|
HS Code |
584508 |
| Productname | 2,4-Diaminophenol 2HCl |
| Casnumber | 137-09-7 |
| Molecularformula | C6H8N2O·2HCl |
| Molecularweight | 213.06 g/mol |
| Appearance | Light brown to tan crystalline powder |
| Solubility | Soluble in water |
| Meltingpoint | 215-220°C (decomposes) |
| Purity | Typically >98% |
| Storageconditions | Store in a cool, dry, well-ventilated area, protected from light |
| Ph | Acidic in aqueous solution |
| Odor | Odorless |
| Synonyms | 2,4-Diaminophenol dihydrochloride |
As an accredited 2,4-Diaminophenol 2Hcl factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Brown glass bottle with secure screw cap, labeled "2,4-Diaminophenol 2HCl, 100g," including hazard symbols and handling instructions. |
| Shipping | 2,4-Diaminophenol 2HCl is shipped in tightly sealed, chemical-resistant containers to prevent moisture absorption and contamination. It is classified as a hazardous material and handled according to relevant regulations. Packages are properly labeled with hazard and handling information, and shipping documentation includes safety and emergency response instructions for safe transit. |
| Storage | 2,4-Diaminophenol 2HCl should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances like strong oxidizers and bases. Protect it from moisture, light, and excessive heat. Handle with appropriate personal protective equipment to avoid inhalation or contact, and always follow applicable safety regulations for hazardous chemicals. |
Competitive 2,4-Diaminophenol 2Hcl 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.
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Tel: +8615380400285
Email: sales2@liwei-chem.com
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Every barrel and drum of 2,4-Diaminophenol 2HCl shipped out from our site shares more than a name—they tell the story of years refining both process and purity. In the chemical world, the difference between a successful synthesis and a failed batch often comes down to the baseline quality of inputs. Our 2,4-Diaminophenol 2HCl brings reliability born from long runs, stubborn diligence, and an intolerance for shortcutting controls. Chemists and production managers who know their business recognize the feel and look of material properly produced at scale, not just scraped together for a spec sheet.
This is a product built not for brand mystique but for those who care about practical, everyday yield and workability. The powder we send out—white to off-white, crystalline, with molar mass and composition respected batch after batch—answers the same demands made by both legacy and next-generation applications. Whether blended into a hair dye intermediate, used as a reducing agent, or proving indispensable in certain analytical and development protocols, it demonstrates why clean, careful manufacturing matters. We meet a minimum of 98% purity for this compound under proper sampling, sometimes eking out a bit more, and that margin can make the difference where throughput or accuracy count.
Each year, this compound earns its keep across dye shops, specialty organic synthesis plants, and quality control labs. In the world of hair dye intermediates, formulators learned long ago that 2,4-Diaminophenol 2HCl generates distinct, vibrant tones with consistency when other building blocks can fade, stain, or introduce unwanted byproducts. Every shift in anhydrous content or a hint of colored impurity downstream can cause real headaches for cosmetic chemists. Getting right to the source of trouble often means tracing it back upstream to the actual production method—how the raw chemicals flowed, the solvents rinsed, the careful patience through washing and crystallizing. Anyone running an established dye operation counts on their intermediates playing by the rules, not introducing wildcards mid-run. That discipline resonates with experienced hands: clean product means more predictable results, fewer ruined batches, and less downtime chasing problems.
Laboratories call for the same standard, especially for use in detection reactions, analytical sample preparations, and as a control for more exploratory organic chemistry. A consistent lot saves hours otherwise wasted recalibrating instruments or running troubleshooting sequences for unexpected signals. We’ve hosted visits from chemists testing different lots head to head—our focus stays on ensuring there are no unhappy surprises, in either chemical reactivity or documentation. Techniques developed by theorists almost always rely on hard-won, predictable batch consistency that our floor teams protect every time they draw a sample.
In this game, everybody claims “consistent quality,” but anyone walking the actual production line will tell you that real consistency does not happen by accident. Too much haste in reacting the phenolic precursor with ammonia or poorly controlled hydrochloric acid addition can leave you with colored residues, problematic moisture picks, or off-ratio hydrochloride salts. Every time these issues show up, someone downstream pays in time and wasted product. We watch the temperature, humidity, and pH control in our reactors as a matter of course, not to tout as a special feature but because customers notice subtle shifts: a strange hue, improper flowability, persistent residue inside feed tanks.
Much of our day is spent keeping every parameter inside narrow lanes to keep both free base and hydrochloride at target ratios. You ask anyone running hair dye synthesis on real scale: it’s the little things—avoiding cross-contamination, keeping particulate close to a tight range, never letting up on inspection rounds. The effort shows when batches perform week to week nearly identically, letting R&D teams keep pushing ahead without pausing to debug their chemistry.
