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2-Hydroxyethyl 4-Nitrophenyl Sulfide

    • Product Name 2-Hydroxyethyl 4-Nitrophenyl Sulfide
    • Alias HNPS
    • Einecs 401-050-0
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
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    Specifications

    HS Code

    300573

    Product Name 2-Hydroxyethyl 4-Nitrophenyl Sulfide
    Cas Number 40846-94-4
    Molecular Formula C8H9NO3S
    Molecular Weight 199.23 g/mol
    Appearance Yellow to orange crystalline powder
    Melting Point 78-82°C
    Solubility Soluble in organic solvents such as DMSO and ethanol
    Purity Typically ≥98%
    Storage Conditions Store at 2-8°C, protected from light and moisture

    As an accredited 2-Hydroxyethyl 4-Nitrophenyl Sulfide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle with secure cap, labeled "2-Hydroxyethyl 4-Nitrophenyl Sulfide, 25g," including hazard symbols and supplier details.
    Shipping 2-Hydroxyethyl 4-Nitrophenyl Sulfide is shipped in tightly sealed containers, protected from heat, moisture, and direct sunlight. It should be labeled and handled according to applicable regulations for hazardous materials. During transport, ensure upright positioning and cushioning to prevent leakage or breakage, and comply with all relevant shipping and handling guidelines.
    Storage 2-Hydroxyethyl 4-Nitrophenyl Sulfide should be stored in a cool, dry, and well-ventilated area, away from sources of ignition, moisture, and incompatible substances such as strong oxidizing agents. Keep the container tightly closed and properly labeled. Store at room temperature and protect from light. Follow all standard safety protocols for handling chemicals, including use of appropriate personal protective equipment.
    Application of 2-Hydroxyethyl 4-Nitrophenyl Sulfide

    Applications of 2-Hydroxyethyl 4-Nitrophenyl Sulfide in Industrial Manufacturing

    2-Hydroxyethyl 4-Nitrophenyl Sulfide is a process additive and intermediate with niche functionality in organic synthesis. As a manufacturer, we focus on practical field applications and verified downstream integrations with this molecule. Below we document established industrial usage scenarios, with reference to formulation, regulatory standards, and the most common end products obtained by our customers.

    1. Specialty Polymer Chain Transfer Agent in Engineering Plastics

    In advanced copolymer manufacturing, this compound acts as a chain transfer agent for tuning molecular weight and branching structure, especially in polysulfide and modified phenolic resins. Industrial users employ it to precisely control mechanical properties and processability of polymers used in automotive and electronics component housings. The additive performs effectively under controlled batch or continuous bulk polymerization conditions where strict molecular weight specifications must be achieved batch-to-batch.

    Industry compliance standards

    • ISO 9001:2015 Quality Management System
    • IEC 60216 Thermal Endurance (polymer parts)
    • RoHS Directive 2011/65/EU (electronics applications)

    Typical usage ratio

    • Applied at 0.05–0.5 wt% relative to monomer content, adjusted based on target molecular weight and end-use mechanical specification

    Downstream process integration

    • Introduced during initial monomer blending stage, prior to initiator addition; integration can be continuous or batch-fed, dependent on reactor design

    Final product types

    • High-performance polysulfide sealing compounds
    • Electrical encapsulant resins
    • Precision-molded polymer housing for automotive and electronic components

    2. Synthesis Intermediate for Active Pharmaceutical Ingredient (API) Sulfur Inserts

    The molecule provides a critical intermediate in multistep pharmaceutical manufacturing where sulfur must be introduced into aromatic scaffolds, particularly in custom API synthesis for targeted drug classes such as certain kinase inhibitors and antibacterial agents. Formulators choose it to ensure selective substitution during palladium-catalyzed or copper-catalyzed cross-coupling reactions, supporting high conversion rates and reduced byproduct formation for demanding pharma-grade standards.

    Industry compliance standards

    • cGMP (Current Good Manufacturing Practice, ICH Q7)
    • Ph. Eur., USP, JP (as applicable to final drug product registration)
    • EDQM & US FDA guidance for raw material traceability

    Typical usage ratio

    • Stoichiometric to the aromatic core requiring sulfur incorporation, typically 1.0–1.2 equivalents depending on route efficiency and yield optimization

    Downstream process integration

    • Used after initial scaffold assembly, introduced during the sulfur insertion or aryl–sulfide formation step, often in DMF or DMSO solvent under inert atmosphere

    Final product types

    • API intermediates containing aryl sulfide linkages
    • Specialty pharmaceuticals where sulfur enhances pharmacological activity

    3. UV-Absorber Precursor for Optical Polymer Additives

    Industrial formulators employ this material as a precursor in the synthesis of UV-absorbing functional groups grafted onto methacrylate and acrylate monomers for optical polymers. Its electron-rich and nitro-aromatic structure enables further elaboration into benzothiazole and phenylsulfide-based chromophores, incorporated during the color stabilization and UV-blocking additive production stages. These downstream additives provide critical protection against UV degradation in polymers used for lenses, screens, and protective covers.

