|
HS Code |
234129 |
| Iupac Name | 2-amino-4-nitrophenol |
| Molecular Formula | C6H6N2O3 |
| Molar Mass | 154.12 g/mol |
| Appearance | Yellow to orange powder |
| Melting Point | 144-146°C |
| Solubility In Water | Moderate |
| Pka Value | Approximately 7.5 (phenolic OH) |
| Cas Number | 119-34-6 |
| Pubchem Cid | 7672 |
| Smiles | c1cc(c(cc1O)N)[N+](=O)[O-] |
| Boiling Point | Decomposes before boiling |
| Density | 1.57 g/cm³ |
As an accredited 2-Amino-4-Nitrophenolate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Amber glass bottle containing 25 grams of 2-Amino-4-Nitrophenolate; sealed, labeled with hazard symbols, and includes safety instructions. |
| Shipping | 2-Amino-4-Nitrophenolate should be shipped in tightly sealed containers, protected from light, moisture, and incompatible substances. It must be packed according to local and international regulations for hazardous chemicals, with appropriate labeling. Ensure proper cushioning and secondary containment to prevent leaks during transit. Temperature control may be required based on specific stability data. |
| Storage | Store 2-Amino-4-Nitrophenolate in a cool, dry, well-ventilated area away from incompatible substances such as acids and oxidizers. Keep the container tightly closed and clearly labeled. Protect from moisture, direct sunlight, and sources of ignition. Use appropriate chemical-resistant containers, and ensure storage areas are equipped with spill containment and proper ventilation to prevent the accumulation of dust and vapors. |
Competitive 2-Amino-4-Nitrophenolate prices that fit your budget—flexible terms and customized quotes for every order.
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Manufacturing 2-Amino-4-Nitrophenolate in our facility year after year has given us a close-up look at both the strengths and quirks of this chemical. Operators on the line recognize its signature deep yellow hue and distinctive aromatic scent the instant it leaves the reactor. Handling this aromatic nitro compound calls for steady hands and equipment built to cope with moderate corrosivity. Over time, we refined our crystallization and drying stages to prevent caking—an issue common to weaker setups.
Our own production model for 2-Amino-4-Nitrophenolate relies on continuous batch control, letting us dial in precise batch sizes ranging from a few kilograms for pilot work up to several tonnes. During filtration, technicians constantly watch particulate content, as even minor changes in feedstock purity show up in final product color and reactivity. Many outside laboratories and fine chemical businesses now reach for our grade for its reliability.
People often compare 2-Amino-4-Nitrophenolate with similar molecules such as 2-Amino-5-nitrophenol or simple aminophenols. The distinction goes beyond a digits change in the name—the nitro group sitting at the 4-position does more than adjust reactivity. It changes solubility, melting point, and the interaction of the molecule with dyes, resins, and intermediates downstream. Our output consistently clocks in with an assay over 98%, measured both spectroscopically and through HPLC, which means a researcher or a plant chemist works with a reliable starting material. Less pure forms, often seen from smaller labs or older installations, introduce inconsistencies that ripple through entire synthesis chains.
In the real world, this consistency comes from hands-on equipment maintenance, operator experience, and making regular upgrades to pressure vessels and separation gear. Batch deviation logs from the early years show more color outliers due to incomplete neutralization or insufficient washing. Over the years, our operators now notice shifts in product appearance immediately, often resolving them before any raw material loss. Having managed every step ourselves—from sourcing raw phenolics to running the neutralization—gives us tight process control not often found in trading houses or third-party packagers.
We see 2-Amino-4-Nitrophenolate most often in specialty dye and pigment synthesis. Every month, tankers head out destined for facilities making azo dyes for textiles and inks. Textile houses look for bright, sharply defined colors and stable intermediates; our customers suggest the trace-metal purity of our product means less interference in downstream oxidative coupling steps. That kind of detail only comes from hearing back about process outcomes and acting on what end users actually see, not just lab-scale speculation.
Beyond color chemistry, formulators explore its use as an intermediate for active pharmaceutical ingredients. One major development group at a pharmaceutical campus reported sharper control over final yield, possibly stemming from lower levels of byproduct amines present in our material. The raw purity level affects not just yield but also isolation at the API stage, making or breaking cost points. That feedback loop led our QC unit to invest in better detection and tighter process documentation, which then found its way into standard batch logs.
