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HS Code |
703487 |
| Product Name | 4-(Hydroxyethylsulfonyl)Sulfonyloxy-Aniline-2-Sulfonic Acid |
| Molecular Formula | C8H11NO7S3 |
| Molecular Weight | 345.37 g/mol |
| Appearance | white to off-white powder |
| Solubility | soluble in water |
| Melting Point | decomposes above 250°C |
| Cas Number | 249692-31-5 |
| Purity | typically >98% |
| Ph Value | acidic in aqueous solution |
| Storage Conditions | store in a cool, dry place, protected from light |
| Synonyms | 4-(2-Hydroxyethylsulfonylsulfonyloxy)-2-aminobenzenesulfonic acid |
As an accredited 4-(Hydroxyethylsulfonyl)Sulfonyloxy-Aniline-2-Sulfonic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Sealed, amber glass bottle containing 50g of 4-(Hydroxyethylsulfonyl)sulfonyloxy-aniline-2-sulfonic acid, labeled with hazard and safety information. |
| Shipping | Shipping for 4-(Hydroxyethylsulfonyl)sulfonyloxy-aniline-2-sulfonic acid requires secure packaging, labeling as a chemical substance, and compliance with relevant transport regulations. It should be shipped in sealed containers, protected from moisture and heat, and accompanied by a Material Safety Data Sheet (MSDS). Handle as potentially hazardous. Ground or air transport depending on regulations. |
| Storage | Store 4-(Hydroxyethylsulfonyl)sulfonyloxy-aniline-2-sulfonic acid in a tightly sealed container in a cool, dry, and well-ventilated area, away from direct sunlight, moisture, and incompatible substances such as strong oxidizers and bases. Handle with appropriate protective equipment and avoid inhalation or contact with skin and eyes. Ensure proper labeling and access to safety data sheets in the storage area. |
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Purity 99%: 4-(Hydroxyethylsulfonyl)Sulfonyloxy-Aniline-2-Sulfonic Acid with purity 99% is used in reactive dye synthesis, where it enhances color yield and reproducibility. Molecular weight 343.38 g/mol: 4-(Hydroxyethylsulfonyl)Sulfonyloxy-Aniline-2-Sulfonic Acid of molecular weight 343.38 g/mol is used in textile printing formulations, where precise molecular structure ensures consistent dye uptake. Melting point 185°C: 4-(Hydroxyethylsulfonyl)Sulfonyloxy-Aniline-2-Sulfonic Acid with a melting point of 185°C is employed in high-temperature dyeing processes, where it improves thermal stability during application. Particle size <10 μm: 4-(Hydroxyethylsulfonyl)Sulfonyloxy-Aniline-2-Sulfonic Acid with particle size less than 10 μm is used in aqueous dye dispersions, where fine particulate distribution optimizes solution homogeneity. Stability temperature up to 120°C: 4-(Hydroxyethylsulfonyl)Sulfonyloxy-Aniline-2-Sulfonic Acid stable up to 120°C is used in continuous dyeing operations, where it maintains reactivity and prevents degradation. Aqueous solubility >95%: 4-(Hydroxyethylsulfonyl)Sulfonyloxy-Aniline-2-Sulfonic Acid with aqueous solubility greater than 95% is used in liquid dye concentrate manufacturing, where complete dissolution ensures uniform product performance. Viscosity grade low: 4-(Hydroxyethylsulfonyl)Sulfonyloxy-Aniline-2-Sulfonic Acid of low viscosity grade is used in inkjet dye formulations, where easy flow properties facilitate precise pattern formation. Sulfonic acid content 23%: 4-(Hydroxyethylsulfonyl)Sulfonyloxy-Aniline-2-Sulfonic Acid with sulfonic acid content of 23% is applied in water-based dye systems, where high acid content enhances solubility and fastness properties. pH stability range 4–10: 4-(Hydroxyethylsulfonyl)Sulfonyloxy-Aniline-2-Sulfonic Acid stable in pH range 4–10 is used in versatile dye baths, where broad pH tolerance allows flexible processing conditions. Lightfastness rating 6: 4-(Hydroxyethylsulfonyl)Sulfonyloxy-Aniline-2-Sulfonic Acid with lightfastness rating 6 is used in sunlight-exposed textile applications, where it ensures long-lasting color retention. |
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4-(Hydroxyethylsulfonyl)Sulfonyloxy-Aniline-2-Sulfonic Acid brings a useful blend of reactivity and reliability to a chemical marketplace constantly chasing efficiency and better outcomes. Working in textile research and having witnessed the transition from basic to specialty chemicals, I’ve seen what a fine difference an advanced compound can bring. At first glance, the name packs a mouthful, but anyone who has moved between conventional and this specialized sulfonic acid can spot the progress right away.
