|
HS Code |
219066 |
| Chemicalname | 3-Nitro-p-hydroxyethylaminophenol |
| Casnumber | 65235-31-6 |
| Molecularformula | C8H10N2O4 |
| Molecularweight | 198.18 |
| Appearance | Yellow to orange powder |
| Solubility | Soluble in water and ethanol |
| Purity | Typically >98% |
| Usage | Hair dye intermediate |
| Synonyms | 2-(4-Hydroxy-3-nitrophenyl)aminoethanol |
| Storageconditions | Store in a cool, dry place, tightly closed container |
| Ph | Neutral to slightly acidic in solution |
| Stability | Stable under normal conditions |
| Hazardclass | Irritant |
As an accredited 3-Nitro-P-Hydroxyethylaminophenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The packaging for 3-Nitro-P-Hydroxyethylaminophenol, 25g, is in a sealed amber glass bottle with a tamper-evident cap and hazard labeling. |
| Shipping | 3-Nitro-P-Hydroxyethylaminophenol should be shipped in tightly sealed containers, protected from moisture and direct sunlight. Use appropriate chemical-resistant packaging and label according to hazardous material regulations. Ensure transportation complies with local and international guidelines for chemicals. Provide proper documentation, including safety data sheets, and handle with suitable personal protective equipment during transit. |
| Storage | 3-Nitro-P-Hydroxyethylaminophenol should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from sources of heat, sparks, and direct sunlight. Keep it separate from incompatible substances such as strong oxidizers and acids. Ensure proper labeling and restrict access to authorized personnel only. Use appropriate safety precautions and follow all relevant chemical storage regulations. |
Competitive 3-Nitro-P-Hydroxyethylaminophenol prices that fit your budget—flexible terms and customized quotes for every order.
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Manufacturing chemistry offers little room for error. Every raw material selection, every reactor condition, every analytical check—these decisions shape the quality and reliability of the compounds we create. Among the aromatic compounds that have found their way into high-value applications, 3-Nitro-P-Hydroxyethylaminophenol stands out for its strong performance in demanding formulations. Drawing on decades of experience, our team has worked hands-on with this compound, understood its quirks, and supported customers who place serious trust in the end results of our processes.
The chemical structure of 3-Nitro-P-Hydroxyethylaminophenol reflects real engineering—nitro and hydroxyethylamino groups bonded to a phenol core. Those functional groups matter. The nitro substituent, placed at the meta position, drives electron-withdrawing character, affecting reactivity, solubility, and interaction with other molecules. The hydroxyethylamino side chain, attached para to the hydroxyl, opens the door to further chemical reactivity, as well as giving formulators options when targeting specific properties.
Our process starts with conscientious raw material selection. Purity is pivotal because trace byproducts from precursor aromatics or poorly controlled oxidation can sabotage yields or impact the downstream application. Production conditions—temperature, pressure, sequence of reagent addition—are set following protocols refined by long experience. Analytical work—GC, HPLC, NMR—verifies our product layer by layer, and every kilo is made with the expectation that it may end up in a highly regulated cosmetic base, medical test reagent, or specialty technical system.
Specification isn’t marketing fluff. Customers who buy 3-Nitro-P-Hydroxyethylaminophenol often raise deeply technical questions: what about heavy metal content? Are nitrosamine byproducts detected and controlled? What’s the primary isomeric purity? Our model typically achieves purity above 99.5%, verified by HPLC using reference standards we prepare and calibrate ourselves. Moisture levels and insoluble residue sit well within strict bounds—each number supported by batch records and laboratory reports. Even subtle variations in melt point or color can warn manufacturers of risk for downstream reactivity or color instability, especially in formulations that demand clarity or fine color control.
Because of years supplying this product to European and North American clients, our team has watched how regulatory landscapes have changed. We recall REACH registration rounds in the EU, where dossier completeness and trace data carried real-world consequences for our export customers. We pay close attention to phenolic contamination or co-migration risks, especially when finished products could contact skin or be used in diagnostic environments.