    Industry compliance standards

    • REACH (EC 1907/2006) Annex XVII (chemical safety in plastics)
    • ISO 9050:2003 (solar UV transmittance for glazing materials)
    • ASTM G154 (UV stability testing of plastics)

    Typical usage ratio

    • Precursor forms 1–5% of total additive input; final UV-absorber addition to polymer is generally 0.1–0.5 wt%, depending on intended protection level

    Downstream process integration

    • Converted via condensation and nucleophilic substitution into active chromophore, then incorporated during masterbatch or monomer compounding for polymer production

    Final product types

    • Acrylic and polycarbonate UV-stabilized sheets
    • Optical-grade film and lens materials
    • Protective coatings for light-sensitive electronics

    4. Analytical Substrate Production for Enzyme Assay Kits

    Diagnostic assay reagent manufacturers utilize this compound as an analytical substrate or chromogenic derivatization intermediate. Its nitrophenyl moiety enables sensitive colorimetric readouts in enzymatic activity assays, where downstream modification leads to substrates that generate quantifiable yellow or orange products upon enzymatic cleavage. This application demands precise synthesis routes to preserve purity and batch consistency for critical healthcare and biochemical QC testing.

    Industry compliance standards

    • ISO 13485:2016 (Medical device quality systems)
    • EN 13640 (IVD reagent stability and shelf life)
    • FDA 21 CFR 820 (Quality system regulation for in vitro diagnostic reagents)

    Typical usage ratio

    • Integrated at 0.2–1.5 mmol per test kit production batch, ratio depends on target assay sensitivity and substrate turnover characteristics

    Downstream process integration

    • Modified during substrate synthesis, followed by lyophilization or incorporation into substrate tablets for final kit assembly

    Final product types

    • Ready-to-use chromogenic substrate tablets for beta-galactosidase assays
    • Colorimetric enzyme activity assay reagents
    • Diagnostic evaluation kits used in clinical laboratories
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    Certification & Compliance
    More Introduction

    2-Hydroxyethyl 4-Nitrophenyl Sulfide: Precision Craft from a Chemical Manufacturer

    Deep Roots in Specialty Chemistry

    Working in specialty organosulfur chemistry means every step counts. Over years of process trial and relentless refinement, we've leveraged our access right at the source—raw materials, mastery of purification, and direct control over structure. 2-Hydroxyethyl 4-Nitrophenyl Sulfide is a compound that puts all those skills to the test. As a manufacturer, we know firsthand the importance of structural accuracy. Analytical techniques, from NMR to HPLC, show exactly what’s in every batch, because trace byproducts undermine both research and production. We see the downstream impact: a research group frustrated when a purchased standard shows inconsistencies; a downstream polymer batch that veers off course because unidentified bodies interfere at just a few parts per million. By owning our process chemistry, we make sure the batch-to-batch reproducibility stays tight and deviations get caught before they leave the plant.

    Why 2-Hydroxyethyl 4-Nitrophenyl Sulfide Matters

    Ask anyone working in the world of fine synthesis, and you’ll hear it: precision matters. 2-Hydroxyethyl 4-Nitrophenyl Sulfide brings a unique combination—its reactive hydroxyethyl group and electron-rich phenyl sulfide backbone. The nitro group pushes reactivity even further, opening new routes in organic frameworks. Research chemists choose this molecule for its fine balance of solubility and nucleophilicity, often in heterocycle construction, dye intermediates, or as a building block for advanced materials. Among all the reagents on our line, it consistently goes to customers whose work depends on fine-tuned outcomes. There’s no mystery to it: controlling side reactions during the synthesis leads directly to fewer “surprises” during application, especially when the next step involves delicate coupling or catalyst work.

    Our Perspective as Producers

    We don’t buy intermediates and repackage. Our synthesis starts with the raw aromatics—carefully sourced for purity and trace metal control. We manage every step in-house: nitration, controlled thiolation, and careful hydroxyethyl introduction. For years we’ve dealt with the practical details: lab-scale insights that must scale up without introducing polymeric sulfur, colored impurities, or off-odors. We watch for the smallest tweaks—a stirrer speed, timing on the hydroxyethyl transfer—to ensure the product really does what the downstream chemist expects. When a lot hits the analyzer, we want the same sharp LC-MS trace our R&D saw a year earlier, even when serving industrial-scale needs. Consistency, to us, isn’t just a word—it’s the outcome earned from a plant that runs on real feedback, not wishful thinking.

