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6-Nitro-2-Benzothiazolinone

    • Product Name 6-Nitro-2-Benzothiazolinone
    • Alias NBT
    • Einecs 240-827-1
    • 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
    VTB
    Specifications

    HS Code

    482087

    Chemical Name 6-Nitro-2-benzothiazolinone
    Molecular Formula C7H4N2O3S
    Molecular Weight 196.19 g/mol
    Cas Number 4169-04-4
    Appearance Yellow to orange powder
    Melting Point 225-228°C
    Solubility Soluble in DMSO, slightly soluble in water
    Boiling Point Decomposes before boiling
    Storage Temperature Store at 2-8°C
    Purity ≥98%
    Synonyms 6-Nitrobenzothiazolin-2-one
    Smiles O=C1NC2=CC=CC(=C2S1)[N+](=O)[O-]
    Ec Number 224-060-5

    As an accredited 6-Nitro-2-Benzothiazolinone factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 6-Nitro-2-Benzothiazolinone is supplied in a 5g amber glass bottle with secure screw-cap, labeled with hazard warnings and product details.
    Shipping 6-Nitro-2-Benzothiazolinone should be shipped in tightly sealed containers, away from light, moisture, and incompatible substances. It must be handled according to appropriate chemical hazard regulations, typically classified as a hazardous material. Shipping should comply with local, national, and international regulations, with correct labeling and accompanying safety documentation (SDS).
    Storage 6-Nitro-2-Benzothiazolinone should be stored in a tightly sealed container, away from direct sunlight, heat, and moisture. Keep it in a cool, dry, and well-ventilated area, separated from incompatible substances such as strong oxidizers or reducing agents. Use appropriate chemical storage cabinets, and ensure the chemical is clearly labeled to prevent accidental exposure or misuse.
    Application of 6-Nitro-2-Benzothiazolinone

    Applications of 6-Nitro-2-Benzothiazolinone in Industrial Manufacturing

    6-Nitro-2-Benzothiazolinone is a high-purity chemical intermediate produced under strict quality control, supporting advanced applications across select specialty industries. Our manufacturing capabilities meet consistently rising demands for traceability, process efficiency, and compliance, delivering tailored input for downstream sectors with rigorous technical and regulatory needs. Below, we outline distinct application scenarios where this compound plays an irreplaceable role, detailing standards, formulation guidelines, processing stages, and the types of finished goods resulting from its use.

    1. Chromogenic Substrates for Clinical Diagnostics

    In in-vitro diagnostic kit production, manufacturers use this compound as a key chromogenic substrate for enzyme immunoassays, particularly peroxidase and alkaline phosphatase detection systems. Selection depends on colorimetric clarity, substrate stability, and compatibility with automated microplate systems for high-throughput screening. The strict industry focus is to supply reagents meeting precise kinetic and sensitivity benchmarks for routine and specialized clinical analyzers.

    Industry compliance standards

    • ISO 13485-certified quality management for medical devices
    • CLSI (Clinical and Laboratory Standards Institute) guideline EP17-A2
    • National Pharmacopoeias (USP, EP) for reagent purity as applicable
    • European IVD Regulation (EU 2017/746) and US FDA 21 CFR Part 820

    Typical usage ratio

    • 0.05–0.5 mg/mL in working substrate solution, depending on required signal intensity and detection limits in ELISA protocols

    Downstream process integration

    • Incorporated during the final liquid or lyophilized substrate reagent blending and QC validation; added post-buffer preparation, just prior to sterile filtration and bottling

    Final product types

    • Enzyme immunoassay kits (ELISA, CLIA)
    • Clinical chemistry analyzer substrates
    • Rapid diagnostic test (RDT) reagents
    • Colorimetric detection solutions for laboratory automation

    2. Photographic and Imaging Chemicals Manufacturing

    This compound is used in the fine chemicals sector for synthesis of color development agents in photographic processing. It contributes to the formation of stable color images during film and print development, with downstream users requiring batch consistency, controlled particle size, and absence of interfering ions for high-fidelity imaging systems. Compatibility with legacy and digital hybrid processes is essential for specialty film manufacturers and photographic paper suppliers.