Inside our plant, we see orders from diverse industries, but the common thread remains: these customers need predictable, high-quality function from their chemical inputs. Cosmetics developers have leaned on 3-Nitro-P-Hydroxyethylaminophenol in hair dye intermediates and colorants. The compound reacts with couplers under oxidative conditions to deliver rich, lasting color hues—often targeting gold-brown or intense coppers when combined in proprietary dye blends. We know from partnerships over the years that batch consistency directly impacts whether a hair color developer claims triumph or faces returns from angry salons.
Analytical chemistry firms and diagnostic developers have also found real value in what we ship. The combined electron-donating and withdrawing properties in this molecule allow it to act as a specialized chromogenic substrate or intermediate for test strips and reagent kits. Interactions with proteins, oxidants, or metallic ions can deliver rapid, visible changes—provided the compound is manufactured free from contaminating aldehydes, amines, or other phenol derivatives. Every time one of our customers scales up, we work with their development chemists to troubleshoot color stability, spot test any unusual micro-contaminants, and resolve stubborn solubility issues together.
Technical uses span textile auxiliaries and certain specialty polymers, capitalizing on the crosslinking potential of the hydroxyethyl group or the unique reactivity profile enabled by the nitro substituent. These applications may seem niche from the outside, but volume customers in this segment expect complete documentation and traceability—no shortcuts tolerated.
Competent formulators do not choose their raw materials by catalog alone. Plenty of cousins to 3-Nitro-P-Hydroxyethylaminophenol exist, both in terms of nitro-phenol intermediates and hydroxyalkylamino phenolic compounds. Each substitution pattern alters downstream chemistry. For example, shift the nitro from meta to ortho or replace the hydroxyethylamino group with a methylamino or plain phenol, and everything from solubility to shade to oxidative coupling reactivity can change in ways that surprise an unwary chemist.
We have worked extensively with customers who initially tried to substitute related compounds—perhaps due to price fluctuations or availability issues on the global market. Nearly every time, reformulation headaches, loss of end-product performance, or regulatory headaches forced a return to 3-Nitro-P-Hydroxyethylaminophenol. The precise interplay of substitutions here provides both a versatile chemical scaffold and a reliable pathway through quality audits and regulatory scrutiny.
We also advise customers new to this compound that generic or low-purity grades—sometimes offered by traders with unclear provenance—fall short in high-stakes uses. Numerous times we have traced recurring product failures in customer plants to increased trace impurities in low-tier grades, causing off-odors, undesired colors, or even sensitization in cosmetic formulations. Cost savings disappear quickly when a batch recall or customer complaint lands on the table.
Any manufacturer can claim to make a chemical, but not all claim it for years and face direct client scrutiny with each shipment. The synthesis of 3-Nitro-P-Hydroxyethylaminophenol can become tricky at scale. Control of pH, temperature, and addition rates is critical; under-reacting leaves unreacted precursors, but over-oxidation forms colored byproducts that are expensive and tough to remove. Our continuous improvement approach includes regular machinery maintenance, staff retraining, and upgraded filtration and purification systems, especially for cosmetic or medical customers running validation batches.
Logistics add to these headaches. Short lead times mean robust inventory and a clear sense of the supply chain from our side. We source intermediates from vetted suppliers, maintain buffer stocks, and monitor for global disruptions. We’ve lived through port closures and shipping bottlenecks—adaptability here means customers get their orders on time, keeping their own production lines moving. Every container sent out carries full documentation detailing analytical specs, batch traceability, and any hazard or handling considerations that experience tells us might be questioned by a vigilant quality team.
Regulatory affairs dominate more of our daily manufacturing planning than many outsiders might realize. Every certificate we issue rests on detailed lab work and dozens of risk assessments made as a product team, sometimes years before a batch leaves our warehouse. When pharmacy or cosmetic customers win a new product registration or market launch, our trace-level impurity controls and batch repeatability play a direct role.
We’ve supported scaleups for new plant startups—troubleshooting unfamiliar precipitation behavior due to water quality shifts, adjusting reactor conditions to support higher yields in steps previously only tested in the pilot plant. Open conversations between our technical team and R&D chemists on the customer side produce results far beyond what a bullet-point data sheet could ever achieve.
For high-production chemicals used in sensitive end uses, waste treatment and emission controls make up a real part of the manufacturing story. We’ve devoted years to reducing nitroaromatic emissions to air and water—routine analysis on our effluent streams, ongoing scrubber upgrades, switching to higher-recovery solvent systems where economically justifiable. At the same time, our waste management protocols comply with both local and international standards, demonstrated by repeat visits from both local authorities and auditors representing overseas customers.
