|
HS Code |
755121 |
| Cas Number | 51950-28-8 |
| Molecular Formula | C12H11NO |
| Molecular Weight | 185.23 g/mol |
| Iupac Name | 2-amino-4-phenylphenol |
| Appearance | Off-white to light yellow solid |
| Melting Point | 146-150°C |
| Solubility In Water | Slightly soluble |
| Purity | Typically ≥98% |
| Smiles | c1ccc(cc1)c2ccc(c(c2)O)N |
| Storage Conditions | Store at room temperature, tightly closed, in a dry place |
As an accredited 2-Amino-4-Phenylphenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Packaging: 2-Amino-4-Phenylphenol, 25g, supplied in a sealed amber glass bottle with a tamper-evident cap and safety labeling. |
| Shipping | 2-Amino-4-Phenylphenol should be shipped in a tightly sealed container, protected from moisture and light. It must be handled as a chemical substance, with labeling in accordance with safety regulations. Transport should comply with local, national, and international guidelines for potentially hazardous organic chemicals to ensure safe delivery. |
| Storage | **2-Amino-4-Phenylphenol** should be stored in a tightly sealed container, away from direct sunlight, moisture, and incompatible substances such as strong oxidizing agents. Keep it in a cool, dry, and well-ventilated area, preferably in a designated chemical storage cabinet. Ensure proper labeling and restrict access to trained personnel to maintain safety and chemical integrity. |
Competitive 2-Amino-4-Phenylphenol 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 production run at our facility tells a story. For years, we have navigated the challenges and breakthroughs of synthesizing 2-Amino-4-Phenylphenol. We know the chemistry not just in theory, but in every batch, shipment, and client call. It is a compound that commands respect due to its chemistry and performance across different applications.
Known in our plant as the model 4-APP, this aromatic amine catches attention because of its fused phenol and aniline structure. The molecule brings together a free amino group and a phenolic hydroxyl ring, flanked by a phenyl group at the para position. This gives it a distinctive profile, affecting reactivity, solubility, and potential downstream modifications. Few compounds in the specialty intermediates space exhibit this blend of properties within a single backbone.
We run multi-ton lots of 2-Amino-4-Phenylphenol, not just laboratory grams. Dust control, filtration, and product handling all call for finely tuned procedures. Our operators sweat over purity levels, typically measuring 99% or higher (as seen in our best runs). Moisture control often shapes the final color and flow, with finished material showing as light beige to pale off-white crystalline powder. Each production cycle draws on our team’s discipline in temperature regulation and process sequencing.
Consistency starts with selected raw materials. Each time crude phenol and aniline precursors enter our reactors, quality tracking begins. By integrating digital sensors and lab analytics along the process, we minimize batch-to-batch drift. This focus on precision gives buyers confidence, knowing that each order reflects the standards we would demand ourselves.
In the real world, uses for 2-Amino-4-Phenylphenol stretch further than the textbooks suggest. Many clients turn to it as an intermediate for advanced dyes and pigments. Its structure readily undergoes substitution, allowing chemists to adjust chromophores and tailor shade strength or fastness in colorant applications.
Our collaboration with research units in pharmaceutical synthesis has grown over recent years. Teams report steady performance when deploying our product as a coupling partner in building more complex molecular frameworks. The presence of both the hydroxyl and amino functionality in para orientation allows for selective derivatization, which synthetic chemists value for creating new scaffolds.
Electronics manufacturers also approach us with formulations that take advantage of the electron-donating features of the amino and phenol groups for surface-coating materials. Several projects involved resin modification aimed at managing conductive or anti-static properties. Feedback from downstream testing suggests reliable batch-to-batch film properties when the 2-Amino-4-Phenylphenol originates from our process lines.
