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2,5-Dimethoxybenzenesulfonamide

    • Product Name 2,5-Dimethoxybenzenesulfonamide
    • Alias 2,5-Dimethoxybenzenesulfonic acid amide
    • Einecs 226-899-8
    • 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

    975940

    Chemical Name 2,5-Dimethoxybenzenesulfonamide
    Molecular Formula C8H11NO4S
    Molecular Weight 217.24 g/mol
    Cas Number 4396-86-5
    Appearance White to off-white solid
    Melting Point 150-154 °C
    Solubility Slightly soluble in water, soluble in organic solvents such as ethanol
    Purity Typically ≥98%
    Boiling Point Decomposes before boiling
    Smiles COC1=CC(=C(C=C1S(=O)(=O)N)OC)
    Synonyms Benzenesulfonamide, 2,5-dimethoxy-
    Storage Conditions Store in a cool, dry, well-ventilated area

    As an accredited 2,5-Dimethoxybenzenesulfonamide factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 25g of 2,5-Dimethoxybenzenesulfonamide is packaged in a sealed, amber glass bottle with a secure screw cap.
    Shipping 2,5-Dimethoxybenzenesulfonamide is shipped in tightly sealed containers to prevent moisture ingress and contamination. It is labeled according to relevant regulations, including chemical identification and hazard information. The package must be handled with care and stored in a cool, dry place during transit, utilizing secondary containment if required by shipping guidelines.
    Storage 2,5-Dimethoxybenzenesulfonamide should be stored in a tightly closed container in a cool, dry, well-ventilated area, away from incompatible substances such as strong oxidizers and acids. Protect from moisture and direct sunlight. Store at room temperature and avoid excessive heat. Ensure proper labeling and keep away from food and drink. Always follow relevant chemical safety guidelines and regulations.
    Application of 2,5-Dimethoxybenzenesulfonamide

    Applications of 2,5-Dimethoxybenzenesulfonamide in Industrial Manufacturing

    2,5-Dimethoxybenzenesulfonamide serves as a specialized intermediate in advanced industrial chemistry. Our facility supplies this raw material to various high-value downstream sectors. Each application below illustrates direct usage in manufacturing environments, combined with integration guidelines and compliance information.

    1. Pharmaceutical Intermediate in Active Pharmaceutical Ingredient (API) Synthesis

    Many pharmaceutical manufacturers use 2,5-dimethoxybenzenesulfonamide as an intermediate during the synthesis of APIs, where sulfonamide groups are essential for targeted bioactive molecules. Chemists incorporate the compound during key condensation and coupling steps, especially in the design of selective enzyme inhibitors and antimicrobial agents. We ensure lot-to-lot consistency allowing downstream R&D and scale operations to adhere to strict GMP requirements. All handling and storage conditions conform to international pharma compliance standards.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice (GMP) for Active Pharmaceutical Ingredients
    • European Pharmacopoeia (Ph. Eur.) for raw material quality/purity
    • USP <795> and <797> regarding compounding ingredient safety
    • FDA 21 CFR Part 211 (CGMP for Finished Pharmaceuticals)

    Typical usage ratio

    • Ranges from 0.5–5% w/w in target reaction mass; the molar ratio is adjusted according to the downstream target molecule design and yield optimization studies in process scale-up.

    Downstream process integration

    • Introduced during the sulfonamide coupling reaction step, under controlled temperature in jacketed reactors before purification and crystallization.

    Final product types

    • Enzyme inhibitors targeting kinases or proteases
    • Sulfa drugs and their derivatives
    • Building blocks for custom contract synthesis APIs
    • Process development intermediates for pipeline drug candidates

    2. Advanced Dye and Pigment Synthesis

    Colorant manufacturers select 2,5-dimethoxybenzenesulfonamide as a functionalized sulfonamide donor in multi-step aromatic substitution and condensation processes for producing specialty dyes and pigments. Its electron-donating methoxy groups enable fine-tuning of chromophoric properties, which is critical in the creation of lightfast and chemical-resistant organic pigments for textiles, plastics, and technical applications. Our manufacturing process includes stringent pre-shipment analysis for purity to minimize batch-to-batch color variation in their downstream processes.

