|
HS Code |
946017 |
| Product Name | Acid Red 2G |
| Chemical Formula | C18H13N3Na2O8S2 |
| Cas Number | 3734-67-6 |
| Color Index | C.I. Acid Red 2G (C.I. 14720) |
| Appearance | Red powder |
| Molar Mass | 509.42 g/mol |
| Solubility In Water | Soluble |
| Melting Point | No specific melting point, decomposes on heating |
| Application | Textile and paper dyeing |
| Light Fastness | Moderate |
As an accredited Acid Red 2G factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The **Acid Red 2G** is packaged in a sealed 500g plastic bottle, labeled with safety warnings, chemical formula, and handling instructions. |
| Shipping | **Shipping Description for Acid Red 2G:** Acid Red 2G is shipped in tightly sealed containers to prevent moisture absorption and contamination. Packaging complies with chemical safety regulations, clearly labeled with product information and hazard warnings. For international or bulk shipments, it is handled as a non-flammable dye under standard chemical transport protocols. |
| Storage | **Acid Red 2G** should be stored in a cool, dry, and well-ventilated area, away from direct sunlight, heat sources, and incompatible substances such as strong oxidizing agents. Keep the container tightly closed when not in use. Store in appropriately labeled containers to prevent accidental misuse and ensure safety. Follow all relevant chemical storage regulations and guidelines. |
|
Purity 96%: Acid Red 2G with 96% purity is used in textile dyeing applications, where it ensures uniform and vibrant coloration of cotton fabrics. Molecular Weight 502.43 g/mol: Acid Red 2G of 502.43 g/mol is used in paper coloring processes, where it enables consistent shade development and enhanced print clarity. Aqueous Solution Stability pH 2-5: Acid Red 2G stable at pH 2-5 is used in leather finishing, where it delivers high color fastness and minimal dye migration. Melting Point 310°C: Acid Red 2G with a melting point of 310°C is used in synthetic fiber dyeing, where it provides excellent heat resistance and dye fixation. Particle Size 10 microns: Acid Red 2G with a particle size of 10 microns is used in ink formulation, where it allows smooth dispersion and sharp image resolution. Light Fastness Grade 4: Acid Red 2G with a light fastness grade of 4 is used in poster paint manufacturing, where it results in long-lasting color stability under sunlight. Solubility 40 g/L at 25°C: Acid Red 2G with a solubility of 40 g/L at 25°C is used in water-based marker production, where it permits high dye loading and intense color output. Thermal Stability up to 250°C: Acid Red 2G with thermal stability up to 250°C is used in plastics coloration, where it maintains hue integrity during extrusion and molding. |
Competitive Acid Red 2G 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!
Walking through a dye manufacturing plant, some colors stick out more than others, both in vibrancy and in reliability. Acid Red 2G has proven itself over decades as a workhorse among azo dyes. Formula-wise, this product uses a sodium salt base, lending strong solubility in water—a trait that matters to anyone running large-batch textile dyeing or formulating for the paper and leather industry. Consistent shades, quick leveling, and dependable batch-to-batch performance have kept it in steady demand across global markets. In our plant, the dye comes out deep red, bordering on scarlet, not prone to the color shifts that haunt other red acids, like Acid Red 1 or Acid Red 14.
Water solubility distinguishes Acid Red 2G from other options in its class. Where cationic dyes need complex pre-treatments for uptake, Acid Red 2G adheres well to wool, silk, and nylon with a single acid bath. It delivers solid yield even under moderate temperature and doesn’t call for high salt dosing, a concern for operators balancing dye penetration with fiber integrity. We watch for these differences daily in our batch logs. Suppliers up and downstream rely on the predictable color depth this dye provides, and we’ve tracked long-term sales data showing stable performance in controlled shade development. Unlike direct or basic dyes, complications from back-tanning rarely crop up.
Batch consistency always comes down to process clarity and reaction time. Our blend for Acid Red 2G, model 401, reaches target purity between 85% and 90% in most production runs. Careful control over the diazotization and coupling steps minimizes the levels of unwanted byproducts, reducing risk of off-spec “dirty red” tones. The sodium salt form guarantees fast dispersion in application tanks, so machine operators can avoid the clumping or uneven flow seen with calcium-based reds. In hundreds of customer feedback reports, Acid Red 2G rarely ever produces mottled or streaked finishes, especially important in dyehouses chasing single-shade contracts for fashion and upholstery.