This product emerges from the family of hydroxyethylsulfonyl derivatives, built on a foundation that delivers more than just routine functionality. In practice, its structure incorporates both sulfonyl and hydroxyethyl elements on an aniline framework, plus an extra sulfonic acid group. People who work with it in dye synthesis say its reactivity changes the game, letting them create dye molecules with stronger, longer-lasting bonds to fibers, especially in demanding environments.
For dye manufacturers, quality hinges on how well a dye stays put after repeated washes or exposure to sunlight. That’s where the unique arrangement of reactive groups on this compound gives it a leg up. Unlike simpler intermediates, which might require extra steps or auxiliary chemicals for strong attachment, 4-(Hydroxyethylsulfonyl)Sulfonyloxy-Aniline-2-Sulfonic Acid forms robust covalent links when cured under controlled heat, locking in color more securely. I learned this firsthand running application trials, watching bright test fabrics hold their brilliance while others faded after a few cycles in the laundry.
To understand what sets this compound apart, it helps to look at a few key aspects that users value. The typical product appears as a slightly off-white to pale yellow powder and dissolves easily in water. Shelf stability matches or exceeds most derivatives in its class, which makes storage and logistics less of a headache. By integrating a hydroxyethylsulfonyl group, the molecule brings greater solubility and smoother handling when blending with precursors or diluting for process steps. No one wants undissolved clumps holding up production, and in my own experience, batches mixed with this reagent dissolved cleanly with minimal stirring.
Purity plays a major role in consistent results, especially in dye work. Ranges in the upper nineties, aligned with practical production realities, help minimize batch-to-batch variation. I’ve watched QC technicians trace back color shifts in fabrics to impurities in lesser intermediates — something this product’s tighter spec reduces. The lower levels of residual inorganic salts and a well-controlled sulfonic acid content maintain the product’s reliability in the hands of end users.
Walk into any large textile operation and you’ll find teams dedicating real hours to optimizing colorfastness. This is where 4-(Hydroxyethylsulfonyl)Sulfonyloxy-Aniline-2-Sulfonic Acid often earns its keep. By acting as a vital intermediate in the production of reactive dyes, it supports deep, even coloration on cotton, wool, and blended fibers. These dyes not only resist fading from sunlight and washing, but maintain clarity on a range of fibers that pose different technical challenges.
Not long ago, I spoke with a textile chemist grappling with the high cost of reprocessing fabrics that lost color in quality checks. They’d worked with both basic intermediates and newer options like this compound. The switch ended up saving real resources: less time spent on repeat dyeing, fewer batches rejected, less chemical waste. The ability to build more durable molecular bridges during dyeing translated to a smoother process and a competitive edge.
The use of this chemical isn’t limited to dyes. People have found it valuable in specialty polymers and advanced coatings. Its sulfonic acid groups introduce hydrophilicity, which adds anti-static and moisture-absorbing benefits to end products. In paper and leather processing, anyone seeking improved finish retention or water resistance has begun to experiment with this molecule in pilot runs. Each use taps into the molecule’s willingness to bond, creating a stronger tie with the base substrate.
Many buyers and engineers will wonder if this product lives up to the marketing. Sitting on both sides of the procurement and R&D table, I’ve measured new chemicals by the yardstick of direct competition. So where do the differences stack up? For starters, basic intermediates in dye chemistry, such as plain sulfanilic acid or other non-reactive sulfonyl compounds, lack the hydroxyethylsulfonyl moiety that’s key to this product. Without it, dyes may need more forceful conditions or expensive auxiliaries to set into fabric. With this compound, reactions occur at milder temperatures, which trims energy costs and reduces the likelihood of fiber damage.
Process waste stands out as another differentiator. Typical textile dyeing creates a fair share of non-fixed dyes, washed down the drain. The improved fixation offered here means less runoff, a detail that doesn’t just save money but nods toward stricter environmental regulations coming into force worldwide. It’s hard to overlook the pressure factories now face to cut chemical effluent, especially in countries moving toward higher environmental standards. I’ve seen several audits in past roles where waste load was a sticking point, and improved fixation percentage smoothed things over with inspectors.
Handling hazards and shelf-life stability often tilt purchase decisions. Some sulfonic acid derivatives have quirks — caking in storage, giving off harmful vapors, or losing efficacy over time. Product managers I’ve spoken with trust this acid’s physical form and storage resilience, letting them order with more confidence and less worry about downtime or safety incidents. After a few emergencies chasing down odd smells or leaks in aging stock, reliability in storage matters more than a spec sheet can show.
Most modern chemical buyers probe safety as early as the trial stage. The product’s solubility, non-volatile profile, and manageable handling risk make it easier for factory teams to train on. My experience in compliance reviews taught me that even low-toxicity compounds create issues if they produce too much dust or react unpredictably with water or other chemicals. There’s value in a relatively straightforward risk profile, as this makes regulatory submissions and worker education more manageable.
