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HS Code |
885502 |
| Name | 2-Aminophenylarsonic Acid |
| Synonyms | Orsanilic acid |
| Cas Number | 98-50-0 |
| Molecular Formula | C6H8AsNO3 |
| Molecular Weight | 233.06 g/mol |
| Appearance | White to off-white powder |
| Melting Point | 192-194 °C (decomposes) |
| Solubility In Water | Slightly soluble |
| Boiling Point | Decomposes before boiling |
| Pka | 2.43 (carboxylic acid), 5.36 (amino group) |
| Density | 1.81 g/cm³ |
| Smiles | c1cc(ccc1N)As(O)(=O)=O |
| Inchikey | CRZRFSYZGAOHSZ-UHFFFAOYSA-N |
As an accredited 2-Aminophenylarsonic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 2-Aminophenylarsonic Acid is supplied in a 100g amber glass bottle, featuring a secure screw cap and detailed hazard labeling. |
| Shipping | 2-Aminophenylarsonic Acid should be shipped in compliance with hazardous material regulations. It must be packed securely in sealed, appropriately labeled containers, typically within secondary containment to prevent leaks. Shipment should be via certified carriers, accompanied by the necessary safety data sheets (SDS) and documentation, and handled by trained personnel using suitable protective equipment. |
| Storage | 2-Aminophenylarsonic acid should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers and bases. Protect the chemical from moisture and direct sunlight. Ensure proper labeling, and restrict access to authorized personnel. Store separately from food and drink to prevent accidental ingestion. Handle with appropriate personal protective equipment (PPE). |
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Purity 99%: 2-Aminophenylarsonic Acid of purity 99% is used in pharmaceutical intermediate synthesis, where enhanced reaction yield is achieved. Melting Point 165°C: 2-Aminophenylarsonic Acid with a melting point of 165°C is used in fine chemical manufacturing, where thermal processing stability is required. Particle Size <10 µm: 2-Aminophenylarsonic Acid with particle size below 10 µm is used in agrochemical formulations, where improved dispersion efficiency is observed. Stability Temperature 120°C: 2-Aminophenylarsonic Acid with a stability temperature of 120°C is used in polymer additive applications, where resistance to thermal degradation is necessary. Molecular Weight 233.06 g/mol: 2-Aminophenylarsonic Acid with molecular weight 233.06 g/mol is used in analytical reagent preparation, where precise compound quantification is ensured. |
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At the heart of the factory, production lines run year-round turning raw components into finished chemicals that support research, livestock, and specialty synthesis. Over the past two decades, we’ve continually refined the synthesis process for 2-Aminophenylarsonic Acid. Our crews know this compound by its characteristic white-to-slightly beige crystalline appearance and its reliable solubility in water. Unlike more finicky organic arsenicals, 2-Aminophenylarsonic Acid tolerates minor fluctuations in reaction temperature and humidity, which keeps production flowing smoothly.
Arsenic chemicals don’t allow sloppy operations. Precision and traceability guide every batch through each step, from aminobenzoic acid derivatization to final quality control in analytical labs. We hold full chain-of-custody within these factory walls, so we can talk confidently about every kilogram shipped. Our supervision gives peace of mind for formulators who demand consistent performance without guesswork or batch-to-batch surprises.
We standardized our primary lot of 2-Aminophenylarsonic Acid at a purity level of no less than 99 percent by titration and chromatography methods. Particles pass through a 40-mesh sieve, creating a powder dense enough for straightforward weighing yet loose enough to disperse in aqueous solutions. Experience shows that batches with excessive fine dust clog feeders and increase handling hazards; oversized granules, on the other hand, slow down dissolution. We check both ends of the particle-size spectrum with each lot. Moisture sits well below one percent by mass, handled carefully with desiccated storage in airtight drums.
Arsenic content in our product is regularly assayed before packing and after three months of shelf life, matching strict guidelines found in technical and research sectors. From our own pilot-farm trials, slight variances in arsenic speciation impact downstream activity and shelf stability, so our QC labs prioritize accuracy over shortcuts. Our on-site ICP-MS and HPLC allow rapid adjustments if batch samples drift outside of target, keeping failures and rework at a minimum.
We avoid unnecessary additives, so every drum contains a single chemical identity. This pure approach supports research groups that require a “clean” compound as a reference material as well as industrial operations formulating their own blends. Over years, we’ve also adjusted scale-up to address cross-contamination risks, given the sensitivity of arsenic detection in global supply chains.
The majority of our 2-Aminophenylarsonic Acid supplies gravitate to the specialty feed sector. Historic data shows clear demand in animal nutrition, where the addition of organic arsenical compounds promotes growth rates and feeds conversion, particularly in limited-regimen production flocks. Our customers talk about improved uniformity in weight gain among broilers or turkeys when their formula includes a precise concentration of 2-Aminophenylarsonic Acid. This feedback prompted us to tighten our internal specifications so livestock nutritionists could optimize dosage without recalculating their regimen each time.
