|
HS Code |
731306 |
| Chemicalname | M-Aminophenol Sulfate |
| Othernames | 3-Aminophenol sulfate |
| Casnumber | 135-65-9 |
| Molecularformula | C6H7NO · H2SO4 |
| Molecularweight | 223.22 g/mol |
| Appearance | White to beige crystalline powder |
| Meltingpoint | Approximately 160°C (decomposes) |
| Solubilityinwater | Soluble |
| Odor | Odorless |
| Purity | Typically ≥99% |
| Ph | Acidic in solution |
| Storageconditions | Store at room temperature, tightly closed, in a dry place |
As an accredited M-Aminophenol Sulfate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | M-Aminophenol Sulfate is packaged in a 500g amber glass bottle, clearly labeled with hazard warnings, manufacturer details, and lot number. |
| Shipping | M-Aminophenol Sulfate is shipped in tightly sealed containers to prevent contamination and moisture absorption. Packaging complies with safety regulations for chemical transport. Containers are clearly labeled with hazard information. During transit, the chemical is kept away from incompatible substances and stored in a cool, dry, and well-ventilated area. |
| Storage | M-Aminophenol Sulfate should be stored 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 acids. It should be kept away from sources of ignition and heat. Proper labeling and handling procedures should be followed to prevent spills and accidental exposure. |
Competitive M-Aminophenol Sulfate prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please call us at +8615380400285 or mail to sales2@liwei-chem.com.
We will respond to you as soon as possible.
Tel: +8615380400285
Email: sales2@liwei-chem.com
Flexible payment, competitive price, premium service - Inquire now!
In the chemical business, so much of our daily work involves taking raw materials and handcrafting them into something reliable for customers who can’t afford surprises. In our shop, we’ve devoted a lot of time to cutting the guesswork out of M-Aminophenol Sulfate. Whether we’re mixing batches, adjusting purity on the fly, or filtering for clarity, our process turns out a material that customers count on. We see results in the numbers—returns on out-of-spec product have dropped, and customers stick with us for a reason.
Some manufacturers cut corners on purity, chasing volume, or they push batches through before testing is complete. We handle quality control ourselves, batch by batch, rather than relying on spot checks. Our product typically lands at a minimum assay of 99%, with sulfate content closely monitored throughout. It sounds straightforward on paper. In practice, it takes careful handling: precise acid dosing, temperature control, and filtration leave little margin for error.
Customers often ask what sets our M-Aminophenol Sulfate apart, and I go back to something simple: we prepare fresh batches, store under controlled humidity, and pack into double-lined bags for each shipment, not oversized containers or recycled drums. The little things matter. In transit, small changes in moisture change how the product handles during your own manufacturing. We’ve reduced caking and clumping by adjusting granule size and packing environment, so unloading and dosing runs more smoothly at the customer’s plant.
Our access to a reliable source of high-quality aminophenol upstream means batch consistency rarely wavers. That keeps downstream industries—dyes, pharmaceuticals, and beyond—on schedule during scale-up and routine manufacturing. We don’t overstate solubility or stability: these properties reflect what we see in real-world applications, not just measured in a lab with distilled water and lab-grade glassware. We see this compound’s actual behavior in a working environment.
From the perspective of a manufacturer, every industry working with M-Aminophenol Sulfate wants reliability above all. Dye makers depend on stable input for their own precision blending. Big batches going out for pharmaceutical intermediates must not vary in purity, or their yields fall. Some customers use our product in hair dye manufacturing, others for rubber chemical synthesis, so they come with different expectations. We’ve had calls from customers who used imported material with unknown moisture content, only to find their own process suffered for it—a lesson you only need once.
In hair color, one bad lot with trace metallic impurities can ruin an entire run. I’ve walked the line with technicians who test formulations with a fresh batch, and after long enough in this business, you start spotting which shipments will pass the test just by handling the product. Providing a dry, free-flowing powder isn’t a luxury—downstream mixing lines and high-throughput devices jam when the material starts to cake. Customers want to open a bag and find exactly what they expect, time after time.
Some synthetics manufacturers doing diazotization work need precise pH tolerance and low metal interference. We’ve responded by reducing trace iron and copper through multi-stage purification—costs more, but our rejects disappeared. More than once, we’ve sent technical staff to troubleshoot for long-term customers, investigating filtration efficiency or unexpected color formation in end products. An extra day’s patience in production often saves weeks of chasing batch inconsistencies downstream.