    Specifications Direct from the Floor

    Chemists ask for clarity. We go straight to the real numbers: we’ll routinely hit assay figures above 99 percent, color less than 15 APHA, and moisture content below 0.2 percent. The crystalline solid comes free-flowing—no sticky lumps or caking even after months in a drum. Particle size isn’t a footnote; we break up agglomerates so that the compound disperses swiftly in both small and large reactors. Dealing directly with formulations, we know how to avoid the traps: residual acid can corrode vessels; unseen nitrophenol spots can foul downstream yields. Every employee here sees quality control not as a hurdle, but as a proof point that connections between manufacturing and end-use stay intact.

    Applications from Our Experience

    Unlike a trader, we see where our product goes. Research partnerships and customer stories land right back at the production desk here. In dye synthesis, our 2-Hydroxyethyl 4-Nitrophenyl Sulfide often serves as a color intermediate, favored for its stability in oxidative conditions and the punch the nitro group gives to chromophore formation. Polymers and resins, particularly those seeking specific refractive or conductive properties, turn to this compound for its ability to insert functional handle points via the hydroxyethyl position. Pharmaceutical labs have, over time, built entire routes around the selective reactivity pairing of sulfur and hydroxyethyl, especially when pursuing bioisostere analogs in lead discovery or linker design.

    Perhaps the most frequent feedback we hear comes from researchers who want dependable reactivity. They report that our material consistently shows the same spectra and melting behavior, with little to no batch variation. That sort of precision, they’ve told us, allows direct comparison between experiments, speeding up project cycles and reducing do-overs. In our own plant, we have learned firsthand: minor contamination wastes effort, raw time, and opportunity in modern synthesis.

    What Makes Ours Different

    We recognize the global market has plenty of listings for compounds just like ours. Our difference rests on authentic vertical integration: we don’t sub-contract unit operations, outsource purifications, or mask specification slippage with word games. Years before the shipment, our scale-up chemists select pathways specifically because they close the book on foreseeable impurities—like dinitro byproducts, hydroxyethyl oxidation remnants, or unreacted aryl thiols. Many labs tell us stories about “equivalent” materials clogging lines with microcontaminants. It happens less often with our product because we treat every process hazard as a practical challenge, not a niche exception.

    We maintain a feedback loop with the same end-users who trust our batches. Feedback results in changes. For instance, when a customer noticed background coloration in their optical polymer lines, our team flagged an upstream issue in solvent recovery. The change stuck. QC samples from every drum since then now meet an even tighter color standard.

    Community knowledge also shapes our ongoing improvements. Our engineers swap technical details with the research divisions using our material for new electronics. Certain impurities, even at undetectable levels, cause conductivity drift in some devices—a problem traced to a hint of organosulfide rearrangement products in legacy manufacturing. Sharing data both ways, we shifted catalyst regimes and cleaned up the static profiles. At that level of detail, “close enough” simply doesn’t cut it. Real utility means real reproducibility.

    Safe Handling, because We Know the Hazards

    Plant staff never underestimate the risks in making, packaging, and shipping organosulfur compounds. 2-Hydroxyethyl 4-Nitrophenyl Sulfide calls for care: protective controls against vapors in large-scale transfer, containment for spills, explicit traceability for every lot. Long hours in the plant reveal what paper protocols overlook—the subtle signals of a reaction drifting too far, the faint odor of decomposing nitroaromatics, the tiny yellow stain on a valve after a transfer. We act immediately. Years of experience mean training new employees on the practical hazards and overseeing virtually every shipment that leaves the site. No batch goes unsupervised. Drums and containers seal tight, with multiples of protective liners and tamper-evident closures.

    Building a Reliable Link with Technical Teams

    Being a manufacturer shapes our relationships with technical buyers and project leads. We offer not just a stock, but a direct line to the people designing and implementing these syntheses. Project timelines live or die by the reliability of key intermediates. Late shipments, quality excursions, unexpected properties—all of these fall directly onto us, not a middleman. That accountability drives us to keep better batch data, run stability tests in-house, and schedule maintenance on critical reactors before problems arise.

