|
HS Code |
640074 |
| Chemicalname | 2-Amino-4-Nitrophenol |
| Molecularformula | C6H6N2O3 |
| Molecularweight | 154.12 g/mol |
| Casnumber | 99-57-0 |
| Appearance | Yellow to orange crystalline powder |
| Meltingpoint | 138-142 °C |
| Solubilityinwater | Slightly soluble |
| Boilingpoint | Decomposes before boiling |
| Density | 1.55 g/cm³ |
| Purity | Typically ≥98% |
As an accredited 2-Amino-4-Nitrophenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle containing 100 grams of 2-Amino-4-Nitrophenol, sealed with a screw cap and labeled with safety information. |
| Shipping | 2-Amino-4-Nitrophenol is shipped in tightly sealed, chemical-resistant containers, compliant with relevant safety regulations. It is packaged to prevent moisture and contamination, and clearly labeled as a hazardous material. Appropriate documentation accompanies the shipment, and handling precautions are emphasized to ensure safe transport and delivery in accordance with chemical handling standards. |
| Storage | 2-Amino-4-nitrophenol should be stored in a cool, dry, well-ventilated area away from sources of ignition, heat, and incompatible materials such as strong oxidizing agents. The container must be tightly sealed and clearly labeled. Protect from light and moisture. Use only with proper ventilation, and limit exposure by storing in dedicated chemical storage cabinets. |
Competitive 2-Amino-4-Nitrophenol 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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We have been producing 2-Amino-4-Nitrophenol for many years on the same line where we make key raw materials for the dye and pharmaceutical industries. This isn’t some speculative listing or a product traded merely for resale. We watch every batch go from raw chemical to the finished powder. As manufacturers, we deal with these compounds on a daily basis — and anyone who actually makes 2-Amino-4-Nitrophenol, not just moves it around, knows what that means for consistency, purity, and downstream performance in customer processes.
We typically supply 2-Amino-4-Nitrophenol under its widely recognized chemical structure: C6H6N2O3. Bulk output is a deep orange to brown powder, crystalline in texture, reflecting its purity. On our QC floor, purity on a dry basis averages 98 percent or higher by HPLC. Moisture readings rarely exceed 0.5 percent, because excess water interferes with downstream reactions. In-house techniques, including infrared and UV-Vis spectra, confirm batch reliability. These are not just numbers to us — they allow us to see at a glance that everything is on target before cargo goes out the door.
We see real-world demand for 2-Amino-4-Nitrophenol from long-standing partners in textile dye production, pigment synthesis, and specialty intermediates. Laboratories and plant operators count on the molecule as a key step in making permanent hair dyes, oxidation dye intermediates, and other organic colorants. Batch after batch, the quality of our material impacts the uniformity, color strength, and even finished product shelf life for those further down the production chain. Unlike more commoditized aromatic amines, the unique substitution pattern on the phenol ring of our product changes its reactivity, so impure material leads to faulty synthesis — a lesson we have learned when customers return with technical questions or process issues. This isn’t hypothetical: We troubleshoot side reactions in both azo and oxidative coupling work if the raw materials deviate even slightly.
Choosing 2-Amino-4-Nitrophenol against similar molecules like 2-Nitro-4-Aminophenol or para-isomers is not just a matter of price or supply. The placement of the amino and nitro groups at the 2 and 4 positions, compared to the 4-amino/2-nitro or para constructs, affects its performance in condensation and diazotization reactions. This changes the color tone and fastness behavior when producing dyes. During continuous runs on our lines, we notice yield losses, off-shades, and faster degradation rates when buyers substitute with alternates or insist on generics from traders not invested in the chemistry. Our material holds its value for users demanding consistent batch-to-batch reactivity and minimal byproducts. This comes from tight control at each step, not from big claims on a data sheet.