    Industry compliance standards

    • ANSI/NAPM IT standards for photographic chemicals
    • ISO 18902:2013 for imaging material processing chemicals
    • Proprietary OEM specifications for emulsion grade chemicals (e.g., Kodak, Fujifilm)
    • Quality system certifications: ISO 9001 for fine chemical production

    Typical usage ratio

    • 0.3–1.2% w/w as a developing agent precursor, optimized by batch for desired tone and granularity based on image process type (color negative, reversal, or print)

    Downstream process integration

    • Added during developer synthesis or color coupler formulation, immediately prior to dilution and packaging for lab or minilab environments

    Final product types

    • Photographic film and paper development kits
    • Color developing chemical concentrates
    • Reversal process solution packs
    • Industrial imaging processing reagents

    3. Dye and Pigment Intermediate in Specialty Colorants

    Producers of specialty organic colorants rely on this compound as a core intermediate during the synthesis of benzothiazole-derived pigments and dyes. Applications target technical textiles, leather finishing, and plastics requiring high colorfastness and resistance to solvents and UV radiation. Material selection focuses on purity, low trace metals, and predictable reaction yields under varied process conditions.

    Industry compliance standards

    • REACH Annex XVII (Europe) and TSCA (USA) regulations on dye substances
    • Oeko-Tex Standard 100 for restricted chemical residues in finished textiles
    • GMP for pigment intermediates (specialty colorants sector)
    • ISO 9001 with pigment product focus

    Typical usage ratio

    • 5–12% based on total mass in azo or benzothiazole dye syntheses; levels depend on coupling partner concentration, product hue, and depth required for the final pigment dispersion

    Downstream process integration

    • Dosed at nitration or diazotization step in pigment/dye synthesis, followed by downstream isolation, milling, and blending for end-use dispersions

    Final product types

    • High-stability specialty dyes for technical fibers
    • Organic pigment dispersions for plastics and coatings
    • Colorant intermediates for automotive textiles
    • Performance additives for printing inks

    4. Electrochemical Sensor Manufacturing

    Manufacturers utilize 6-Nitro-2-Benzothiazolinone as a redox mediator or surface modifier component in the fabrication of disposable biosensors and electrochemical detection devices. Its function is essential for enhancing electron transfer between analytes and sensing electrodes, with downstream quality systems focused on batch reproducibility and interference minimization for clinical or environmental monitoring platforms.

    Industry compliance standards

    • ISO 13485 for medical biosensor production
    • ISO 15197 for blood glucose monitoring systems
    • ISO 9001 with device traceability emphasis
    • IEC 60601-1 for safety of electrical measuring devices

    Typical usage ratio

    • Typically 0.02–0.12 mg/cm2 on electrode surface; exact levels determined during sensor prototype optimization for signal/noise and selectivity targets

    Downstream process integration

    • Applied by inkjet or screen printing onto working electrode during sensor manufacturing; integrated during functional layer formulation in production lines

    Final product types

    • Disposable blood glucose sensors
    • Electrochemical strips for point-of-care testing
    • In-field water quality/electrochemical detection kits
    • Clinical diagnostic biosensor cartridges

    5. Organic Synthesis Intermediate for Pharmaceutical Research

    Research-based pharmaceutical laboratories and CDMOs employ this compound in the development of benzothiazole-based bioactive molecules. It serves as a nitroaromatic scaffold in lead optimization workflows for enzyme inhibitor or CNS-active drug classes. Process reliability, lot-to-lot identity, and trace impurity profiles are critical for labs scaling from milligram discovery synthesis to kilo-lab validation.