We understand that no one wants a batch failing HPLC or finding sulfate levels out of control halfway through blending. Every time our partners in R&D labs or dye manufacturing need to rerun for inconsistent input, that time and raw cost multiplies across a project. Keeping manufacturing stubbornly within spec requires equipment investment, careful upstream vendor screening, and workers on the ground who take standards seriously. Many employees here can recount the years when earlier purification methods carried the risk of iron contamination or solvent residues; modern protocols evolved out of their real-world feedback as much as any official process documentation.
Many clients are quick to ask what separates our lots from off-the-shelf imports or smaller resellers. Some advantages do not show up until you put a batch to use—whether in a continuous dyeing line, a research bench, or scaling up to pilot manufacture. From our end, repeat customers tend to stick for good reason: the powder behaves predictably, with flow properties tuned through careful drying and sieving, keeping dusting to a minimum and supporting easy feed into existing automation. Unlike bulk intermediates produced only with bottom-line cost in mind, we engineer for mid-to-large batch reliability. That means strict process validation, clear records, and real people available to talk through challenges if transitions or scale jumps are needed. For those who design critical processes, this approach has more value than a theoretical price cut.
Requests come in often for guidance on blending and performance troubleshooting, especially outside of routine formulations. We respond readily with insights from our own batch tests, sharing best practices developed through years of running and failing equipment so others don’t need to repeat the same errors. Experienced formulators in dye manufacture, for example, found that trace solvent residues or unstable chloride levels in powder from less reliable sources can lead to clumping and unpredictable dissolution times. Once an operation finds a product that minimizes these headaches without forcing expensive process overhauls, there is little incentive to roll the dice anywhere else.
Some may wonder just how 2,4-Diaminophenol 2HCl stands apart from other diamines or similar reducing agents. The straightforward answer is found not only in the chemical structure but in real-world application differences. Its precise substitution and stable hydrochloride salt form bring both solubility and operational handling characteristics that set it apart from options like 2,5-Diaminotoluene or alternatives such as p-Phenylenediamine hydrochloride. Those compounds each fill their role, but ours finds a niche in applications demanding low metallic impurities and stable, repeatable color development under moderate pH. Any misstep, even in downstream blending or dye formation, frequently ties backward to the subtleties in the amine’s salt form and batch purity.
Analytical work also highlights the practical difference. A tightly produced 2,4-Diaminophenol 2HCl batch brings less background noise in detection settings and higher reliability in titrations, something experienced users recognize when tracking endpoints across multiple runs. Our teams make a point of sharing both performance data and user feedback loops, maintaining formulation notes to spark discussion where a choice of intermediate or grade makes a difference to the outcome.
Comparisons to more basic or technical grades available online make the point clear: not all sources take the trouble to eliminate traces of colored organic impurities, which affect final product tonality and shelf-life. Avoiding routine problems in production settings, such as powder clumping or slow dissolution, calls for the tighter control and extra handling attention that our teams provide. These aspects are hard-earned and traceable across every shipping lot sent.
Our early years saw plenty of uncertainty—unpredictable yields, sudden cloudiness in final product, unreconciled analysis reports. Taking responsibility for those problems drove us to find each root cause, from poor rinsing technique on a rainy day to missed calibration on pH meters. Our people put in hundreds of hours resolving bottlenecks and minor hassle points. This legacy of honesty about real process headaches resulted in modern systems designed for transparency, accuracy, and repeatability. We track every lot to the raw input, time in reactor, even humidity in the storage vault. Customers trust these records because they reveal the origins of the current product—no loose ends, no unanswered questions if an issue surfaces.
Anyone who has spent time on the production floor faces unexpected challenges: a clump here, an odd odor there, a deviation from expected melting point during QC. Our methods leave room for troubleshooting and rework if needed, because even the best-standardized process runs against reality from time to time. The difference is a willingness to own those outcomes, fix them, and communicate clearly to the partners relying on every shipment. Those who choose us expect no double-speak, just the facts—what happened, why, and how we fixed it—so their production isn’t left guessing.
Day to day, our people make the technical systems work—the automatic feeders, the dryers, the sampling equipment. They carry the responsibility for every adjustment and every late-night callout during critical shifts in weather or demand surges. We listen to experienced line operators whose hands can tell good product by texture long before a chromatogram prints out a result. Their knowledge guides process changes, helping prevent the slow build-up of problems that statistics alone don’t catch.
We make a point to bring feedback from clients directly to the shop floor—the good and the difficult. Stories about how the product saved a line from shutdown, or where a minor inconsistency caused a day of investigation, influence everything from safety practices to training modules. Cleanliness, safety, and precision aren’t just aspirations; they are daily operating procedures sharpened by real-world demand.