    Industry compliance standards

    • REACH Regulation EC 1907/2006 Annex XVII (substances in textile dye applications)
    • OEKO-TEX® Standard 100 for textile colorant safety
    • ISO 9001:2015 for pigment and dye QC systems
    • 2011/65/EU (RoHS) for pigment use in electronics

    Typical usage ratio

    • Employed at 1–8% of the total reactant mass, varying on pigment depth requirement, substituent effects in chromophore design, and reactivity with other aryl substrates.

    Downstream process integration

    • Charged directly into batch synthesis reactors at the azo-coupling stage or post-functionalization during pigment sulfonation and salt formation.

    Final product types

    • Sulfonated azo dyes for textiles
    • Polymeric and technical organic pigments
    • Dispersed dyes for polyester and acetate fibers
    • Ultraviolet-resistant coatings for plastics

    3. Chemical Sensor and Functional Material Production

    Producers of advanced sensors and electronic materials use 2,5-dimethoxybenzenesulfonamide to introduce sulfonamide functionalities onto aromatic platforms within chemosensor backbones or polymer composites. Its incorporation modifies electron transfer and solubility, impacting selectivity for environmental toxins or bioactive analytes. All production batches maintain defined particle size and chemical homogeneity to facilitate downstream polymerization or surface modification steps in OEM fabrication lines.

    Industry compliance standards

    • RoHS Directive 2011/65/EU (for electronics industry use)
    • ISO/IEC 17025:2017 (analytical quality in sensor validation)
    • IEC 61000-4 for electromagnetic compatibility
    • ISO 14001:2015 for environmental management in advanced material production

    Typical usage ratio

    • Applied at 0.2–0.7% by mass in the targeted functional matrix, adjusted based on sensor detection range and the backbone polymer’s chemical compatibility requirements.

    Downstream process integration

    • Blended into sensor-functional polymer matrices or grafted to nanoparticle surfaces during in-situ functionalization steps prior to final sensor assembly.

    Final product types

    • Gas-phase or liquid chemosensors (for H2S, heavy metals, etc.)
    • Sulfonated polymer sensor films
    • Electrochemical biosensor chips
    • Functionalized nanoparticles for technical diagnostics

    4. Specialty Agrochemical Intermediate

    In the agrochemical sector, formulators incorporate 2,5-dimethoxybenzenesulfonamide as an intermediate to generate sulfonamide moieties in new herbicide and fungicide molecules. The compound enters structure-activity exploration, favoring bioactivity against specific weed or fungal targets. This chemical’s utility lies in its methoxy group substitutions, providing options for selective pesticidal action. Downstream manufacturers demand precise analytical documentation and residual control for regulatory approval and environmental fate evaluations.

    Industry compliance standards

    • OECD Guidelines for the Testing of Chemicals (pesticidal compound assessment)
    • FAO ISO 9001:2015 Agrochemical Manufacturing Quality
    • EU Regulation 1107/2009 for plant protection products
    • EPA Product Chemistry Data Requirements (40 CFR Part 158)

    Typical usage ratio

    • Standard input of 0.8–3% on a dry weight basis in agrochemical synthesis, with loading adjusted in combinatorial reaction plates and pilot-scale runs directed by desired bioactivity profiles and environmental tolerance studies.

    Downstream process integration

    • Dosed at the core intermediate coupling stage before final derivatization, then neutralized and isolated for subsequent blending in wettable powder or emulsion formulations.

    Final product types

    • Novel sulfonamide-based fungicutical actives
    • Selective herbicide compounds for cereals and horticulture
    • Custom pesticide intermediates for proprietary R&D pipelines
    • Formulated wettable powder and suspension concentrate crop protectants

    5. Synthesis of Performance Additives for Polymer Modification

    Polymer producers utilize 2,5-dimethoxybenzenesulfonamide to modify backbone chains, enhancing hydrophilicity and charge density for specialty engineering plastics and resin systems. The introduction phase requires controlled metering for optimal copolymer property tuning, often via solution or melt-phase reactions. QC teams monitor the sulfonamide group’s integration closely to ensure consistent mechanical and dielectric properties in the final polymer application, especially when the end-use requires critical film flexibility, adhesive strength, or electrostatic behavior.

