|
HS Code |
724126 |
| Productname | 4-Chloro-5-Amino-O-Cresol |
| Casnumber | 2835-99-6 |
| Molecularformula | C7H8ClNO |
| Molecularweight | 157.60 |
| Appearance | Light brown to brown solid |
| Meltingpoint | 163-166°C |
| Solubility | Slightly soluble in water |
| Purity | Typically ≥98% |
| Synonyms | 5-Amino-4-chloro-2-methylphenol |
| Storagetemperature | Store at room temperature |
| Chemicalclass | Aromatic amines |
As an accredited 4-Chloro-5-Amino-O-Cresol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | A 25-gram amber glass bottle with a red screw cap, labeled "4-Chloro-5-Amino-O-Cresol – For laboratory use only." |
| Shipping | Shipping for 4-Chloro-5-Amino-O-Cresol must comply with relevant chemical handling and transportation regulations. The substance should be securely packaged in a chemical-resistant container, labeled clearly with hazard information. Transport should avoid extreme temperatures, moisture, and direct sunlight, ensuring the package remains intact and upright during transit to prevent leaks or spills. |
| Storage | 4-Chloro-5-Amino-O-Cresol should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers and acids. Protect it from moisture, heat, and direct sunlight. Ensure the storage area is clearly labeled, equipped for chemical spill management, and restricted to authorized personnel only. Use secondary containment to prevent leaks. |
Competitive 4-Chloro-5-Amino-O-Cresol 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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Over years of manufacturing specialty chemicals, certain compounds have stood out for their reliability and performance. 4-Chloro-5-Amino-O-Cresol is one such example. This compound has shaped a distinct role in the production of dyes and pigments, particularly where precision and consistency determine outcomes. As a chemical manufacturer, we have watched how shifts in raw material quality and handling can affect product stability, which is why our approach prioritizes process control at every step. Our chemists routinely optimize conditions to ensure purity and minimize batch-to-batch variation. Repeat customers often cite this consistency as a major factor in their long-term satisfaction.
4-Chloro-5-Amino-O-Cresol (also listed as 2-Chloro-4-Amino-6-methylphenol) features a molecular formula of C7H8ClNO. The appearance of the compound tends toward pale brown or off-white, with solubility in organic solvents making it adaptable for various synthesis demands. The melting point, observed through precise differential scanning, hovers reliably between 115-120°C. Maintaining this level of clarity in our final product means tight control over feedstock and rigorous purity checks through HPLC and NMR. Chemical composition sees minimal deviation — this is not luck, but the result of disciplined methodology and collective expertise. Customers in pigment formulation and advanced dye synthesis comment on the low impurity profile, noting fewer side reactions during their downstream steps.
This compound frequently emerges in technical discussions around oxidative hair dye intermediates and high-performance coloring agents. End users, particularly in Europe and Asia, seek purity and controlled reactivity to deliver vibrant color results. In our experience, labs that rely on generic or lower purity chloroaminocresols often struggle with batch instability and disappointing color development. Our team works closely with these companies, troubleshooting process inconsistencies and offering insight rooted in daily lab operations. When switching to a more tightly specified grade, feedback always trends toward improved reproducibility and stronger color yield. In the context of industrial-scale pigment manufacturing, even slight gains in output efficiency translate to significant cost savings and reduced waste.
The commercial market presents many sources for aromatic amines and phenols. Not all supply chains hold up under scrutiny, especially when it comes to trace heavy metals or unwanted byproducts. Our synthesis route, honed over repeated cycles of improvement, employs carefully selected precursors and real-time quality monitoring. This gives our product an upper hand in downstream reactivity. Competitors’ material tends to show inconsistency in isomer content or residual mineral acids, complicating final formulation and sometimes risking safety in scaled reactions. Over time, we have invested in closed-reaction vessels and advanced purification columns to cut these risks. This means less downtime for customers, who can run their operations with fewer surprises.
In practice, our technical staff tests every new batch for integration with current industrial processes. Our chemists routinely simulate typical customer reactions, converting the compound under a range of pH and oxidizing conditions. Results guide subtle tweaks in drying time, filtration, and crystallization to enhance the purity profile. We do not believe in making generalized claims. Experience teaches that every lot speaks through its behavior in the lab. Quality managers appreciate our willingness to examine failed end uses in detail, sharing troubleshooting insights rather than deflecting responsibility. This communication cultivates partnerships that last beyond a single procurement cycle.
Our users report strong performance in the following use cases:
Technical teams in the field confirm that the purity and physical form of our 4-Chloro-5-Amino-O-Cresol translate into consistent batch yields and less need for rework. Over a decade of feedback, nearly every process engineer emphasizes ease of integration into their existing synthesis steps and less formation of unwanted byproducts. That outcome depends on trace impurity control, which is one of the decisive advantages of our production approach.
Modern companies in the chemical and cosmetic sectors pay increasing attention to environmental footprint and safety. Our production site has passed repeated audits from regulatory agencies in both the EU and Asia. We track restriction updates on amines and chlorinated phenols. Every batch leaves our warehouse labeled in accordance with current GHS requirements. Our history with municipal and national environmental authorities, coupled with traceable supply chain documentation, supports customers in meeting their own compliance goals. As regulatory standards evolve, we adapt production and documentation to stay ahead, keeping both our shop floor and our customers’ supply chains protected. Actual customer questions frequently focus on trace contaminants and packaging integrity. In response, we maintain clear test protocols and encourage customer audits of our documentation.