A smaller, though persistent, market comes from research institutes and pilot-scale units. These groups prize gram-to-kilogram reliability, since their process optimization needs often change month to month. Getting a package without unknown additives or excess moisture avoids wasted cycles in experimental design—a concern we openly discuss with their purchasing leads.
The official documentation calls out molecular formula and weights, but live operations focus more on characteristics impacting production. Particle size distribution affects handling—grainy, free-flowing material stores well in standard drums, whereas sticky or excessively fine powders lead to bridging and clogged feeders. We route every finished lot through a 50-mesh screen, avoiding fines build-up that could lead to dust exposure on transfer lines. This comes less from regulation and more from our own safety records and the stories told by senior shift leaders.
Moisture is another variable that hits production unpredictably. Materials holding too much water clump, possibly causing hot spots or uneven mixing in client reactors. We adopted a vacuum drying cycle, which puts the moisture content reliably below 0.5%. If levels tick higher, operators run additional cycles and rerun tests until internal specs clear. Years ago, this meant longer downtime; with current controls, the schedule flexes around small adjustments without throwing off full-day output.
While government standards outline allowable impurity levels, our internal thresholds for trace residuals run tighter. Clients running multi-step syntheses see effects stack up—excess sulfate or chloride residues show up later as precipitates or filtration headaches. Old records from European dye plants noted filter plugging traced back to subpar starting material, an issue reported much less once buyers switched to our higher purity grade. Continuous monitoring inside our own reactor trains means we catch any process drift sooner.
Some buyers view chemical suppliers as interchangeable parts, but feedback from repeat industrial customers tells a different story. Big manufacturing plants rely on repeatable batches enabling them to optimize their own processes. Process engineers tell us they make small, data-driven tweaks between runs, provided the feedstock doesn’t introduce new variables. Even a 1% shift in key assay numbers might cost a shift’s worth of product if it creates off-spec color or requires reworking. With our material, anecdotal reports highlight fewer off-spec tanks and more time spent fine-tuning product quality rather than diagnosing problems from raw feed.
In specialty chemical production, even small inconsistencies in input material slow down the entire chain. We've had partners who switched from generic market offerings and saw immediate improvements—either in their downstream yields or reductions in filtration downtime. Our long-term customers often reference reduced downtime and fewer adjustments in their QA logs after the move.
This isn’t only about purity. Having the same particle size and flow characteristics, drum after drum, lets automated handling equipment run with less operator attention. Several ink producers mentioned fewer alarm stops after moving to our standard drum and liner combination—likely a simple fix, but the kind you only figure out after working inside multiple operating environments.
Users sometimes ask why they should look to 2-Amino-4-Nitrophenolate over other, similar nitrophenolate compounds. This comes down to both physical properties and reactivity. Our compound features notably higher solubility in alkaline solutions compared to its 5-nitro cousin, which influences wash efficiency and extraction yield in pigment and pharmaceutical applications. Tuning process pH becomes simpler, letting operators avoid excess waste or unwanted side reactions.
In dye work, the para-nitro group steers coupling selectivity, creating a sharper color distinction in final fabrics or coatings. Large-volume textile plants that switched to this material have cited measurable savings in post-dye washing, as less residual product leaches during finishing. Some early adopters reached out for side-by-side support during the swap, and in those runs, our technical folks were on-site to help tweak cycle times and re-balance process pH.
Physical handling also marks a difference. The bulk density and flow profile on our nitrophenolate powder allows easier automated dosing. Users of 2-Amino-5-Nitrophenol often report bridging in hoppers or unexpected caking, especially after long transit or in regions with humidity swings. By addressing moisture and flow from the processing stage, our unique approach solves this problem before drums ever arrive on a customer loading dock.
One overlooked but critical user group is analytical labs. Analytical managers have told us they switched to our product to avoid contaminants common in generic grades—especially low-level amines that can interfere with detection limits in HPLC or GC-MS assessment. That kind of user pushes us to keep reviewing and tightening our quality checkpoints, not just on a per-order basis but built into each campaign’s production protocol.
Real-world success with 2-Amino-4-Nitrophenolate plays out across a surprising range of industries. In pigments, buyers share that their final dispersions stay brighter and show less color drift over months in storage. Textile plants cut water and reagent use due to the consistent quality, trimming their costs without additional process changes. Pharmaceutical partners, pushing for robust scale-up and regulatory compliance, point to fewer deviations in batch records and solid reproducibility as reasons for continuing the relationship.