    Industry compliance standards

    • Ph. Eur./USP reference substance guidelines (for non-GMP research)
    • IPEC-PQG GMP for pharmaceutical excipient intermediates
    • ICH Q7 guideline for API starting material traceability
    • ISO 9001 with R&D and pharma focus

    Typical usage ratio

    • Used as a starting/nitroaromatic block at 1–3 equivalents depending on target structure, with exact amounts set by stoichiometric needs during medicinal chemistry route optimization

    Downstream process integration

    • Charged at initial or mid-stage condensation step for scaffold construction; follows through reaction workup, purification, and bioactivity screening phases

    Final product types

    • Small-molecule research compounds
    • Benzothiazole-based screening libraries
    • Pharma intermediate supply samples
    • Structure-activity relationship toolkits for CNS or kinase inhibitor projects
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    Certification & Compliance
    More Introduction

    6-Nitro-2-Benzothiazolinone: Reliable Chemistry from the Source

    Understanding 6-Nitro-2-Benzothiazolinone

    Among the benzothiazolinone derivatives, 6-Nitro-2-Benzothiazolinone stands out as a crucial intermediate with strong utility across specialty chemical, pharmaceutical, and pigment production. In years spent developing and optimizing benzothiazolinone synthesis, our team has put emphasis on building a reliable, high-purity product that meets the needs of formulators, researchers, and production chemists. Rather than taking shortcuts or repurposing downstream products, every batch at our facility starts with disciplined raw material selection and careful process control. The result is a compound that supports consistent, predictable outcomes downstream.

    Our Model and Specifications: Designed by Chemists, for Chemists

    The 6-Nitro-2-Benzothiazolinone emerging from our production lines comes with clear, rigorously measured specifications. We set purity benchmarks above typical market standards, based on direct customer input and our experience troubleshooting issues at the compounding and application stages. Key physical details—melting point, moisture content, and particle size—are monitored tightly, because small changes here can affect yield and product performance for the end user. Analysis by HPLC, NMR, and spectrophotometry form the backbone of our routine inspection, and our teams regularly review process analytics to spot sources of variability before they reach scale.

    Unlike others offering blends or diluted intermediates, we focus on consistently producing the monomeric, crystalline form of 6-Nitro-2-Benzothiazolinone. We have resisted tempting offers to relax purity standards to squeeze out more product volume, after seeing how slight deviations can introduce unpredictable coloration or reactivity for our partners. Our lot numbers trace back to every input and every process parameter, which supports batch reproducibility and troubleshooting, not just meeting a minimum spec sheet.

    Usage: Fine Chemistry Built for Production and Innovation

    Most of what we make goes into applications where quality failures create backlog, cost overruns, and regulatory headaches. In pigment synthesis, this compound enables chromophore construction without the dullness, streaking, or off-target hues that lower grade intermediates often cause. Several longstanding clients have shared stories where switching to our material stabilized both shade yield and downstream filtration, cutting scrap rates in half.

    Researchers in drug discovery depend on 6-Nitro-2-Benzothiazolinone as a versatile scaffold. Because our manufacturing process brings down the bioburden and eliminates insoluble particulates, bioassay results reflect true structure-activity relationships rather than sample impurities. We also keep a close watch for residual byproducts from the nitration step—one of the more challenging parts of synthesis—since even trace contaminants at this stage can skew toxicology or pharmacology data. Every gram we ship has been tested for these microcompounds, and if a batch does not meet our strict standards, it never leaves the plant.

    Outside pigment and pharma, this product sees regular use in analytical chemistry, detection reagent manufacturing, and custom specialty formulations. Academics have used our material to build reproducible protocols for analytical instrumentation, while large-scale production groups appreciate the reduced handling risks tied to our dust-minimizing processing. We custom-grind for businesses who value a controlled flow rate and less airborne particulate, especially in enclosed, automated transfer systems.

    What Sets Our 6-Nitro-2-Benzothiazolinone Apart

    Experience in manufacturing specialty intermediates brings a certain perspective on what really matters—ease of use, low risk of contamination, and reliability at scale. Our 6-Nitro-2-Benzothiazolinone does not sidestep these requirements. We have invested in equipment upgrades specifically to reduce metallic and organic cross-contamination. Unlike facilities that re-use reaction vessels for a host of different materials or tolerate brief downtime between runs, our processes include exhaustive cleaning regimens and a deliberate scheduling of product lines. The result is a single-product dedication from start to finish.