    Industry compliance standards

    • ISO 9001:2015 (quality management system for plastics and resins)
    • EN 71-3 Toy Safety (when used in consumer product plastics)
    • REACH Annex XIV (authorization for industrial polymer additives)
    • UL 94 Flammability Standard (for molded technical polymer articles)

    Typical usage ratio

    • Utilized at levels of 0.3–2% by total polymer mass, depending on the target resin’s polarity, size of batch reactors, and mechanical specifications of the finished product.

    Downstream process integration

    • Fed into co-polymerization reactors during in situ grafting, or extruded with base polymers before secondary compound modification.

    Final product types

    • Hydrophilic engineering plastics
    • Dielectric films and coatings for electronics
    • Anti-static masterbatches for packaging
    • Technical adhesives and specialty sealant systems
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    Certification & Compliance
    More Introduction

    2,5-Dimethoxybenzenesulfonamide: A Product Grounded in Manufacturing Experience

    Recognizing True Quality in the Chemical Industry

    Anyone who steps into a chemical plant, or even walks the production floor, knows that getting a specialty compound to consistently meet target specs goes beyond glossy marketing. As a manufacturer of 2,5-Dimethoxybenzenesulfonamide, we see how this chemical truly behaves in a real-world environment. From sourcing the right feedstocks to handling finished inventory, each lot tells a story about hands-on process control, material purity, and customer demand for real results — not vague promises.

    The Value of Our 2,5-Dimethoxybenzenesulfonamide

    Our 2,5-Dimethoxybenzenesulfonamide stands out due to its reliable reactivity, high purity levels, and well-documented traceability. Teams in the lab scrutinize batch outputs for even minor deviations. Raw material identity gets confirmed before any synthesis kicks off. Production personnel calibrate equipment rigorously, not to check a box but to sidestep downstream headaches. The final material exits our site after batch-specific analytics confirm that sulfonamide content and substituted positions match expected chemical identity. Each technical report travels with the shipment, not just for regulatory peace of mind but as a trust builder between us and downstream partners. We believe customers should ask pointed questions about supply history and impurity profiles — those details matter, especially for process-scale users.

    What makes a strong batch of 2,5-Dimethoxybenzenesulfonamide? Starting with the right benzenesulfonyl chloride and verifying that every fraction reacts out as intended. No overlooked side products. Years of plant experience tell us how minor changes in catalyst selection or solvent grade can introduce unwanted color or lower yields. Mid-level technicians notice the difference in appearance, even if analytical data is not yet available. In a quality-focused operation, observations from the drum filling line travel up to senior chemists and plant managers who keep improvement cycles alive. That’s how we have built a process that lessens batch-to-batch surprises.

    Model and Specifications Owed to Practical Application

    We know that final users often request material in the form closest to their needs. With 2,5-Dimethoxybenzenesulfonamide, requests come in for several grain sizes or specific purity targets. We’ve adapted our standards to respond, making sure quality is met without compromise. Our facility typically provides batches with greater than 98% purity, determined by HPLC. Any off-odor or unexpected discoloration signals an out-of-spec batch, not a finished good. From filtration to final drying, inspection remains hands-on and exacting.

    Moisture content presents a recurring challenge for sulfonamides in general, since hygroscopic behavior can change flow characteristics during packaging. Our process team tackles this from batch separation to drum sealing, using inline sensors and operator feedback to ensure finished goods don’t pick up excess water. Clients who handle scale-up in their own plants often come back with updates about caking, flow, or unusual handling characteristics. Every comment finds its way back to our formulation development staff for review.