The lab bench features plenty of aromatic amines and phenols. Aniline and phenol themselves form the starting point for countless specialties. Yet, the blended structure of 2-Amino-4-Phenylphenol produces reactions rarely found in simple precursors. We have worked first-hand with adjacent molecules—2-aminophenol, 4-aminophenol, 2-phenylphenol. Each displays its quirks during production and in downstream chemistry.
For instance, when working with 2-aminophenol, batches tend toward deeper coloration and sometimes stubborn by-product profiles. 4-aminophenol lacks the extra phenyl group, resulting in more limited solubility and different reactivity with electrophilic reagents. In comparison, 2-Amino-4-Phenylphenol maintains color stability under standard warehouse conditions longer and is less prone to dulling upon storage.
Handling in the plant differs, too. The phenyl group in our product dampens volatility, making material transfers less prone to workplace emissions. In large-scale equipment, this translates to easier operator safety management and lower losses due to fugitive dust or vapor. Tableting, granulating, and mixing procedures benefit, since our product shows flowability superior to that of finely divided aminophenols.
Manufacturers face a maze of variable controls that impact purity, yield, and safety—especially with aromatic amines. Over the years, we learned that controlling exothermicity during coupling steps is not optional. Temperature spikes can drive side reactions, affecting the main yield and introducing impurities that end up being hard to purge in downstream crystallization.
Process water purity matters, not just for compliance, but for product color and shelf life. The reaction mixture for 2-Amino-4-Phenylphenol needs precise dosing of reagents, otherwise material strength fluctuates. We realized early on that automated dosing and inline feedback loops reduce the risk of out-of-spec production.
Downstream washing and drying steps represent their own set of challenges. Allowing trace solvents to remain in the crystalline cake affects melting point and long-term stability. We maintain vigorous solvent removal protocols and carry out multi-point gas-phase residual checks before final packaging.
A company only gets better by listening. Over many years, customers have pushed us—sometimes gently, sometimes urgently—to improve powder homogeneity, free-flowing particle size, and shelf stability. One engineering plastics customer needed a tighter moisture spec to avoid affecting their extrusion lines, which led us to tweak drying cycles and update our in-process monitoring methods.
A research lab once flagged that older product lots risked yellowing under strong UV. In response, we re-evaluated packaging protocols, including double-layer drums with improved UV screening. Other buyers urged us to scale up quickly, and the resulting learning around agitator design and reactor cooling systems improved not only our yields but also operator ergonomics.
These cycles of feedback and re-examination mean the material you receive stands on a foundation of both proven process and living dialogue with real users.
Experience on the floor reminds every operator that safety and stewardship are not only paperwork requirements—they’re lived every day. Aromatic amines, especially those with both amino and phenol functions, have known reactivity. Our facility builds layers of safeguards: respirator fit checks, airflow controls, and real-time VOC monitoring at critical points.
Turnovers highlight best practices with every shift. Work clothes stay on site, and material moves in closed transfer lines where possible. In the lab, reaction venting passes through scrubbers, reducing fugitive emissions. Our sustainability efforts push us to minimize energy use for solvent recovery and invest in water treatment that keeps process streams in compliance.
Continuous training and equipment upgrades matter. We invest in staff skill development, because understanding both the hazards and opportunities in working with aromatic amines leads to safer, smoother operations. Our maintenance schedules focus on preventive action, not just repairs, so that reliability stays high for every kilogram shipped.
Every year brings new complexity to shipping and sourcing. As a direct producer, we see the pinch points up close. Unpredictable raw material flows due to geopolitical pressure or shipping disruptions can limit production capacity. Demand swings—especially from dye houses and advanced materials developers—make production scheduling part art, part battle of priorities.
Investing in local supply relationships and backup sourcing keeps our output steady. We maintain a direct line to upstream raw suppliers, and we qualify secondary sources to head off shortages or cost spikes. Buyers often ask how shipment timing tracks with real-life output; we believe clear communication about real inventory and projected runs builds trust and helps our partners plan.