We supply this product per customer requirement, usually in 25 kilo drums lined to block moisture and light. The powder isn’t free-flowing like a food-grade material — static and minor clumping emerge if packaging or warehouse climate isn’t watched. We advise direct transfer from drum to reactor for best yield. Production tank operators know that adding the powder too quickly leads to lumping and incomplete dissolution, so slow addition into a well-agitated vessel, under nitrogen where possible, gives best results. Some customers use it in buffered solutions; others add it directly to alkaline or mildly acidic aqueous media. We discourage storage over long periods in open warehouses, based on our experience watching color and assay degrade with humidity. Field feedback confirms these precautions limit loss rates and ensure more predictable reactions.
Consistent output is hard-earned. Impurities from incomplete nitration or side products from reduction steps reveal themselves downstream as unexpected color formers. We invest in continuous purification to remove ortho-nitro byproducts and colored tars that drive instability in sensitive dyestuff syntheses. Over the years, technical teams in our plant have responded to failures in customer dye baths by running side-by-side trials. Materials with low purity or high ash, sometimes received from external sources, produce dyestuff lots that fade faster or precipitate unexpectedly. Several dye manufacturers insist on our product because they can reduce or eliminate filtering steps and spend less on reject management. These improvements reduce downtime, save solvent and energy, and support more predictable batch output.
Decades of hands-on work with aromatic amines and nitrophenols mean we take environment, health, and safety seriously. Our processes contain effluent, dust, and vapors through sealed lines and wet dust collection. Waste streams run through in-house treatment with reduction and neutralization to prevent nitroaromatic discharge. Our plant operators use up-to-date personal protective equipment in all drum filling and open handling areas. We never load cargo without tested certificates for heavy metals, and color formers to meet client markets in Europe, Japan, and the Americas. End users ask for low impurity content not just for process reasons, but to meet regulatory guidelines on restricted aromatic amine residues in final dyestuffs. We maintain a dialogue with customers and regulators to stay ahead of changes, incorporating lessons learned from their audits right back into our own procedures.
We supply across continents and have watched demand fluctuate, sometimes due to regulatory bans, other times because of textile trends. European and Japanese dyestuff makers remain steady buyers, valuing traceable supply and certificates of analysis over bargain prices. Each new uptick in fashion color demand ripples through our bulk inventory planning. The past decade’s tightening on nitroaromatic handling led many traders to drop references from catalogs, but as a manufacturer with direct oversight, we maintained output through improved containment and process efficiency. Export destinations insist on lot-level traceability and fast, clear documentation. Long-time buyers tell us that unpredictable lead times and quality swings from resellers disrupt their planning, so they rely on consistent manufacturers. Our approach means we can respond quickly when a change happens — not just by shifting inventory from a warehouse, but from the production plan itself.
Technical dialogue with application chemists and plant managers remains critical. Customers expect more than a product fulfill order: they seek insights on color yield in new formulations, alternative reaction routes, or troubleshooting for failed scale-up. Several partners have asked our team for real data, not just paperwork, on how our 2-Amino-4-Nitrophenol behaves in emerging hair dye applications or for novel pharmaceutical syntheses. We’ve run side batches for customers testing new antioxidants or fine chemicals, providing not just samples but comparative analytical reports. Our quality team often follows up on application-specific requirements, whether for lower residual metals, finer particle size for fast dissolution, or minimal traces of other isomers. These exchanges don’t just drive incremental improvement — they shape how we plan future output.
Today’s market expects more than a simple supply of goods; every drum must support traceability from entry material all the way to containerization. We maintain electronic batch records from starting raw material to finished goods, so any deviation gets traced back and fixed at the process level. We send out-of-spec batches for reprocessing, never to market. Buyers audit our facility regularly and have full access to analytical records, not just a summary sheet. All outgoing cargo includes a copy of the test certificate and, for certain geographies, detailed breakdowns as per local chemical legislation. Raw data, not just declared compliance, backs each certificate.