Purity in specialty chemicals becomes more than just a statistics game. Minute variations in supplier raw material can seed problems that materialize only after shipment, disappointing both end users and their downstream customers. Over time, we have learned that careful preseparation of input streams, implementation of automated batch controls, and routine purity audits give results that manual checking or sporadic analysis simply cannot match. Chemical manufacturing, at its best, rewards the patient and the exacting over the merely fast or cheap. Our clients in hair dye intermediate synthesis, for example, have experienced fewer surprise deviations on quality and less time lost on rework than those buying on spot market quotations.
Differences between our material and other available grades show up in analytical testing, but they also become clear in scale-up runs. We have tracked side-by-side comparisons, observing that off-spec impurities from poorly controlled sources can cause foaming, delayed crystallization, or lower-than-expected yields during pigment manufacture. These operational "hiccups" cost time and money. Complex downstream usage, such as catalytic hydrogenation or further substitution, demands upstream control. Fewer feed impurities give a broader safe window for process operation and a more predictable product envelope. As companies demand faster development cycles and launch new color lines with greater frequency, the cost of inconsistency grows. Our experience tells us that rigorous starting material quality cuts both direct and soft costs for customers.
Over years of partnering with R&D teams and production professionals, the clearest lesson has been that open communication shortens problem-solving time. Early, candid sharing of batch results—even those that fall short—lets us isolate and address root causes. As a manufacturer, the credibility of our quality claims depends entirely on demonstrated, repeatable results. Regular collaboration with end users gives us not only data but perspective on needed improvements. Several long-term partners in Europe have shared examples showing reduced costs and higher process efficiency after matching our material to their system instead of "equivalent" alternatives offered by others.
Our technical associates regularly receive feedback describing how trace profile and regularity of our 4-Chloro-5-Amino-O-Cresol create fewer surprises and less process downtime. For example, pigment producers have outlined fewer interruptions due to solution clarity or brick-red side precipitates, which arise largely from trace contaminants found in generic sources. In one detailed technical review, a Middle Eastern hair dye manufacturer traced process improvements—and a 12% yield jump—to a shift into our controlled-grade supply. Their results rose consistently over six months with fewer waste streams. These real-world benchmarks keep us honest and continually drive refinements to process and documentation.
Decades of manufacturing have convinced us that only investments in technology and people can hold quality to highest standards. We introduced new purification columns and automated dosing systems over the last several years. This led to measurable increases in purity and reproducibility. Staff with direct process experience, not just paper credentials, operate our crucial steps. Many have tracked hundreds of batches and share their records in continuous improvement meetings.
We maintain a policy of hands-on analytics: every lot undergoes internal and third-party cross-testing by HPLC, NMR, and mass spectrometry before release. Internal records demonstrate that regular line maintenance and robust employee training reduce batch error frequency more than twice-yearly "catch up" repairs or rushed operator swaps. Equipment alone does not guarantee results. Output relies on operator judgment, especially during crystallization and drying. This intersection between human expertise and machine reliability safeguards ongoing supply and strengthens customer trust.
Real-world material handling shows that packaging choices directly affect compound integrity. Moisture uptake during long transport or storage can shift appearance or solubility, even before product enters lab glassware. After reviewing field returns and humidity exposure studies, we switched to multi-layer, sealed barrier packaging. Simple plastic drums failed to keep the product stable under variable shipping conditions between regions. Our modified packaging slashed caking complaints and saved many customers unplanned screening steps. In cases where large-volume users had custom dispensing equipment, we worked to match container size and closure type, improving workflow and safety on their shop floor.
Feedback from technical managers tells us that easy container handling, simple labeling, and firm tamp seals matter just as much as USP purity or certificate detail. Practicality is non-negotiable in modern chemical handling. Clear, traceable lot coding closes the loop between our plant and the final operator, allowing quick issue identification and response.
Traceable records, up-to-date specification sheets, and detailed batch analytics have become more important as regulators and major buyers increase scrutiny. Our documentation includes chromatograms, spectroscopic data, and impurity logs for every outgoing lot. Some customers require tailored certificates for specific compliance regimes, and our technical documentation team works with these partners to adapt output. Labs gain peace of mind knowing the batch they receive matches the supporting paperwork, with no ambiguous gray zones in composition.
This approach gives our partners a solid foundation for their own audits and customer reports. When multiple parties across borders demand chain-of-custody clarity, clear documentation removes guesswork. Over time, our customers spend less time answering upstream chain requests and more time managing their core business. These marginal savings, multiplied over hundreds of shipments, allow technical staff to focus on innovation.
No manufacturing workflow is free from challenge. Chemical processing brings unpredictable variables—shipment delays, raw materials fluctuations, process upsets. Our problem-solving approach depends on transparency and collaboration. When a batch falls short, we diagnose causes in detail, engaging both internal and customer technical teams. Solutions often emerge from joint trials, in which process engineers and our operators test small-scale modifications before shifting upstream practices. Smart, rapid troubleshooting makes the difference between a manageable hiccup and a costly production halt for our clients.
One practice we have built into our process is monthly reviews of customer feedback. Issues flagged by someone running a 2-ton reactor may never show up in a pilot lab, and we translate that operational wisdom back into our batch records and training. Continuous review has led to better mixing protocols, drying steps, and sample retention for retesting. Instead of assuming our way is best, we depend on information from all users—large and small—for actionable change.
Trust in a chemical manufacturer is built batch by batch, through consistent quality, open dialogue, and technical support that respects the real challenges of modern synthesis. 4-Chloro-5-Amino-O-Cresol has earned a place in demanding specialty sectors because of this approach. Downstream users—across hair dyes, plastics, and advanced pigments—recognize the importance of purity and steady supply. What sets our product apart is not only the chemical but the process, expertise, and commitment behind it. Our team relies on decades of accumulated knowledge to deliver the type of quality chemical partners could only hope for in the past. This relationship, built on performance and close support, leads to fewer production stops, better product results, and a smoother path to new market opportunities for every customer we serve.