Long-standing partnerships, specifically with ink formulators and advanced composites manufacturers, allow us visibility into exactly how our material impacts their efficiency. Routine site visits, sometimes to tackle process bottlenecks, illustrate small but real advantages—shorter filtration cycles, easier pH control, safer transfers, and ultimately lower waste generation.
Laboratories, especially those managing dozens of analytical tests per day, praise product stability as a timesaver. Our material’s lower impurity profile means less cross-interference, lowering retest frequency and making workflow forecasting more precise.
Our core team believes in continuous product and process improvement, shaped by feedback from those who actually use the chemical outside the factory gate. Plant operations use electronic logs to track solvent and energy use per batch, then fold that data into monthly and annual reviews. Over the past decade, energy requirements for processing this compound have dropped by replacing older driers and recuperating heat elsewhere in the plant.
A larger initiative now centers on solvent recovery. By recirculating filtration and wash solvents, the team reduces both cost and waste. Customers increasingly value these sustainability gains, answering our survey questions about carbon footprint and environmental commitments. Not only does this benefit our efficiency, but it enhances the marketability of the final product in consumer-facing sectors like textiles and inkjet manufacturing.
While disposal of spent material still raises compliance concerns, we now ship waste for recovery rather than landfilling. Some local partnerships encourage secondary uses—such as pigment compounders who can recover value from otherwise discarded residue. These efforts stem directly from on-the-ground knowledge of how waste accumulates and hits both cost structures and environmental scores.
Even long experience doesn’t eliminate every challenge, especially where raw material supply chains can run tight or costs fluctuate seasonally. Our sourcing and purchasing team maintains dual suppliers and runs sample and impurity checks on each incoming lot. Early on, a single bad order could have set back operations by days; now, a responsive protocol swings into action whenever specs stray or delivery stalls.
Transport safety for moderate-quantity hazardous powders is another ongoing effort. Over time, we adopted custom-lined, moisture-resistant drums after observing swelling and leaks from standard barrels in humid shipping routes. These containers, developed with real feedback from long-haul drivers and warehouse hands, keep product and workers safer and cut down on spoilage before the product reaches its destination.
Every operator, from shift staff to management, takes regular hazard training. Lessons learned during actual production incidents pass quickly into new process protocols. These aren’t abstract or regulatory-driven steps—the process team recounts near-misses and tweaks transfer lines, procedures, and even drum labeling for improved on-site safety and usability.
Industrial buyers and lab-scale users both offer regular feedback on what works well and what causes issues. This leads to tweaks in drum labeling, batch documentation, and even the way support teams answer technical questions about using 2-Amino-4-Nitrophenolate in complex syntheses. We sit down annually with long-term partners and devote time to learning what could make workflows easier, not just in the plant, but in the lab and distribution hub.
Some years, clients requested larger lot sizes for cost efficiencies in continuous plants—a challenge we handled by converting one line to high-throughput filling. Other years, small research outfits asked for single-kg sealed packs with rapid delivery. Flexibility and direct feedback override rigid batch allocation or stockpiling; real cooperation means listening and adapting quickly.
Educational resources—both documents and in-person training—focus as much on safe handling as on optimal storage and immediate first aid. Buyers sometimes call on our process safety leads to visit their sites, audit storage, and review training gaps. These ongoing relationships boost both short-term efficiency and long-run trust.
Few molecules offer such reliable versatility in specialty chemistry as 2-Amino-4-Nitrophenolate. From first syntheses decades ago to modern plant-scale output, this compound remains a workhorse in color chemistry, intermediates, and specialty reagent manufacturing. Our experience matching process output to end-user needs means decades of in-use successes and prompt course corrections whenever a customer flags new requirements.
Unlike commodities shipped with little context or ongoing interaction, this molecule finds its value in both process reliability and field adaptability. Process teams across multiple industries recognize it as a way to control quality variables, reduce waste, and streamline manufacturing in tightly regulated or cost-sensitive settings. Every batch expresses cumulative knowledge from plant workers, R&D chemists, and industrial engineers—the kind of deep integration only possible with direct manufacturing experience.
Through each stage of refining, packaging, and technical support, we build on lessons learned not just in our own halls but from global partners seeking greater efficiency and fewer surprises in their supply chain. The story of 2-Amino-4-Nitrophenolate continues to evolve—one drum, one project, one process refinement at a time.