, reflecting the pride we take in delivering a product that meets practical, not just theoretical, needs.

    Some of our competitors push generic dyes, but our direct experience points to the real value of technical support, transparency, and process consistency. Questions about solubility, bath behavior, or color persistence aren’t answered by price alone—they’re solved by cumulative knowledge across decades of manufacturing and on-site troubleshooting. As demands rise around sustainability and regulatory traceability, we keep working at product and process improvement, so clients can focus on their own production, not the unpredictability of their materials.

    Looking Forward

    We recognize that markets for dyes and colorants face constant pressure for lower environmental impact, tighter tolerances, and closer regulatory oversight. Our plans focus on furthering both technical and ecological progress, applying lessons from every incident, return, or success in our own facility or our clients’ plants.

    We invite partners and end-users to reach out—either to discuss existing challenges or to share new applications for Acid Orange G. Experience has shown that practical collaboration builds better products, steadier supply, and reliable results, batch after batch. Every improvement in quality or process efficiency for us means progress for the whole supply chain, from chemical plant to finished consumer good.

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