In a lab setting, research chemists value high-purity batches for organic chemistry studies, particularly for designing new ligands or running environmental fate assessments. More than a few academic groups reach out for small lots, aiming to model reactivity or examine transformation products. They report fewer analytical complications from our material compared to mixed-lot sources or resold alternatives. A big concern from their side involves trace metal impurities—especially iron, copper, and lead—which our process has worked to minimize through targeted raw material selection and post-process purification.
Formulators using this product for intermediate synthesis express appreciation for its water solubility and reproducible melting characteristics. Unlike some competitors, we see no slumping or decomposition below 220°C when checked under standard atmospheric conditions. This thermal stability plays an important role in multi-step organic synthesis, where thermal cycling and mixture concentration require materials that don’t decompose unpredictably.
Feedback cycles net improvements, too. Early users pointed out minor inconsistencies in bulk density from year to year, impacting the accuracy of volumetric dosing in automated lines. We responded by calibrating our drying equipment and silo transfers, so powders now show less than five percent variance in density per lot. Years of open communication with applied users guide these real-world adjustments. Listening to customers isn’t just PR talk—batch-to-batch performance tells the truth much more loudly than sales flyers.
Our crews see first-hand how simple decisions on the production line impact finished product quality. For example, a slight dip in pH during crystallization can cause off-white product or unwanted inclusions—cosmetically harmless but enough to trigger red flags from thorough customers. Inline sampling and fast turnaround in the QC lab allow us to catch and rerun outlier lots before anybody outside the gates even sees them.
Some of the biggest differentiation comes from how we store and ship 2-Aminophenylarsonic Acid. Moisture control challenges every producer, and we stick with double-lined fiber drums and sealed polyethylene bags kept in a temperature-controlled warehouse. Several third-party resellers offer similar compounds in bulk supersacks; experience shows that bulk packing increases the risk of caking and hydrolysis, especially on humid days or long trips. After shipping internationally for years, we remain convinced that careful drum-level packaging protects sample integrity, minimizes loss, and improves user satisfaction upon arrival.
Our staff knows the difference between QA paperwork that ticks boxes and the actual scientific tests that uncover trace batch issues before they reach end users. Regular refresher courses and cross-training help identify subtle faults, whether during process monitoring or finished goods inspection. Sharing these lessons among our operations crew avoids costly disruptions and keeps reputation intact—not just for us, but for every downstream customer blending our chemical into their product.
Among arsonic acids, 2-Aminophenylarsonic Acid distinguishes itself by its ortho-aminophenyl structure. Other well-known products, such as 4-Nitrophenylarsonic Acid or Roxarsone, share a core phenylarsonic backbone but differ in functional group location and identity. In our practical work, these differences matter far beyond the lab bench. Substituents at the ortho position bring higher water solubility compared to meta- or para- variants. That solubility directly affects dosing accuracy at feed mills and minimizes residue in mixing tanks.
Downstream biodegradation also differs. We’ve seen first-hand how our compound breaks down more readily in microbial-rich environments, reducing persistence in animal waste compared to more resistant or complex arsonic derivatives. Environmental monitoring labs have raised concerns for compounds that linger in soils or aquatic systems; by focusing on a structure that degrades predictably, our product presents fewer long-term disposal hurdles for customers managing large feed operations or spill remediation projects.
Comparatively, synthesis routes for other arsonated benzenes often require harsher reaction conditions or stronger acids, increasing operational risks on the factory floor and raising hazards for both operators and the environment. Our process, refined over many batches, utilizes milder reagents and closed-loop recycling of wash solutions to minimize both by-product formation and waste effluent. These are not just talking points—safe production matters for factory workers and the communities around us.
Market surveillance tells us that substituting 2-Aminophenylarsonic Acid for more complex organoarsenicals, such as those containing nitro or hydroxyl groups, cuts costs in purification and waste handling. Each of those compounds requires specific disposal protocols due to their varied reactivity and environmental profile. We help our customers understand these practical differences, providing guidance that comes from years of real-life troubleshooting, not just theoretical models.
Reliability defines the difference between a manufacturer rooted in chemical know-how and a broker moving paper. Our staff, some with 20-plus years at the site, approach every order with the understanding that end-users rarely see the plant but always judge by results. From pilot batches to ton-scale manufacture, we keep the same eyes on the process—same vendor vetting, same QC sampling, same risk assessments. Each case of product leaving our warehouse represents not just chemistry, but individual accountability.
We’ve documented dozens of case studies where farm and lab customers swapped from lower-purity or inconsistent materials and saw a drop in off-batch losses, process downtime, or regulatory setbacks. One integrator in the animal feed sector traced root-cause analysis of finisher flock performance straight back to variability in arsenic fractions. Switching to our product, and maintaining a stable formulation, lowered their rejection rates, saving them not just money but audit trouble. Similar stories show up in research contracts—labs completing comparative studies faster, thanks to fewer analytical cleanups and repeat runs.