On the floor, technicians favor this dye for its trouble-free rinsing and reduced cleanup time. After a cycle, residues never linger on vessel liners or machine internals, improving overall uptime and cutting water use. This practical benefit stacks up over time, especially for plants tracking water management metrics or operating under discharge limits. Maintenance reviews often compare Acid Red 2G to older acid reds, and roundly choose it for its cleaner footprint.
Every major production shift now carries the additional weight of tighter environmental oversight. Beyond simple compliance, makers like us recognize the deeper responsibility to reduce loads of secondary pollutants. Acid Red 2G doesn’t call for heavy-metal mordants, so waste streams entering effluent treatment stay less complicated. Historical records track abatement costs, and over the last five years, we’ve found Acid Red 2G processing lines bring fewer headaches in meeting wastewater standards. In recent audits, water samples drawn from our line consistently record lower AOX and heavy metal content compared to lines dedicated to chromium-based dyes or those using multiple fixatives.
Sustainability officers from large textile groups check on dye houses sourcing directly from manufacturers. We open our doors, providing real-world process charts and showing how Acid Red 2G, through both its inherent chemistry and our quality protocols, matches or improves on their targets for clean colorant use. Alongside reduced chemical inputs, its high tinctorial strength means sub-gram-per-liter dosing hits tone, so overall chemical demand goes down across lines.
Product form affects not just logistics but hands-on use. We produce Acid Red 2G in both powder and granular options, packages ranging by kilogram loads. In shipping, attention to humidity and sealing preserves both color value and dispersibility, helping clients keep their inventory in working shape, even in high-moisture climates. In our inspection bays, routine colorimetry tests confirm light absorption peaks in the expected spectrum. If we compare this to similar reds on the market, migration under heat or high wash shows lower fade rates for Acid Red 2G—important for brands demanding high color fastness on finished textiles.
Clients producing technical textiles or industrial felts run continual wash and rub tests. Acid Red 2G consistently scores above market average for acid fastness. Certification labs working in consumer markets have published similar data points, and in our own tracking, customer claims for “early wash-off” or “sweating” defects are almost negligible.
Dyehouse operators track usage rates because every cent above formula eats at profit. Acid Red 2G’s bump in exhaust dyeing efficiency lands around 97% uptake on wool under acidic conditions—a real-world figure, pulled from hundreds of trader and dyehouse audits. For those running open-beck or continuous systems, the blend penetrates quickly, with short liquor ratios delivering intense shade at low resource drain. Hand dyeing specialists praise the evenness of shade and feel confident in quick tone development, even with tricky blends or recycled yarns.
For print runs, Acid Red 2G allows sharp edge definition, without bleed or halo, essential for patterned goods. On silk, its delicate balance brings richness without over-darkening outlines. In the carpet and rug sector, the fiber-bonding profile produces strong stain coverage, with color holding under cleaning cycles common in hospitality-grade products.
Other segments, like stationery or colored paper, favor Acid Red 2G for its stability in pulp processes. In open pan systems, the dye holds true even when pH or temperature drift a touch higher than in batch dye systems. The product rarely develops granular slump or sediment, saving screen printers and coating lines from stoppages due to clogged mesh or deposition.
Comparing acid dyes often means running live side-by-side trials, not simply referencing a data sheet. Technicians report that Acid Red 2G sets itself apart in its resistance to light and washing—qualities linked to its unique molecular backbone and our controlled synthesis procedures. It resists hydrolysis better under mildly alkaline conditions, so clients working in regions with hard water notice fewer color loss complaints. Color specialists in our lab track fading with XENON arc devices; Acid Red 2G posts longer median fade lifespans in both polyester-rich and wool-rich blends, where other red dyes tend to brown or dull after repeat exposures.
Compared to Acid Red 1 or 14, Acid Red 2G lands less on the orange side, providing a clearer, cleaner red, often favored by branding departments. Shade reproducibility matters in scale production, and daily output logs from automated lines show tight band control within 1 delta E. With lower tendency for ionic interference, plant operators note it tolerates slight ups and downs in bath composition, so operators don’t chase color errors down the line.
Other red acids often bring with them higher particulate carryover, plugging jigs or needing more regular strain maintenance. Acid Red 2G, during manual and machine dispensing, stays free-flowing, cutting one more potential source of downtime out of the equation. Also, it combines well with blues and yellows for complex shade production—shade blending teams tell us that multi-tone libraries using our 401 model need fewer correction steps than systems based on other brands or generic reds.