Global regulatory shifts demand fast adaptation. With greater focus on chemical traceability, hazard communication, and environmental impact, our documentation and compliance teams stay connected to changing governmental positions. Shipments leave our gates only after multi-point checks ensure labeling, transport, and regulatory paperwork meet the latest standards.
Experienced customers look past paperwork, expecting product that works without headaches on arrival. For 2-Amino-4-Phenylphenol, quality starts with pure, sharply defined powder—no agglomerates, no dust-laden fines that foul up mixing hoppers. Our operators know to reject lots with any foreign particulates or discoloration. Incoming client feedback sometimes speaks more to handling ease, mixing outcomes, or filtration time than to what a lab value says.
We run duplicate checks on melting point and HPLC fingerprinting for every outgoing batch, comparing to gold-standard reference materials. Real consistency shows up in seamless switchover from lab test batch to pilot line, then on to full-scale manufacturing in our customers’ hands.
Those hundreds of small process interventions matter—the vacuum pump checked for leaks, the powder transfer re-designed for ergonomic dumping, the lot labeling made scannable for quick warehouse sorting. Everything adds to the chain of reliability that carries from our shop floor to your process line.
No chemical synthesis proves trouble-free. Raw material grades shift, energy prices spike, and innovation always tugs at established process limits. Over time, we have learned to treat setbacks as milestones—each operator note about an off-spec batch or unplanned downtime fuels trouble-shooting sessions and root-cause analysis.
One of the persistent hurdles came from the scale-up of batch sizes. Early on, we noticed minor purity loss related to scaling charge rates and agitator design, which led to process engineering tweaks and more robust control systems. As customer quality targets have tightened, we doubled down on batch analytics—not only in the final product, but in every step from start to endpoint.
Flexibility in packaging now allows customers to order anything from drums to bulk sacks, chosen to fit their own storage and usage realities. Each option respects the way 2-Amino-4-Phenylphenol integrates into specific end-processes, whether colorant synthesis, resin modification, or further specialty chemical reactions.
As the science moves forward, demand patterns change. Researchers bring fresh requirements for higher-purity or custom-milled grades. Our R&D team partners with clients to tweak process conditions, sometimes developing new methods for better conversion rates or fewer by-products. The ability to respond to new protocols, not just maintain the old, keeps our operation healthy in a shifting global landscape.
Working directly with the synthesis—not as an agent or trader—means every success and lesson happens in-house. We see each bottle of raw material received, each shift change, every QC outlier, and every logistics wrinkle. Our bonds with customers come from straight talk and shared technical problem-solving, not just sales numbers.
When customers voice changing needs, from purity adjustments to new packaging, we craft solutions based on what works at scale on our floor, not just what’s dictated in a spec sheet. The meaning of “quality” and “service” lives in the daily choices our operators make, the transparency our logistics team offers, and the traceability that follows each lot from synthesis to delivery.
Because we sit at the starting point of the value chain, we push for reliability, adaptability, and rigorous standards. Every improvement on our side—shorter drying times, upgraded air systems, sharper analytics—ripples down to savings and breakthroughs for the customers who depend on our 2-Amino-4-Phenylphenol.
As science and industry evolve, new applications for specialty molecules like 2-Amino-4-Phenylphenol continue to emerge. Collaborative development marks the future: shared bench trials, pilot runs, and direct feedback loops between our production team and customer R&D. We remain alert to technology breakthroughs that could shift energy input, waste output, or process safety.
The journey with 2-Amino-4-Phenylphenol does not end after it leaves our plant. From dye houses fine-tuning their next palette to electronics firms chasing molecular-level performance, our product’s reputation follows its performance. What matters most to us as manufacturers is not just chemical purity, but the trust that comes from doing the work right every day.
By putting in the years on the line and building bonds with industry partners, we help shape the story of this specialty intermediate. Whether facing regulatory changes, technical set-backs, or just another day switching batches, we bring experience, resilience, and a shared goal for excellence in every shipment.
