|
HS Code |
822500 |
| Iupac Name | 4-[(1R)-2-Amino-1-Hydroxyethyl]phenol |
| Molecular Formula | C8H11NO2 |
| Molar Mass | 153.18 g/mol |
| Cas Number | 51-61-6 |
| Appearance | White to off-white solid |
| Melting Point | 171-175 °C |
| Solubility In Water | Freely soluble |
| Boiling Point | Decomposes before boiling |
| Pka | 8.9 |
| Logp | -0.29 |
| Smiles | OC(=C1)C=CC=C1C[C@@H](N)O |
| Pubchem Cid | 5916 |
As an accredited 4-[(1R)-2-Amino-1-Hydroxyethyl]Phenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 500g of 4-[(1R)-2-Amino-1-Hydroxyethyl]Phenol supplied in a sealed, amber glass bottle with tamper-evident cap and hazard labeling. |
| Shipping | **Shipping Description:** 4-[(1R)-2-Amino-1-Hydroxyethyl]Phenol is shipped in sealed, labeled containers under ambient conditions. Packaging complies with local and international chemical transport regulations. The product is protected from moisture and sunlight. Appropriate documentation and safety data sheets are included to ensure safe handling and regulatory compliance during transit. |
| Storage | **Storage for 4-[(1R)-2-Amino-1-Hydroxyethyl]phenol:** Store in a tightly sealed container, protected from light, moisture, and incompatible materials such as strong oxidizers. Keep at room temperature (15–25°C) in a well-ventilated, dry area. Avoid exposure to heat and direct sunlight. Label the container clearly and ensure it is kept away from food, drink, and animal feed. |
Competitive 4-[(1R)-2-Amino-1-Hydroxyethyl]Phenol prices that fit your budget—flexible terms and customized quotes for every order.
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Every batch of 4-[(1R)-2-Amino-1-Hydroxyethyl]phenol that leaves our facility reflects years of experience with aromatic amino alcohols. This compound, well-regarded across pharmaceutical and specialty chemistry sectors, comes off our reactors after careful planning at every stage. We operate in real time, adjusting for weather, feedstock purity, and process variables. This synthesis doesn't just involve following a recipe—every operator monitors pressures and stirring rates, working shoulder-to-shoulder with quality control to ensure that what goes into the reactor comes out meeting tight optical purity specifications.
The chemical itself, sometimes referred to by shorthand names in scientific circles, demands accuracy at every step. Our team spends a significant part of each week maintaining reactors, weighing additives, and checking for the faintest changes in reaction color—a sign the process is on track. Small errors can ripple into downstream processes or knock a batch out of spec. Because of its chiral center, we focus on stereochemistry from the get-go. We produce only the (1R)-enantiomer, as the difference in physiological behavior between enantiomers goes beyond most paperwork and leans into real-world application and safety.
The current process model we run relies on batch processing under nitrogen, using our trusted boiler system for temperature control and glass-lined vessels to prevent contamination. Final crystals come through repeated recrystallizations, each one reducing trace contaminants. From experience, filtration rates and solvent choices influence yield and purity more than theory sometimes suggests. We use streaming HPLC and NMR data, not just spot testing: with every kilogram, quantitative checks inform whether the next step proceeds or stops for corrective action.
Batch sizes range according to customer needs, but our standard runs deliver 10-50 kg per batch, which has proven achievable without sacrificing consistency. Specifications matter—buyers demand clear numbers. The compound leaves our plant with purity specifications above 99% by HPLC, moisture below 0.3% by Karl Fischer titration, and specific rotation measured against standards. By dealing with only the (1R)-isomer, we avoid downstream headaches in finished formulations.
This molecule shows up in antihypertensive formulations, as a building block for active pharmaceutical ingredients involved in cardiovascular therapy. Our partners need a reliable intermediate; any impurity can muddy downstream steps and increase batch rejection rates in tableting. It also serves as a feedstock in certain cosmetic and dermatological preparations, thanks to the functional group profile—amino and phenolic groups offer synthetic flexibility for modifications.