Regulatory alignment also means less stress for facilities making real-world nutritional formulas. Our documentation, updated batch-by-batch, gives end users a transparent chain of test data. Open dialogue with visiting auditors helps us catch minor gaps before they grow. Sampling, chain-of-custody, batch release signatures—these steps didn’t appear overnight. They were shaped by years of close calls, detailed recalls, and listening to feedback from customers who rely on traceability for their own compliance.
Manufacturing chemicals always involves risk—handling arsenic compounds demands double attention. Regular drills and outside audits keep the team on point, making sure that even if a problem emerges, the response is fast and structured. Transparent logs, detailed incident records, and mandatory process reviews maintain high confidence for us and our customers.
Demand fluctuates over time, with pressures coming from changes in international regulations, shifting scientific consensus, and sometimes negative publicity around arsenic compounds. We’ve responded by raising the bar internally, setting targets tighter than local law and tracking our comparison samples against top-tier laboratories. Our raw material suppliers face regular scrutiny; incoming lots that fail pre-certification never enter the front gate. A rigorous approach helps buffer against regulatory shifts and keeps product available during periods of heightened oversight.
Reduction in therapeutic arsenical use in agriculture—spurred by moves in several countries—forced many producers to adapt or discontinue products. Instead of abandoning our production, we improved documentation, invested in after-market recovery technology, and supported customers aiming to meet both nutritional and safety benchmarks. Through these changes, we learned to operate with less margin for error and more attention to detail across the entire lifecycle of our product.
Pressure from the analytical community drives us to stay up-to-date with detection limits and test methodologies for both product and environmental samples. Many researchers recalibrate their protocols based on advances in instrumentation or changing tolerances in trace element detection. We evolve with them, now running cross-lab validation with partners to maintain relevance and trust. If protocols or limits move, our production adapts rather than makes excuses.
We face ongoing questions about process sustainability and environmental protection. In the factory, we segregate process streams, recycle wash liquor where feasible, and treat waste according to local and international best practices. Energy-saving retrofits, solvent recovery loops, and continuous training minimize not just emissions but resource use. These moves haven’t always been easy—capital investment comes out of annual profits—but longer-term stability and license-to-operate take priority over short-term cost cutting.
We contribute insights gained here to working groups on chemical stewardship, passing along lessons from actual trial and error, not just textbook theory. Most of these improvements emerged from necessity—tightening specs under customer review, cleaning up after minor incidents, or adopting best practices after benchmarking against top facilities worldwide.
As demand for precision in specialty chemicals grows, questions about traceability, sustainability, and regulatory acceptance will only sharpen. Here, we engage not just as suppliers but as technical partners. Our R&D staff tracks shifts in use patterns and legislative frameworks, regularly briefing operations staff on tweaks needed in both documentation and production process.
Future advances in separation science may set the pace for cleaner, more selective synthesis routes. We keep ties with local academic groups and external research partners to test promising protocols before committing to full-scale change. Where useful, automation tightens feedback loops, reducing human error and freeing up hands for problem-solving rather than rote monitoring.
Carrying experience from the old lines into digital systems, we see advances in real-time batch analytics, cloud-based documentation, and process safety management. These technologies enable closer traceability and allow for both compliance and learning. When mistakes happen, drills and digital records help the team respond before small issues become big ones.
Global logistics present another set of challenges—securing product in shippable form, keeping up with changing transport regulations for hazardous material, and working with customs inspection protocols that seem to shift with every new trade agreement. Our logistics staff follows every drum from warehouse to delivery and maintains dialogue with freight handlers and customs agents. Over the years, careful packaging and accurate manifesting have resolved or avoided many shipping headaches, keeping supply moving to customers on deadline.
Long-term, keeping production viable and competitive in a changing regulatory climate requires willingness to invest both in physical assets and staff skills. Our approach avoids chasing every fad but focuses on incremental improvement—solving the problems that come from the ground level, not just the boardroom.
A chemical like 2-Aminophenylarsonic Acid might seem ordinary to outsiders. But every batch carries the history of worker vigilance, customer feedback, and continuing improvement. The difference between a consistent, reliable product and a generic substitute comes out not just in certificates of analysis, but in real-world performance, regulatory peace of mind, and fewer surprises in the production environment.
We approach production as a long-term commitment, blending the lessons of the past with tools for the future. Our team stands by every shipment, knowing that reputation, compliance, and customer relationships are built in the details—kilogram by kilogram, drum by drum.
For those seeking a trustworthy supply of 2-Aminophenylarsonic Acid, we offer what comes from years of production knowledge, constant self-critique, and a collaborative spirit built within the factory walls. Our experience says these details matter—because our customers remind us with every successful formula, every confident audit, and every call for the next shipment.