Many ask about differences between our product and generics or off-brand supply sourced through bulk chemical traders. Consistency isn’t just a slogan: our test records over the years show narrower ranges for ash content, heavy metals, and secondary color formers. The cost of a cheaper batch, if it means running into batch-to-batch color variance or higher fail rates in high-end hair dye lines, usually outweighs the original saving. We have had manufacturers switched over from unknown sources after running into uncontrollable shade drift and higher filtration costs, which disappear when our product becomes a regular input. Plant operators and formulation chemists give us field data on yield and cost per batch, confirming what we see at the analyzer.
No manufacturing process is perfect, and producing 2-Amino-4-Nitrophenol at commercial scale poses its own set of unique challenges. Handling raw nitrophenols in large volumes means monitoring dust, exposure, and temperature extremes. Each scale-up brings lessons, often learned from unplanned side reactions, small color shifts, or even unexpected exotherms in nitration. We focus on process control at every stage, training line operators on live process deviations, not just handing out paperwork. Our R&D and scale-up teams work closely with operators to solve problems in real time — whether it’s a change in solvent, agitation, or addition method. We rebuild or retrofit process equipment as needs change, adjusting the manufacturing sequence for better yield and safety outcomes. Ongoing process tweaks keep turnarounds short and help prevent downtime.
We see innovation not just from within our plant, but through the ways our material supports new product launches in customer segments. Customers pushing into high-value organic pigments or emerging oxidation dye intermediates bring us new challenges. We listen to end users when they ask for improved solubility or lower off-odor for pharma intermediates, adjusting process controls and in-line purification steps as required. As a manufacturer, we invest in lab-scale pilots, working alongside customers to meet their needs for faster response and unique specification changes. Our experience tells us innovation at the chemical building block level leads to product wins for those who depend on tailored inputs. This approach only works when there’s close, direct connection — which our in-house production makes possible.
Reliable access is more than just counting stock on hand; it’s about the ability to adapt schedules and keep materials moving. We manage inventories tightly, and communicate honestly — so when extreme weather, international policy shifts, or unexpected market surges hit, we can ramp output or shift deliveries without overpromising. Some clients have contingency plans for alternative suppliers, but return to us when unpredictable supply creates quality swings. As producers, we can pick up the phone to the process team, rerun critical steps, and keep product moving in response to actual demand. This is not possible for those who only handle warehousing — adapting production at source is a direct benefit to anyone relying on us as a partner.
Our site must meet environmental requirements — and these have gotten stricter over time. We have installed new scrubber systems and in-line monitoring equipment, investing in best available techniques to ensure reducing agent residues and aromatic dust are controlled. Any spills or leaks, even minor, mean a repair and incident investigation, not quiet sweeping under the rug. Field audits from global customers and local environmental officials focus not just on paperwork but on real footprint numbers. Our aim is for every kilo produced to leave the smallest possible mark on air, water, and soil.
Recent years saw global transport fluctuations, container availability drops, and new import checks on aromatic intermediates. We learned to partner with logistics providers knowledgeable about safe handling and paperwork. Scheduled output runs, buffer stocks, and tested packaging suppliers keep disruptions to a minimum. Early, direct communication with customers about real-time status — not generic delivery times — keeps schedules transparent. Those looking for reliable delivery appreciate not just prompt paperwork, but backup plans and direct access to production data in the event anything goes wrong.
Looking back, our efforts to maintain a sharp focus on satisfied, qualified output for 2-Amino-4-Nitrophenol serve us well in a climate where speculation and quick deals matter less than reliability. Those who buy on price alone see unexpected costs creep in as downstream yield, color, and process time suffer. The lesson, from our side, is that focused, honest manufacturing drives value well beyond the drum price. By working directly with application chemists and quality leads across borders, broadening specification checks, and keeping lines open on technical support, we aim to serve not just current demands but support the future progress of customers who depend on us. Each batch shipped continues an ongoing dialogue: production, quality, and client need, working together.