In our conversations with process chemists, we've learned that minor discrepancies in melting point, moisture, or even microimpurity content have knock-on effects. For instance, a slightly higher level of a specific side product can throw analytical results out of expected range, increasing cost and causing delays. Incremental improvements in our own process—tightening up each distillation, tweaking solvent choices—help keep these surprises to a minimum for our customers.
The fine chemical market isn't short on phenolic and amino alcohol intermediates, but not all sources handle the (1R)-2-amino-1-hydroxyethyl group with the same attention to chiral control. We don't rely on post-synthesis separation or resolution—the route is inherently chiral, and that's intentional. Racemates can lower cost elsewhere, yet the science supports the use of single stereoisomers for best bioactivity and the least risk of unexpected side effects. Analytical labs often report batch-to-batch transition issues with racemate-based sources, including variable selectivity in downstream reactions and changes in pharmacokinetics.
We've had customers share experiences with cheaper material that led to time-consuming reformulation or failed regulatory submissions. With 4-[(1R)-2-Amino-1-Hydroxyethyl]phenol, feedback often centers on reliable melting points, no lingering mother liquor odor, and simple integration into complex syntheses. Our routine stability trials and shipping trials help ensure the product survives hot and humid supply chain environments, even in summer.
The raw material supply chain has always been something we keep an eye on. We've had years when phenol prices spiked or intermediates needed for the amination step faced regional shortages. Some years call for reworking contracts and even qualifying new vendors for starting materials. To keep the product consistent, we've invested in both supplier risk assessments and equipment redundancy. Reactive maintenance gives way to preventive plans, including routine reactor lining inspections, solvent purification checks, and staff retraining.
Temperature control is another piece that can't be overlooked. Our reactor operators, many with over a decade in this line, will tell you that even a few degrees' shift can disrupt crystal formation and filtration speed. Winter batches behave differently from summer ones, so we've installed advanced PID-based boiler controls and ambient monitoring, plus added nitrogen purges and jacketed transfers. Quality assurance includes a direct handoff from the process crew, who spot atypical crystal clumping or off-odors before any batch goes for analytical clearance.
Clients, especially in pharma and active ingredient manufacturing, look for specific documentation about how each batch was handled and tested. We maintain full batch records, including traceable data for all raw material lots. Our lab team archives all chromatograms, spectrometry data, and certification logs—this isn't just for audits, but also our internal feedback loops. If a customer reports any divergence from expected properties, we dive into these logs and can usually trace the story with clarity.
This recordkeeping goes beyond compliance. Having immediate access to full records builds trust among clients, and we've found it also helps when streamlining process improvements. Adjusting a temperature profile or a pH hold time isn't a matter of guesswork; it pulls from years of concrete data.
The chemical industry faces constant pressure to improve environmental performance, and making 4-[(1R)-2-Amino-1-Hydroxyethyl]phenol is no exception. For every batch, we've invested in solvent recycling and energy-optimized distillation. Water use has come down after switching to closed-loop cooling. Waste streams get treated in-house to standards acceptable for direct discharge, not just for compliance but as part of our commitment to the communities around our plant.
Emissions tracking and regular environmental tests feature in every monthly operations review. Workers flag anomalies early, and management looks for additional steps to increase yield or trim waste. Progress isn’t always fast, but ongoing investment in new filter media, catalysts, and energy monitoring equipment delivers measurable results.
A safe workplace matters just as much as production numbers. We run hands-on training every quarter, focusing on both chemical-specific hazards and broader process safety. Operators handle phenol derivatives with gloves and respirators, and our rooms use negative pressure with automated scrubbers. It’s not unusual for a new employee to shadow a seasoned operator for weeks before working a batch independently, and incident review sessions shed light on how to avoid near-misses. In the past, even subtle spills prompted procedural updates, such as moving to more robust containers or adding more frequent leak checks.
Real buy-in for safety comes from letting operators set some of their own routines. The best feedback on how to improve often comes from the people in the production bay, whether it’s repositioning a drain or adding double-checks on filtration steps.