    We participate in technical reviews with our customer teams. Application chemists often want real answers about minor impurities: what they are, what they do, how tightly we control them. Because we run the reactors and operate the analytical labs, we can draw from production records, show spectra, and even match performance from archived samples. Having conversations with formulation scientists or process scale chemists grounds our work. Sometimes, a project stays stalled because a microgram impurity keeps fouling an HPLC peak. On more than one occasion, we’ve deployed plant scientists to troubleshoot customer lines, digging deep into process hazards and offering practical tweaks on how best to introduce or remove the material.

    Years of these partnerships convince us: trust depends on transparency, agility, and genuine expertise rooted in actual manufacturing—not just paperwork or logistics.

    Navigating Challenges

    We face problems that online catalogs never list. A worldwide shortage of a feedstock benzene derivative throws schedules out, but the plant adapts: running alternate suppliers through extra QC and isolating suspect lots. We spot reactor fouling in the sulfidation step and discover that nitrate carryover is leading to side-chain fission. Our operators strip repeat batches and rework the process, feeding the lessons back into operator training. Process chemistry, as practiced on the floor, requires resilience—markets fluctuate, solvent rules change, equipment ages and wears.

    Sustainability looms as both a technical and ethical reality. Safely managing byproducts, recycling solvents, and reducing energy intensity have become wrestles that only a manufacturer truly confronts. Every modification to the synthesis—changing a filtration aid, swapping to a less-volatile carrier—must balance costs, quality, and ecological footprint. We trial, measure, and, where practical, report on the incremental environmental benefits in open dialogue with both customers and regulators. This approach aligns our plant performance not with a marketing line but with facts and measured progress.

    Supporting Innovation with Real-World Feedback

    The scientific world never stands still, and we see direct evidence in the requests for next-generation derivatives, purer lots, or new forms—be it fine crystals, tailored particle size, or alternate solvent-wetted cakes. Our process engineers work side-by-side with research partners to test variants directly off the manufacturing line. Sometimes, this means rerunning purification to meet new LC-GC-MS screens; sometimes, it means rethinking heat exchange or residence time to support an unusual downstream transformation.

    Upgraded detection methods sometimes reveal a trace impurity that classic assays might miss. We invite these findings, using them to refine our own quality analytics and drive the plant to higher performance. Collaborative work with academic groups, advanced tech firms, and big industrial customers all come down to adapting our manufacturing, not issuing press releases with generic claims. For every new technical requirement—think electroluminescence, specialty energy storage, pharmaceutical conjugation—our plant must adapt, without cutting corners or losing the reliability our customers count on.

    Continuous Improvement from the Manufacturing Perspective

    We believe true progress lies in honest appraisal of both strengths and “pain points.” We regularly walk down the plant to find places where raw yield leaks out, where loss-in-drying can be improved, or where process steps seem too tedious for staff. These stories become the basis for changes: revised SOPs, upgraded monitoring for nitro impurities, or sharper, real-time analytics feeding back into line control. Success takes more than technology—it takes a workforce trained to spot problems before a batch veers out of specification. It’s not just official inspection—it’s hundreds of daily moments where real experience stops small mistakes before they become big ones.

    Customer Value, Built from the Plant Up

    Buyers and researchers want more than paperwork. They seek assurance: if a novel route fails, was it the chemistry or something off in the starting material? As a direct producer, we respond with transparency—sharing full analytic records, discussing possible process interferences, and even retesting historical lots to validate new methods if needed. For high-stakes projects, we can support with historic production records, archived split samples, or access to process engineers to help connect lab-scale phenomena with plant operations.

    That level of partnership can’t be replicated through wholesale channels or by traders. Our pride comes from seeing finished products—high-value polymers, new molecular probes, experimental resins—advance more smoothly because the key chimera of sulfur, nitrophenyl, and hydroxyethyl came from a plant that knows their chemistry, and stands behind it.

    Clarity Enables Progress

    Technical buyers know that words can’t replace years of accumulated muscle memory on a production line. The real story behind 2-Hydroxyethyl 4-Nitrophenyl Sulfide isn’t just a string of numbers on a spec sheet, but the practical know-how, lived lessons, and feedback-driven refinements we bring as true manufacturers.

    We’re committed to working directly with customers—lab leaders, project chemists, scale-up managers—who need more than off-the-shelf molecules or generic paperwork. Value, safety, and innovation aren’t abstract goals here; they’re the sum of thousands of decisions, small and large, made each day on the plant floor.

    Every drum, every shipment, every application starts with a promise we stake our names on: what leaves our plant reflects hard-earned skill and the direct drive to support modern science and industry. For us, this is personal work, and we measure its value in the real advances made possible by authentic, reliable specialties like 2-Hydroxyethyl 4-Nitrophenyl Sulfide.