    Returns and complaints offer another lens on quality. Over a decade of shipments, less than a tenth of a percent of volume has resulted in quality-related returns, and most were traced not to the intermediate itself, but to mishandling further along the supply chain. Where possible, we investigate at the user’s site, not only to verify our own process but to help clients avoid expensive and time-consuming repeat work.

    Storage matters just as much. Our packaging avoids potential solvent interactions that can affect stability. Plastics or rubbers that might leach given time are tested in-house for compatibility. This kind of material stewardship is not visible in a spreadsheet, but it shows when a shipment reaches a customer intact, ready to integrate into their process, without surprises.

    Process Control and Safety Considerations

    Consistent production of 6-Nitro-2-Benzothiazolinone requires diligence to prevent thermal runaways, side-product formation, and dilution of active content. Long before automation and digital controls became universal, our senior technicians kept handwritten logs, cross-checking temperatures, acidity, and feed rates at each batch. Even now, operators review every data trend before releasing new stock, combining digital oversight with boots-on-the-ground experience. Unusual readings are never dismissed with a shrug—our teams retrace steps, isolate, and, if needed, discard anomalies rather than risk disruption to a client’s process.

    Some competitors make compromises in purification to boost throughput, pushing out batches with higher levels of unreacted starting material or incomplete nitration products. We have learned, through trial and error, that these shortcuts quickly backfire—reduced product stability, fouled downstream reactions, and costly plant shutdowns. Foregoing novelty, we stick with standard purification techniques proven to remove even minor fractions of colored byproducts, ensuring a clean, nearly colorless intermediate each time.

    Impact on End Users: What Chemists Tell Us

    Direct feedback has shaped both our methods and product portfolio. Pigment manufacturers frequently mention challenges tied to precursor purity: unwelcome hues, difficult filtration steps, and expensive pigment waste. After incorporating our 6-Nitro-2-Benzothiazolinone, these manufacturers saw changes not only in product yield but in reproducibility as well. For research labs running iterative synthesis or developing candidate molecules, the greatest benefit often comes down to avoiding wasted cycles chasing unexplained outliers that stem from impure building blocks.

    Operational safety is a frequent talking point as well. Several large producers noted difficulties with static build-up and inhalation hazards tied to poorly handled powders. Our anti-static packaging and targeted granulation address these risks directly, which has measurably improved plant safety records and reduced insurance claims related to fine powder exposure. By actively seeking and acting upon this type of feedback, we extend product quality beyond chemistry alone, fostering genuine partnerships and long-term trust.

    Comparing with Other Benzothiazolinone Products

    Benzothiazolinone derivatives come in a variety of substitution patterns and purities, each with their place in the chemical market. Across our range, 6-Nitro-2-Benzothiazolinone occupies a unique spot because of the electron-withdrawing effect introduced by the nitro group at the six position. This tweak brings out certain reactivity advantages that straight 2-Benzothiazolinone or other positional isomers do not deliver. Clients working on oxidative coupling or needing precise chromophore control find this version helps them reach specific shades and molecular targets that would be otherwise out of reach.

    Markets filled with reseller and trading intermediates often blur the lines on quality. Traders press for product, focusing their questions more on price and less on process integrity or long-term reliability. As a producer, we have seen firsthand the problems that stem from such focus: batches with variable purity, inconsistent hydrate levels, and mismatch between labeling and real composition. This disconnect sometimes results in plant shutdowns, compliance headaches, and lost market share. Our direct manufacturing approach, with in-house analytical confirmation and robust batch history, eliminates the guesswork and delivers real value with each shipment.