After shipping, support doesn’t stop. Tech teams at client sites sometimes call about solubility shifts, reactivity with certain starting reagents, or packaging issues—especially if shipping delays cause temperature excursions. Our chemists keep up with both customer feedback and the latest literature, reviewing common downstream routes for API synthesis. With a couple of analytic tweaks, clients can often salvage material or optimize their own runs as a result of these conversations.
We don’t see complaints only as problems, but as data for further tightening our process. Formulators appreciate that a back-and-forth with manufacturers can uncover issues that standardized specifications alone might miss. Solutions often emerge from small changes, whether it’s altering the drying step or adjusting pre-shipment holding conditions based on actual weather data.
Once we pack each drum, handling transitions to the logistics teams. Warehouses maintain temperature- and humidity-controlled storage. We moved away from thin-walled drums after noticing that bumping during transport created contamination risk. Palletized shipments travel with shock and tilt detectors, allowing for real-time reporting along the supply chain. Repeat clients push for faster turnaround, so we hold rolling safety stock and accelerate loading when a customer faces a shutdown.
Handling customs and international regulations can introduce bottlenecks outside our control, yet by maintaining complete and transparent paperwork, we reduce delays at cross-border checkpoints. Feedback from international distributors helps further refine packaging or documentation. Meeting these practical requirements means more consistent, on-time delivery and fewer calls about package integrity or customs detainment.
Active ingredient intermediates stand under strict regulatory oversight—hence we produce and archive full Certificates of Analysis for each lot. Any analytical deviation prompts immediate root cause review. We update our in-house analytical methods to match current international compendia. Certificates cover basic properties but also show detailed impurity profiles, and the analytical team responds quickly to extra data requests.
Our internal procedures anticipate regulatory inspections, and cross-functional teams meet for regular “regulatory readiness” sessions. Experience tells us that upfront documentation prevents far more disruption than corrective actions later. Regulatory compliance isn’t just about the paperwork; it aligns internal priorities with end-user trust.
Process improvement brings together many voices, from R&D to plant maintenance to shipping. Suggestions come from every department—installing upgraded filters, varying solvent composition, or revising schedules to limit downtime. Pilot projects sometimes run alongside routine batches, allowing operators and chemists to experiment without risking main output. Failures are part of the process. One run in winter proved that a smaller grind size during filtration improved drying and stability. Cross-department lessons like these keep incremental changes building up to real gains.
Close client relationships means ongoing dialogue about evolving requirements. If a new analytical standard emerges or a customer faces more restrictive specifications, we adapt fast, sharing process changes and potential impacts in language that doesn’t get lost in translation. Regular site visits—both our chemists visiting clients, and customers visiting our plant—bridge understanding gaps and keep everyone focused on outcomes, not just paperwork.
We don’t see ourselves just as suppliers; making 4-[(1R)-2-Amino-1-Hydroxyethyl]phenol means traveling the road from raw materials to final formulation together with our partners. Fact-based, practical feedback informs both process and product choices. If industry standards tighten or research reveals new impurity risks, we’re used to switching tack midstream rather than sticking with the status quo.
Over the years, we’ve seen enhanced stability and shelf-life claims fall flat when ignoring real warehouse or transit conditions. Our technical and production teams share what works and where problems surface, both with new and veteran customers. Open two-way communication and transparency—rather than generic data sheets—drive longer-term outcomes, and we encourage this at every stage from trial orders to large campaigns.
Every kilo that leaves our production line for a pharma plant or research lab serves as a reference point, illustrating what real control and engagement achieve. We take pride knowing the compound pulls its weight in critical healthcare products, where purity and reliability can’t bend. Trust builds batch by batch, not with flash but by meeting specifications and supporting each client with informed service.
Continuous adaptation, investment in reliable production methods, and building relationships with downstream users allows us to deliver 4-[(1R)-2-Amino-1-Hydroxyethyl]phenol as more than just a commodity. We see our role as participating in the progress of both applied science and daily manufacturing, using experience as our guide rather than shortcuts or compromises.