For us, the pride comes not from size or market share, but from knowing that our batches meet real requirements from colleagues across the globe—knowing that the next drum moving down the conveyor will work as well as the last. Every box shipped has a story written by the care and stubborn diligence of people whose reputation travels with each pallet.
Over recent years, regulations targeting trace impurities, heavy metals, and documentation transparency have reshaped many long-held assumptions about “good enough” product quality. Rather than just comply, we developed in-house testing and batch release panels tighter than any external audit ever demanded. This approach did not come easily. Upgrading equipment, validating every new method, and integrating digital traceability into a decades-old operation calls for a blend of grit and patience.
Clients now ask for lot-level traceability, audit-readiness, and clear MC/MS and HPLC records at a moment’s notice. By investing in steady upgrades, we help partners across industries meet their own changing requirements without extra worry about upstream risk. Whether preparing for an FDA review or just tightening in-house safety standards, we provide direct, clear links between each raw material and every finished drum. Those working in sensitive formulations benefit from this transparency, lowering the stress of hypothetical recalls or compliance spot checks.
Processes and systems designed for real traceability build confidence not through slogans, but through daily discipline—nothing left unexplained, every lot accounted for in sharp detail. We’ve seen firsthand how even minor documentation slips upstream can compound into major logistical or legal headaches downstream; our methods keep supply chains reliable. It’s a cycle: when you run demanding products, you need trusted input; when you provide that input, reputation sustains itself.
Our approach to process innovation always centers on outcomes for downstream partners first. New equipment gets tested with input from users who spend their days managing thousands of kilograms of material, not just filling out purchase requests. Every change, from solvent recovery tweaks to powder drying upgrades, came after direct feedback about how a previous method caused longer downtime, bottlenecks in dissolution steps, or unbalanced product flow. Watching customers troubleshoot their own challenges, we gain a broader view of how 2,4-Diaminophenol 2HCl fits into evolving manufacturing, not just as a chemical but as a strategic piece of their own success.
We remain open to change, knowing nothing stays static for long. Transitioning to more eco-conscious production cycles, investing in safer waste handling, updating worker safety training—all these steps respond both to practical requirements and a forward-looking view. We recognize each efficiency achieved on our end multiplies for customers: cleaner batches, lower downtime, fewer compliance headaches. This dynamic of mutual improvement delivers compound benefit over each production year.
Improving sustainability metrics goes hand-in-hand with classic quality control. Our recycling processes for solvents, adjustments in water use, and developing cleaner process aids not only cut operating costs but deliver a more desirable product for manufacturers facing tougher environmental scrutiny. Each advancement builds on what our team learned by solving yesterday’s challenges, putting the product in a stronger position no matter where regulations or end-use requirements drift tomorrow.
Any large-scale buyer will recognize the temptation to buy chemicals on price alone. But as soon as trouble strikes, recovery costs wipe out whatever was saved upfront. This reality appears in missed production targets, regulatory heartburn, or teams losing confidence in their supply chain. Our story runs against that grain: we believe consistent, transparent, and approachable chemical supply keeps businesses steady on their feet. Knowledge lives not just in the datasheet, but in every interaction—helping clarify needs, flag potential risks, and sometimes resolving confusion before anyone else down the line even notices an issue.
Veteran partners stick with us because they see an edge in our reliability. It shows not just in product quality but in follow-up support, regular sample testing, and the ongoing flow of information between our process experts and their own staff. When new challenges arise—whether a batch requirement or a process shift—we meet those moments informed by both technical evidence and countless practical hours spent on the production and shipping floor.
Choosing 2,4-Diaminophenol 2HCl as a go-to intermediate puts us in close, sustained connection with our partner’s growth. We do not disappear after one shipment; much of our work involves direct conversations, problem-solving in real time, and tracking project developments across years, not just quarters. The feedback loop remains open at all times—requests for new packaging, custom purity tweaks, documentation clarifications, handling improvements. Each detail builds a relationship based on clear, straightforward value.
People who have relied on minor or inconsistent suppliers know the difference between hope and certainty. Every operator appreciates not having to worry if the next lot will behave; plant managers count on trusted input keeping their lines moving. As regulations tighten, as novel blends arise, as pressures for green chemistry solutions mount, we follow those waves closely—never assuming today’s answer always fits tomorrow’s challenge.
For those immersed in the real work of chemical manufacturing, the value of a dependable diamine hydrochloride stretches far beyond theoretical uses. Not every compound offers this blend of versatility, manageable risk, and stable integration into so many downstream processes. That staying power comes from keeping detail at the center of everything we do—no short cuts, no wishful thinking, only honest reflection on what truly works and what clients genuinely need.
Each barrel we fill carries the story of lessons learned, challenges overcome, and everyday pride in getting the detail right. Our commitment is clear—ensuring anyone putting our product to use can do so with confidence, clarity, and the support of people who genuinely know their material inside and out.