    Process Improvements: Real-World Challenges and Solutions

    Like most manufacturers, we did not get the process right the very first time. Early batches showed minor fluctuations in particle size and occasional off-white discoloration traced to incomplete washing. Customer feedback served as the strongest prompt for redoubling quality checks and re-examining purification steps. We overhauled our crystallization protocol, adjusted drying conditions, and adopted new grinding technology to manage both dust and particle distribution. The outcome—a cleaner, finer, and more user-friendly product—emerged from this cycle of learning and adaptation.

    Consistent product appearance matters. Irregular size or color raises questions about process control, and clients relay these issues to leadership, slowing down decision making. After tightening our operations, those reports dropped dramatically, freeing our partners to focus on formulation challenges rather than troubleshooting material itself.

    Sustainability and Environmental Responsibility

    Waste and emissions are no small concern in niche chemical manufacturing. Our facility runs solvent recovery units and water purification systems designed to minimize environmental impact and avoid local ecosystem contamination. Waste streams get monitored for hazardous byproducts specific to nitroaromatic intermediates. This includes regular third-party audits—occasionally turning up areas for further improvement, always leading to practical changes rather than just paper compliance.

    Raw material sourcing follows a similarly cautious path. Our nitro and benzothiazolinone precursors come solely from vetted manufacturers with proven track records on both ethical and environmental fronts. By demanding these standards upstream, we pass along responsibility as much as product, supporting sustainable progress in the industry as a whole.

    Challenges With Regulations, Compliance, and Global Supply Chain

    Growing scrutiny on hazardous intermediates has led to shifting regulations, trade restrictions, and heightened documentation requirements. Our compliance teams have pre-empted many delays by tracking upcoming changes and consulting local authorities about new processes. Chemicals classified under nitro or aromatic hazard codes can face extended customs times if paperwork is incomplete or inaccurate. To avoid such hang-ups, every batch ships with a complete testing dossier, thorough customs declarations, and language translations fit for the receiving country’s authorities.

    We have invested in digital inventory management to keep lead times steady, even as global demand for certain applications spikes or dips unpredictably. This system signals us early when stocks run low or schedules slip, helping clients avoid the pain of last-minute shortages. Rather than betting on demand from a distance, we work closely with long-term clients to forecast batch volumes and buildup in anticipation of annual or semi-annual surges—especially during the high seasons of pigment and specialty pharmaceutical campaigns.

    Building the Future: Innovation and Collaborative Growth

    Breakthroughs often begin at the intersection of specialist knowledge and attentive listening. We have seen new uses for 6-Nitro-2-Benzothiazolinone emerge through direct client trials—methods no single chemical company could have dreamed up in isolation. Recent joint projects have combined our intermediate with advanced coupling agents, enzymes, and polymeric carriers, opening proprietary avenues for functional materials and smart coatings. With every new challenge, our technical teams bring back lessons and, sometimes, small process upgrades that multiply benefits for the wider customer community.

    We directly support R&D partners by maintaining a flexible, experimental production line. Pilot batches, uncommon purification protocols, and exploratory particle sizes have all come from collaborative requests. Where others draw hard lines at “standard products only”, our real-world expertise lets us meet demands without long delays or high minimums. This flexibility builds loyalty and—just as importantly—allows us to stay ahead of shifting industry needs.

    Listening, Learning, and Adapting—The Manufacturer’s Path

    Market pressures, regulatory changes, and technology innovation all play their part in how specialty intermediates evolve. Rather than simply reacting, we engage actively with customers, regulators, and our own engineers to seek better ways of making and delivering 6-Nitro-2-Benzothiazolinone. Problems reported in the field drive practical, real-world changes at the plant. Analytical improvements stem from users chasing ever-tighter margins of error. The manufacturing process, never static, shifts and adapts based on these lived experiences and honest feedback.

    Quality, safety, and reliability remain the focus, not abstract goals for marketing but measurable features recognized in daily operation. We are proud to see our 6-Nitro-2-Benzothiazolinone serve those building tomorrow’s pharmaceuticals, pigments, and specialty products—to solve their problems is to move the industry forward one batch at a time.