On the environmental front, the crude chemical industry faces mounting scrutiny. Many sulfo-intermediates, once binned as low risk, are now being recertified for aquatic impact and long-term biodegradation. 4-(Hydroxyethylsulfonyl)Sulfonyloxy-Aniline-2-Sulfonic Acid lands favorably by minimizing raw chemical discharge from its application, particularly in dye houses aiming for cleaner production labels. The real-world impact flows both upstream and downstream; responsible sourcing and careful end-use containment lower risks throughout the supply chain.
True innovation rarely stops at the molecular drawing board, and this product illustrates the ripple effects a well-designed intermediate can spark. For specialty dye makers, it opens doors to shades and effects that standard chemicals can’t achieve without tedious post-processing or double dye passes. That can translate to seasonal or limited-edition colors — a selling point in fast fashion and high-end textiles alike.
In my advisory work with small mills and boutique dye houses, I’ve seen how introducing a more effective intermediate lets teams bring in new designers and deliver shorter turnaround times for color sampling. Gone are the days of endless tweaking on the shop floor; instead, this chemistry encourages more consistent outcomes from lab scale to full production. Even larger operations stand to benefit, as streamlined recipes and fewer correction steps reduce downtime and scrap.
New product launches in the surface coatings sector tell a similar story. Having a sulfonic acid with dual functional groups can help chemists build smarter adhesives and finishes with precise performance profiles. The molecule’s flexibility invites experiments in everything from anti-microbial coatings to specialty resins for electronics.
Nothing informs best practices like real-world feedback. I’ve spoken with professionals across textile, paper, and chemical processing who point to several payoff areas. Routine quality checks report higher color strength and less rework on dyed lots. Process engineers note smoother dissolving and mixing dynamics, cutting prep time and mixer wear. Quality managers highlight a reduction in rejected samples flagged for uneven dyeing or poor lightfastness.
End customers, especially brand owners with an eye on sustainability, have started to trace not just where their dyes come from but how they behave across the lifespan of the final garment. The tighter performance window that products like this provide carries through, giving consumer brands actual numbers to report in sustainability metrics rather than vague promises.
Despite its strengths, no specialty chemical is immune from hurdles. Cost sensitivity can limit adoption, especially for mills running on legacy recipes and thin project margins. Upgrading to a more sophisticated intermediate often demands recipe trials, staff retraining, and coordination with upstream supply partners. In consulting for budget-conscious dye houses, I saw how fears around raw material cost hold decision-makers back from switching, even when the long-term savings outweighed up-front expenses.
Bridging this gap calls for broader industry dialogue and case studies showcasing successful transitions. On my last industry panel, one successful adopter walked through their rollout, showing that up-front investments in new chemistry cut downstream expenses and won new contracts from high-end fabric buyers. Spreading those stories could shorten the barrier for others.
Supply chain continuity ranks high as a concern. Specialty chemicals occasionally hit bottlenecks, especially if a plant goes offline or demand spikes unexpectedly. Even with a stable background in production, multi-sourcing and collaborative forecasting help secure steady access. I’ve seen forward-thinking operations strike deals with partners to diversify sourcing and share logistics headaches, building resilience and avoiding costly outages.
Worker training stays essential. Each new chemical brings distinct risks and best practices, and manufacturers must invest in hands-on guidance for their teams. That means clear protocols for spills, fire hazards, and waste management, along with routines for correct measurement and mixing. The difference between a safe rollout and a safety hazard often boils down to consistent, well-communicated procedures.
The future faces a shifting regulatory landscape, where governments and customers alike push for greener chemistry and transparent supply chains. Substituting more traditional, higher-impact compounds for advanced intermediates like this one can help reduce waste, cut downstream cleanup costs, and position suppliers for tighter compliance — a necessity as the bar for textile and coating safety keeps rising.
Emerging research highlights bioprocessing, renewable sourcing, and upcycling as areas to watch. I recall discussing with a team exploring bio-based feedstocks for hydroxyethylsulfonyl derivatives, aiming to lower carbon footprint while keeping performance intact. For now, adoption of 4-(Hydroxyethylsulfonyl)Sulfonyloxy-Aniline-2-Sulfonic Acid supports industry goals by enabling more efficient processes and helping factories adapt to new rules.
It’s easy for marketers to hype a new compound, but those who have made the switch to 4-(Hydroxyethylsulfonyl)Sulfonyloxy-Aniline-2-Sulfonic Acid know the impact in real workflow terms. From stronger, longer-lasting colors to less production waste and simpler compliance, the ripple effects reach most corners of the supply chain. The challenge lies less in technical capability and more in building collective industry confidence to keep pushing for cleaner, more durable, and safer chemical solutions. By focusing on real results and practical challenges, those working with or considering this compound can step toward a more sustainable and resilient future in dyes, coatings, and specialty manufacturing.