    Applications Rooted in User Experience

    2,5-Dimethoxybenzenesulfonamide does not just fill a spot on a shelf. Its most common roles involve acting as an intermediate in the synthesis of pharmaceuticals, fine chemicals, and specialty organic compounds. Medicinal chemists prize the reactivity of both methoxy groups on the aromatic ring and the accessibility of the sulfonamide. This combination makes it a useful platform for further substitution, or as a protective group under selective reaction conditions. We’ve seen R&D labs in both academic and private sectors push this molecule toward novel drug candidates or specialized ligands.

    In custom synthesis, the precise placement of the methoxy groups on the ring can unlock different reaction routes. Compared to isomeric sulfonamides with methoxy substituents at 3,5- or 2,4-positions, the 2,5-isomer often provides better selectivity when the target endpoint involves an ortho-para directing synthesis. That subtle difference only appears when a user gets hands-on with lab work, not just by scanning a catalog. From our perspective, 2,5-Dimethoxybenzenesulfonamide has found niche applications in certain dye intermediates and as an effective step in the construction of heterocyclic building blocks that support more advanced active molecules. Organic synthesis teams value materials that let them run cleaner, with fewer byproducts and more manageable purification steps.

    What Sets This Product Apart: Lessons from Day-to-Day Production

    Not every batch of sulfonamide chemistry is alike. Major points of separation between 2,5-Dimethoxybenzenesulfonamide and other sulfonamides come down to the impact of electron-donating groups at specific positions. The two methoxy groups at 2 and 5 on the aromatic ring boost electron density in a way that shifts both chemical reactivity and physical properties. For chemists working on downstream coupling or substitution, these effects can change the face of subsequent transformations. Our plant floor experience reinforces the difference: other sulfonamide batches, like those with straight alkyl or halogen substituents, don’t behave the same in standard reaction models.

    Solubility profiles show similar nuances. 2,5-Dimethoxybenzenesulfonamide demonstrates good solubility in several organic solvents — a fact that has significant consequences for process-scale users. Batch crystallization from methanol or tetrahydrofuran happens more predictably than with 3,5- or 2,4-isomers. That means less variability across scale-up, improved isolation yields, and lower impurity carryover for those using the material as an intermediate. Customers who run multiple products through a single facility can count on minimized cleanup and faster turnaround when using well-behaved sulfonamides, a lesson only repeated plant runs can really reinforce.

    Building Trust through Transparent Manufacturing

    Buyers on the end of a chemical supply chain often cite consistency as their top concern. We take that concern seriously at each step. Our operations team commits to documenting all sources of variation, even what many would ignore as “within margin.” No two raw material shipments are ever the same. A lot might come in at a slightly different melt point or particle size, or bring trace metals from upstream agricultural treatments. Close communication between our procurement staff and process control ensures we intercept risks before conversion starts.

    We’ve learned through audits and customer plant visits that buyers want more than a paper spec sheet. Site access and evidence of good manufacturing practices prove more persuasive than claims of compliance. Samples pulled from non-adjacent sections of bulk material give a truer picture of real batch uniformity. These core principles have kept us in long-term partnership with both large-scale industry teams and smaller custom synthesis firms. Our openness generates customer goodwill but also gives us a living record of problems solved and process improvements made.

    Addressing Common Issues from Real-World Feedback

    Handling feedback from actual users, not just trading partners, matters to us. Over years in this field, genuine process critiques made us rethink aspects of packaging, shipment stability, and label clarity. We learned quickly that smaller customers — or even university researchers — often use only part of a drum or bag at a time. That creates a risk for contamination and degradation in the open package. Our packaging design evolved from that feedback: tamper-evident seals, double liner bags, and clear lot coding became standard on all critical materials like 2,5-Dimethoxybenzenesulfonamide. We also stopped routine use of certain package sizes that tended to go unsealed by end users, in favor of modular options that match typical drawdown per experiment or process step.

    Shipping temperature and humidity also get careful attention for sulfonamides. Our logistics staff coordinates with freight operators about seasonal shifts and air-cushioned loading. Reports of caking came in after several long-haul sea transfers in tropical weather; those incidents led us to switch packaging and tighten shipping windows. Lessons learned there benefitted all downstream users by reducing material loss and need for rework. These are details no one speaks much about in a catalog, but they make all the difference to process yield and reproducibility.