A common temptation in this industry is to view all M-Aminophenol Sulfate as interchangeable, relying on specifications from a standard data sheet. But the difference between two products that both claim ‘>98% purity’ becomes obvious in process yields and equipment performance. We see this anytime our product is benchmarked against materials from sources relying on bulk industrial processes, where purity or grain size varies widely.
Small details, such as the absence of residual acids and a narrow range of sulfate counterion content, affect downstream synthesis and reactivity. For a customer producing sophisticated organic intermediates, even minor variations in ion profile show up in final product color or stability. We maintain a closed system for drying, filtering, and packing, using in-line testing to avoid hand-off errors. Many plants still treat filtration and drying as afterthoughts—our process includes real-time testing of endpoint dryness and particulate content. Our technicians keep an eye on specifics like trace ammonia or organic contaminants, because these will appear later as process inefficiencies.
Chemistry is won or lost in the details, rarely on the factory floor alone. Some years ago, we worked with partners developing new photographic chemicals. Their early trials showed unexplained streaking and off-tones; after swapping various supplies, the culprit emerged as a low-level impurity from their previous M-Aminophenol Sulfate source. We provided extra analysis and batch information, and after our material took over, their defect rates fell almost immediately.
We’ve seen similar feedback from plastic and pigment manufacturers who need minimal lead time for order fulfillment. Our model for M-Aminophenol Sulfate focuses on fast turnaround and nimble adjustments—if a pharmaceutical partner needs tighter metal control or a cosmetic ingredient customer asks for a drier product, we fine-tune our drying or screening steps. This close feedback loop benefits both sides: we learn which properties best support customer output, and end users cut down their trouble-shooting time.
Customer concerns drive many changes in how we handle M-Aminophenol Sulfate. After several requests, we extended our shelf-life testing program and introduced smaller batch packing to maintain maximum quality retention. The result showed up in fewer customer complaints about clumping during extended storage or longer shipping. Each call from a customer—whether for technical data or troubleshooting—pushes us to develop better, not just more, product.
Early on, our product was meant primarily for large-scale textile operations, but increased demand from other sectors prompted us to innovate. We installed upgraded drying lines capable of finer control, and moved to more granular process analytics instead of batch averages. Pharmaceutical partners challenged us to reach greater consistency by batch, and researchers wanted tighter particle size distribution. We invested in better screening and a more robust purity verification regime.
Our R&D staff frequently pilots small trial batches to introduce process improvements before ramping up production. Sometimes that means extending mixing times, adjusting filtration settings, or monitoring trace contaminants more closely. Customers tell us they feel this in reduced clogging, faster reaction set-up, and safer handling on their end. This flexibility comes from watching how our products behave—not just in the lab, but alongside partners as they develop and commercialize new end products.
We pay attention to evolving standards and customer requests, revising processes to comply with both domestic and international regulatory expectations. That comes through regular investment in process automation, employee training, and updated quality documentation protocols. We track every batch from raw material intake to packed goods, using internal reference numbers for process traceability, which makes root cause analysis much faster when any issue does arise.
Having worked in the industry ourselves, it’s tempting for new buyers to view all finer chemicals—particularly aminophenol salts—as interchangeable, but practice says otherwise. Some providers supply mixed aminophenol isomer blends or emphasize bulk, undiscriminated by downstream use. Our M-Aminophenol Sulfate comes as a clearly identified meta isomer, supported by targeted analytics confirming the isomeric profile. A mix of meta and para isomers leads to unexpected behavior in color production or pharmaceuticals. We anchor our batches with proven chromatography profiles so customers do not inherit hidden complications.
Differences show when comparing free base to sulfate salt forms as well—sulfate offers better solubility and storage stability for many customers, and generally handles oxidizing environments better. The sulfate salt resists color changes and degradation over time better than the free base, which is vital for downstream reliability. Customers choosing improperly neutralized free base or technical-grade salts often experience shelf-life headaches or off-quality intermediates.
