|
HS Code |
613086 |
| Cas Number | 101-07-1 |
| Molecular Formula | C12H11NO |
| Molecular Weight | 185.22 |
| Appearance | Light brown to beige crystal or powder |
| Melting Point | 142-146 °C |
| Solubility In Water | Slightly soluble |
| Density | 1.185 g/cm3 |
| Purity | Typically ≥98% |
| Synonyms | 3-Phenylaniline, m-Phenylaminophenol |
| Smiles | c1ccc(cc1)Nc2cccc(O)c2 |
| Inchi | InChI=1S/C12H11NO/c14-11-7-4-8-12(9-11)13-10-5-2-1-3-6-10 |
| Storage Conditions | Store at room temperature, away from light and moisture |
| Hazard Statements | May cause irritation to skin, eyes, and respiratory tract |
As an accredited 3-Phenylaminophenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | White plastic bottle labeled "3-Phenylaminophenol, 100g, CAS 101-07-1." Features hazard symbols and lot number, securely sealed. |
| Shipping | 3-Phenylaminophenol is shipped in tightly sealed containers, protected from light and moisture. It should be packaged according to chemical safety regulations, with clear labeling and hazard identification. Transport requires compliance with local and international regulations for hazardous materials, ensuring minimal risk of exposure, spills, or contamination during transit. |
| Storage | 3-Phenylaminophenol should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizing agents. Keep it protected from light and moisture. Store at room temperature and label the container clearly. Always follow standard laboratory safety guidelines when handling and storing this chemical. |
Competitive 3-Phenylaminophenol prices that fit your budget—flexible terms and customized quotes for every order.
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Tel: +8615380400285
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Over the years, demands for higher quality and reliability in specialty chemicals have only intensified. Our team has worked hands-on with 3-Phenylaminophenol for decades, continually refining our process to meet those rising expectations. Producing this compound in-house allows us to keep a close eye on every metric, from purity to consistency, supporting researchers and manufacturers who expect nothing less than predictable results.
3-Phenylaminophenol, also known by its chemical name 3-(Phenylamino)phenol, draws particular interest due to its unique molecular structure, which features both phenolic and aromatic amine groups. This blend of characteristics makes the product popular for specialized dyes, pharmaceutical intermediates, photographic developers, and certain advanced polymers. Our most frequently produced grade, Model: PAP-99, achieves a purity of over 99 percent measured by HPLC, allowing for sensitive downstream reactions where impurities can cause headaches.
Our process relies on carefully selected aniline and resorcinol raw materials, which undergo strict incoming inspections. Over the years, we have learned that even minor variations in these feedstocks can lead to substantial shifts in the color, melting range, or even reactivity of the finished 3-Phenylaminophenol. That’s why our production teams run GC-MS fingerprinting on every inbound lot before committing them to the reaction vessels.
Our reactors run at tightly controlled temperatures and under inert gas to prevent oxidative byproducts. After reaction, we separate and purify the product using fractional distillation and customized crystallization routines developed in our pilot labs. This dedication to process control means end users receive material with low fused ring impurity content and reliable melt profiles, reducing extra work downstream.
For 3-Phenylaminophenol, our most popular form remains fine white to off-white crystalline powder, with a particle size tailored around 120-180 mesh. We carefully dry this product to a moisture content below 0.3 percent, since even small amounts of water can affect some dye and developer processes. Our quality team tracks color index numbers and ensures iron and heavy metal residues remain well below established industry thresholds, because these metals can act as redox catalysts, introducing unwanted side reactions in certain applications.
3-Phenylaminophenol shows up in color dye synthesis as well as the production of pigments for writing inks and certain textile fibers. In these cases, trace contamination can cause subtle but costly color drifting during large-scale dye runs. Our manufacturing method delivers high batch repeatability, making our product valued for high-end specialty dye makers across Asia, Europe, and North America.