We see market demand shift quickly: from traditional bulk customers to new entrants pushing circular textile models, the base expectation is reliability and traceability. As a manufacturer, we document every batch of Acid Red 2G from raw material receipt through to finished drum loading. Customers can track COA and QC logs, never guessing at purity or byproduct levels. This level of transparency reduces conflict throughout the supply chain, gives confidence in long-term color development contracts, and streamlines certification audits for export.
In the past two years, customers facing fragmented supply have leaned on our direct production capabilities, knowing we can scale up volumes without cutting corners on compliance. Our long-term relationships with shipping and packaging partners mean product integrity holds up, reaching distant mills with maintained specifications—no caking, no moisture up-take, no cross-contamination.
By keeping production in-house, we can adjust batch sizes to smooth out market fluctuations. Small-batch designers and niche luxury brands, as well as mass producers, gain from a stable base product, one that holds up to the same tests, season after season. In reports from the field, repeat shade requests come through seamlessly, freeing up purchasing and technical teams to focus on product innovation rather than troubleshooting dye variances.
Pressure from regulatory bodies and customer expectations keeps our focus on constant process refinement. Acid Red 2G, like all aromatic azo compounds, brings inherent chemical risks that demand attention—not just for environmental discharges but for worker health. To tackle this, we run closed-loop processing, high-capture fume controls, and active waste monitoring systems. Process safety reports over the past three years record a strong drop in incident rates due to these upgrades. Education remains key; our operators attend ongoing sessions on safe handling practices and chemical stewardship specific to the acid dye category.
Our R&D teams dig constantly for cleaner reaction routes and new purification routines to reduce even trace impurity levels—always comparing final batch analytics to historical benchmarks. Recent shifts to greener solvents and filtration upgrades have already dropped total residual aromatic levels, and longer-term projects look at enzyme pretreatments to curb process side-reactions. Customers see those gains in downstream QC reports—lower allergy warnings on test garments, cleaner discharge slurries, and better occupational exposure results.
Transport poses another pain point. The fine particle size of the standard Acid Red 2G model can pose dusting risks, and exclusive use of sealed, moisture-proof packaging coupled with automation in loading and unloading controls worker exposure, keeping true to our safety commitments and customer expectations for a shelf-stable product.
Real progress in chemical manufacturing never happens in isolation. Technology teams in spinning mills, finishing lines, and print houses feedback directly into our R&D program. No third-hand relays: direct dialogue shapes the next improvement, often better than any market survey. Many shade requests start with customer lab teams, not market trends. Our role is to answer with flexible scheduling, custom blends, and on-site troubleshooting. These customer-driven iterations have resulted in the release of variants tuned to niche pH profiles, specialty fiber receptivity, and even allergen-reduced protocols for brands with advanced safety claims.
Lab trials sometimes reveal root causes of recurring field issues—dye streaking, incompatible blends, or reagent carry-over from prior production campaigns. With our on-hand formulation experts, solutions run from tweak of liquor ratios, to integration of buffer protocols, to pre-blending for unique textile forms. Shared data with downstream partners shows performance trends in the field, often pointing the way for next-gen product tweaks and thorough documentation.
Market longevity for Acid Red 2G in part owes to this back-and-forth engagement. Instead of pushing “off-the-shelf” products, we’ve grown value through understanding the working reality of people using the dye every day—in mills, in labs, across the store floor. As technical, regulatory, and branding requirements shift, our product lineup and support structures continue to evolve.
Societal shifts to more responsible chemical usage are accelerating. Producers like us bear the responsibility not only to keep pace but to push standards forward. Acid Red 2G forms part of an older group of acid dyes, yet it adapts precisely because we’ve put operator feedback, field results, and environmental data into every production increment. In dye plants focused on both high and low volume, the product serves as a model for how durable, tested chemical standards stay as relevant now as at any point in their earlier history.
Energy use, waste management, and continuous quality improvement occupy the center of every production cycle. In application, we chase not only beautiful color but processes that balance regulatory limits, resource conservation, and true product safety. Acid Red 2G stands as a combination of chemistry and field wisdom, refined by dialogue with processors, users, and regulators alike.
Manufacturing isn’t about isolated supply. Every kilo leaving our site carries behind it years of chemical refinement, worker input, and post-market review. Acid Red 2G shows how a staple product, built on proven science, can keep pace with rising market expectations—while still supporting those on the production floor who turn raw chemical into finished product, day in and day out.