Other forms—such as crude aminophenol or mixed salts—almost always feature greater levels of associated byproducts or uncertain counterion profiles. Some users push through anyway, but these added variabilities escalate troubleshooting, lower yield, or require time-consuming purifications. We’ve met new buyers coming off repeated batch failures, suspecting their synthesis on paper, only to discover their starting material fluctuated in trace impurity profile. After trialing our M-Aminophenol Sulfate for a trial period, customers often stop looking elsewhere.
Operating as a direct manufacturer, we know how much paperwork our customers face when qualifying new sources for regulated or high-purity applications. We maintain comprehensive documentation for each lot, covering test results and related traceability data, but avoid excessive bureaucracy. Most requests are handled by production staff who know the batch history—not just by office workers reading a form.
For customers registering their formulations under export controls or health authorities, we generate lot-specific documentation and provide supporting spectral or chromatographic data. This lets researchers and regulatory departments clear hurdles without multiple rounds of clarifications. Some customers demand greater batch segmentation for validation or stability studies; we’ve adapted packaging and labeling workflows accordingly.
Regular updates to authorization and certification processes keep us aligned with current best practices. We watch shifts in accepted limits for trace metals, organic byproducts, and residual solvents—not just for compliance, but to maintain reliability in every shipment. This approach keeps our downstream customers audit-ready and supported during manufacturing scale-up or product launches.
Our business reputation grows by earning repeat customers who experience fewer headaches when switching to our M-Aminophenol Sulfate. Dye houses and pharmaceutical firms both report more predictable outcomes: yield improvements, reduced purification steps, and greater peace of mind on compliance. Customers using the material for advanced applications value not only record purity, but predictable handling and flow characteristics. It matters that the product pours easily into their mixers and dissolves at the expected rate—anything less causes costly downtime.
In technical support, our conversations move beyond standard troubleshooting. Many of our customers ask for technical advice: can impurities in an input batch alter color shade, or should upstream neutralization steps be adjusted? We're happy to share practical process knowledge and often review analytics together. This kind of back-and-forth shortens new process development cycles for our partners.
We don’t see ourselves just as suppliers, but as working partners in our customers’ R&D and troubleshooting routines. We’re ready to offer samples for piloting, share detailed batch history, or dispatch staff to help interpret results in the field. Chemical manufacturing involves unglamorous details: storage tanks, transfer lines, moisture control, and operator training all impact outcome, as much as the chemistry itself. From our perspective, it’s paying attention to these challenges, not chasing only the lowest price, that helps customers win on the production line.
New requests reach us regularly—sometimes for M-Aminophenol Sulfate with sub-ppm impurity goals, sometimes for custom blends or alternate packaging. Our response draws from daily experience: trialing a revised filtration mesh, pilot-testing finer particle sizes, or exploring new drying protocols. Each improvement is measured by real data—how downstream synthesis batches perform, how long the material keeps under field storage, how it flows into end-use equipment.
Automation plays a bigger role in today’s manufacturing, supporting consistent results across varying demand. Our factory uses inline monitoring for moisture, rapid feedback on particle size, and tight control of process parameters. The information is shared with technical support teams, allowing us to connect incoming customer questions directly to production data.
Research never ends. Our team keeps up with developments in emerging dye processes, new pharmaceutical intermediate targets, and changes in regulatory frameworks. By working closely with both R&D and line production, we ensure that new requests translate into production adjustments, not just lab-scale theory. This culture of communication means continuous improvement finds a way into each outgoing shipment.
From the plant floor to the customer’s line, everything points to the value of careful, attentive manufacturing. We don’t view M-Aminophenol Sulfate as just another commodity. We see the long hours behind establishing protocols for every process—from acidification to crystallization to filtration and drying. The knowledge built from years of up-close production, troubleshooting, and customer interaction shapes how we deliver consistent, high-quality product.
Excellent M-Aminophenol Sulfate is more than numbers on a certificate; it’s the result of sustained discipline and technical vigilance. Our goal, always, is to provide customers the confidence to carry out their own manufacturing without hesitation. When downstream operations run smoothly, with fewer intervention steps and greater predictability, both customer and manufacturer stand to gain.
Product excellence and reliability, driven by practical experience and a direct line between manufacturer and user, mark the heart of our approach. As customers face new challenges and pursue higher standards, we adapt and refine our processes, confident that our legacy and standards of trust-built operations make all the difference.