We also receive regular feedback from research chemists in pharmaceutical development. They use 3-Phenylaminophenol as a core building block for new molecular entities and patented active ingredients. One challenge that stood out was the formation of discolored byproducts, attributed to trace metallic contamination in the phenol. Our process line uses pharmaceutical-grade reactors and PTFE gaskets to prevent this issue, resulting in clean, predictable syntheses every time.
Photographic developer producers rely on 3-Phenylaminophenol as a base component in certain black-and-white and color photographic chemical formulations. In our experience, these customers are highly sensitive to micro-impurities that can fog emulsions or degrade the shelf life of developer concentrates. We supply detailed COAs for every lot, listing all trace contaminants down to fractions of a part per million, and maintain tight batch record controls—something you rarely see in generic commodity manufacturing.
The rise of advanced polymers and specialty plastics in the last ten years has brought a new group of partners to our customer base. Engineers use 3-Phenylaminophenol as a chain extender or to introduce functional groups, especially in high-performance resins. Consistent melt flow and low ionic impurities make it easier for these technical teams to troubleshoot challenges as they tune their polymer recipes.
We regularly receive questions about differences between 3-Phenylaminophenol and structurally related intermediates such as para-aminophenol and N-phenyl-p-phenylenediamine. The value lies in that ortho positioning between the amino and phenolic groups. This orientation changes both solubility and reactivity in coupling and diazotization reactions—factors that directly affect yield and product quality in dye and pharmaceutical applications.
A frequent comparison comes up with 4-phenylaminophenol, an isomer with a different substitution position. Over years of large-scale reactions, chemists learned that switching from meta to para substituents can shift absorption spectra and dramatically change application profiles. For those looking to synthesize deep reds or stabilize certain solvent dyes, the 3-isomer often fits the bill.
Cristallization behaviors also separate our 3-Phenylaminophenol from similar compounds. Some intermediates tend to form hard, clumpy masses, making grinding and metering difficult in automated production lines. Our product’s powder consistently pours and feeds well, reducing the likelihood of downtime due to bridging or clogging. This attention to downstream processing efficiency isn’t just for convenience; it carves out extra value for our clients who run high-throughput blending or dosing lines.
A lesson we have learned repeatedly: The finer the required purity, the greater the risk from microscopic contamination points. Years ago, a pilot run for electronic-grade dye materials revealed trace chloride picking up from a processing vessel’s worn seal. Today, our regular audits include ultrasonic cleaning and replacement of all reactor gaskets every quarter, and we swab equipment between runs.
Batch-to-batch color drift used to present a major frustration for ink makers. We invested in in-line colorimetry that tracks each batch’s absorbance profile. If our reading falls outside the optimal range, the product doesn’t move to final packaging—this vigilance has virtually eliminated valid customer complaints about product discoloration over the past five years.
Handling and packaging fine powders remains a necessary challenge, especially for customers who require ultra-low dusting or who operate in regulated environments. We moved away from older bulk-scoop packing methods and now employ closed-loop filling under nitrogen purge. This not only reduces atmospheric contamination, but also protects our product from oxidative degradation.
In regions subject to humidity swings, product caking and moisture pickup can turn even the best material into a headache for formulators. We addressed this by adopting multi-layer anti-static PE/foil bags. Our shipping tests include real-world simulation of transit racks, and each bag receives a tamper-evident seal so customers can open each pack knowing no atmospheric moisture has entered.
Quality does not stop at the exit ramp of the factory. We learned early on that even a perfect batch can run into issues if clients lack reliable storage and transfer practices. Our technical advisors routinely help partners upgrade raw material rooms with humidity and temperature data logging. Whenever issues occur, sample retention vials from each lot allow us to compare shipped goods versus in-house reference, helping us troubleshoot whether troubles trace to production, transit, or end-use environment.