Employee safety sits alongside product quality in our focus. Regular inhalation and skin exposure assessments, PPE requirements, annual training refreshers—these habits mean our production team stays healthy and our product maintains the quality demanded by customers using it in skin-contact or diagnostic applications.
From direct work with customers, a few lessons keep repeating. Formulators who take the time to qualify a batch up front—running their own HPLC checks, blending test batches early, recording observations—almost always report long-term time and cost savings. We encourage these partnerships by offering application advice and opening our technical archives, built from hundreds of troubleshooting requests resolved since we began shipping this product.
We see end users succeed when they understand not just the numbers on our certificate of analysis but the nuances of how variations affect their processes. For example, a slightly off melting point can indicate higher water content, and though it may fall within a published specification, it can result in unexpected precipitation or an unstable dye shade. Experienced chemists verify these details through trial blends and small-scale test runs before launching full production campaigns, and we share their commitment by running parallel checks on our side.
Problems sometimes emerge in storage or after extended shipping—resolution may require examination of shipping logs, temperature records, packaging integrity, and revalidation of the batch. Our technical support team acts as a real partner here, tracing outcomes to their root causes and implementing process tweaks to prevent future recurrences. It’s a cycle of feedback that turns a commodity product into a sustained, trusted partnership.
Demand for 3-Nitro-P-Hydroxyethylaminophenol has not stood still. Formulators probing for lower-residue cosmetics or faster-reacting diagnostic systems push us to improve every year. We’ve developed low-residue grades for high-purity systems, adapted our logistics for rapid global delivery, and invested in laboratory expansion to qualify every incoming raw material and outgoing batch far beyond minimum expectations.
A few advanced projects have driven us to innovate further, such as tuning particle size distributions for faster dissolution, reducing trace catalyst carryover, or pre-blending with neutral stabilizers to support ready-to-mix powder formats. Every request comes with its own technical hurdles—sometimes in scaling up from grams to tons, sometimes in meeting evolving regional regulatory norms. We work closely with customer R&D, shipping out test quantities, iterating with their in-house teams, then scaling up as performance targets are met.
Quality assurance is more than a final inspection. Experienced customers often ask us about in-process controls, not just final COA results. We walk them through our sample retention archives, trace everything from reagent batches to maintenance logs on reactors, and share anonymized case studies where in-process deviations led to learning and process improvement. These stories, more than any data point, build the foundation of trust that outlasts market shifts and pricing waves.
So, when a formulator asks, “What makes your 3-Nitro-P-Hydroxyethylaminophenol stand out?” the answer lies in every decision made from the loading of raw materials to the handoff to the shipping department. Experience, direct problem-solving, regulatory awareness, and constant customer dialogue—without these, specifications on a page have little meaning.
Industry isn’t static, and neither are the needs for specialty chemical intermediates. New consumer safety criteria, evolving cosmetic ingredient bans, advanced analytical detection limits—each new challenge draws on every lesson of the past and every gram of quality-related experience gained. 3-Nitro-P-Hydroxyethylaminophenol represents one example where attention to detail, collaborative engagement with users, and manufacturing discipline shape more than product consistency—they shape real-world results, brand reputation, and safety for the end consumer.
Investment in staff training, process automation for critical stages, and active participation in regulatory harmonization initiatives reflect our ongoing commitment. We spend as much time learning from customer feedback and field performance as we do in the plant or the lab. It’s this feedback loop that has allowed us to remain a trusted source of 3-Nitro-P-Hydroxyethylaminophenol across multiple industries and geographies, not simply as a supplier but as a responsible manufacturing partner.
Manufacturing is not about chasing the latest trend or offering the lowest price at any cost. For compounds like 3-Nitro-P-Hydroxyethylaminophenol, it takes hands-on experience, continuous investment, and willingness to solve tough problems side by side with the people who depend on what we make. Our story with this product continues to evolve, just as the challenges and expectations of our customers do. The lessons learned from every batch, every project, and every customer call continue to shape not just our product, but our integrity as a manufacturer.