We share our knowhow freely with customers facing process bottlenecks or unexpected results in their own labs. For instance, a client once came to us with unexplained pigment drop-out after switching to a new binder. Together, we reviewed their raw batch data and traced the cause to incompatibility with a surfactant. Adjusting the mixing protocol and advising on buffer selection quickly resolved the problem.
Our packaging includes not only a product batch card but also instructions about preferred storage and handling practices specific to 3-Phenylaminophenol. Given the sensitivity of this compound to air, heat, and trace acid vapors, we encourage users to store containers in well-ventilated and temperature-controlled rooms, away from acidic or oxidizing chemicals.
We understand that customers depend on our 3-Phenylaminophenol for processes directly impacting end-user health, safety, and environmental profiles. Safety and integrity drive our hazard assessment procedures. We invest heavily in worker safety training, ensuring those operating our production lines, as well as maintenance staff, fully understand the hazards—both acute and chronic—of aromatic amines and substituted phenols.
We maintain documentation for all regulatory filings and meet the latest industry standards for chemical management, ensuring our clients in Europe, Asia, and the Americas have the supporting documents for safe import and use. Our in-house EHS unit runs monthly risk assessments and maintains an open dialogue with public health regulators. This transparency fosters trust far beyond any regulatory minimum.
Routine airborne and wastewater emission monitoring, along with spill response planning, remain core parts of our operational discipline. In cases where municipal or national requirements shift, we adapt our procedures and keep customers in the loop as we upgrade or adjust production.
Customer trust stems not from glossy brochures but from our day-to-day reliability and willingness to engage with real-world problems. We assign technical account managers with years of plant-floor experience who can talk shop with chemists and engineers, providing not only samples and batch data but also genuine troubleshooting support.
Investment in R&D and pilot-scale evaluation supports ongoing improvements. When a client’s analytical requirements become more demanding, for instance as part of a move to LC-MS based QC, we collaborate directly with their labs, sharing our own validation samples and running cross-method analyses.
The drive to reduce risk and variability runs through every upgrade. From raw material sourcing, where we audit suppliers down to solvent tank cleaning logs, to investment in new powder handling, our philosophy always centers on the customer outcome. For instance, we pioneered semi-automated filling lines for 3-Phenylaminophenol long before this became common—this single upgrade cut accidental exposure rates for both our staff and clients by more than half.
Being a direct manufacturer brings responsibility and opportunity. We participate in industry alliances focused on improving benchmark purity, safety, and lifecycle documentation for specialty chemicals like 3-Phenylaminophenol. Open exchange of process learnings, both successes and failures, sparks better practices across all stakeholders.
As green chemistry and low-carbon technologies reshape expectations, we explore and pilot renewable and recycled feedstock streams. At present, most aromatic feedstocks still rely on petrochemical sources, but we are mapping out routes for integrating renewable raw materials as soon as credible supplies become viable at industrial scale.
Process improvements also involve digitalization. In our newer production units, sensors continuously monitor reactor conditions, feeding data to a central control platform that flags any deviation from ideal temperature or pressure. This technology has driven down batch rejection rates, supporting customer schedules and reducing waste.
Operating as a manufacturer gives a different perspective than those who only trade or distribute specialty chemicals. We don’t just handle finished goods; we own every challenge from raw material to finished drum. Each success or setback in production, every question from a formulator or R&D partner, comes straight to our team—giving us a direct feedback loop and stronger drive to solve problems as they arise.
Our 3-Phenylaminophenol remains trusted by some of the most advanced research labs and the largest dye houses across three continents because we back up our claims with measurable, repeatable performance. From shipment security, technical support, and regulatory transparency, we build reliability not just batch by batch but year after year.
Our journey with 3-Phenylaminophenol has offered us not only the technical challenges that keep chemists engaged, but also the opportunity to learn from global partners working at the cutting edge of their industries. We remain committed to raising the bar on quality, process security, and sustainable innovation. Whether the need is for high-purity material at scale or problem-solving on a complex application, our door is always open for direct conversation and collaboration.