    Differences from Other Products Backed by Real Data

    2,5-Dimethoxybenzenesulfonamide offers a distinct reactivity profile in both small-scale and industrial synthesis. Customers who have relied on other sulfonamides sometimes expect straightforward substitution for new targets, only to encounter issues in yields, color, or downstream performance. We developed side-by-side comparison studies, running competing isomers through identical synthesis protocols. The 2,5 compound repeatedly delivered cleaner spots on TLC, higher isolated yields, and fewer chromatographic challenges during purification.

    Some differences only pop up over multiple process cycles. For instance, when we scale pilot lots to full plant runs, we notice that the 2,5-dimethoxy configuration enables more robust filtration and easier solvent recovery. That advantage comes from reduced clustering of fines and lower formation of off-color byproducts at typical working temperatures. Customers interested in green chemistry can benefit from this characteristic as fewer washings are needed and recoverable solvent ratios improve.

    Other common sulfonamides on the market — whether simple benzenesulfonamides or those with mixed substituents — do not match this performance profile under similar conditions. This reality only becomes apparent after repeated practical use. We add these insights to our internal technical library, sharing when useful with returning clients and newcomers alike.

    Why Purity and Traceability Matter

    Consistency and traceability in specialty chemicals underpin successful commercial-scale production, especially for customers in regulated industries. Each batch of 2,5-Dimethoxybenzenesulfonamide carries direct production lineage, with all raw materials, reaction logs, and test results available on request. Feedback guides us to push for purity standards higher than the commodity baseline. Typical impurity levels remain well below industry thresholds, and the impurity fingerprint for each lot forms a critical part of our release documentation.

    Some customers come to us with specific questions on trace solvent residues, metals, or organic byproducts that could impact their finished goods. We encourage such scrutiny. Where possible, we provide detailed chromatographic and spectroscopic datasets. Any uptick in variance, even if still compliant, triggers a root-cause investigation by our technical staff and an update in process logs. This approach preserves product quality and builds a shared language with demanding users who rely on predictable material performance.

    Supporting Large and Small Customers Alike

    The chemical field draws in both legacy manufacturers and nimble startups. Our batch scale, documentation, and packaging flexibility reflect years of hearing from both camps. Bulk users lean on predictable lead times and just-in-time delivery commitments. Smaller researchers count on samples accompanied by full technical disclosure, so they can adapt processes rapidly. Neither wants surprises or wasted material.

    Not every user brings the same expectations or questions on a chemical like 2,5-Dimethoxybenzenesulfonamide. That diversity of user experience shapes how we allocate technical support staff and schedule production cycles. If a customer email flags some behavioral quirk, our response leans on direct plant records, not boilerplate answers. Repeated interactions build a true feedback loop, with changes in QA testing protocols or packaging options coming from user-driven insights.

    Meeting Evolving Regulatory and Environmental Standards

    Regulatory guidance changes fast, and specialty chemicals sit in a landscape where small shifts in compliance standards can upend established practice. We dedicate both lab and compliance resources to monitoring relevant standards for 2,5-Dimethoxybenzenesulfonamide. Extra tests, documentation, or batch-specific analytics rarely slow us, and usually push us to improve our own target specs. Meeting, and often exceeding, threshold limits for residual solvents or prohibited contaminants helps secure trust from both international and domestic buyers.

    Environmental responsibility becomes more central to plant operations by the year. We view waste minimization and safer solvent practices not just as regulatory checkboxes, but as real steps that cut costs and simplify customer approvals downstream. For example, our use of solvent reclamation has both reduced plant emissions and led to an uptick in customer feedback about product “cleanliness” post-delivery, measured by both purity and handling safety. Lower environmental burden factors into many users’ selection criteria, and gives our end users more leeway in their own ESG reporting.

    Continuous Improvement: A Core Manufacturer’s Mindset

    Day-to-day manufacturing brings both repetition and opportunity for improvement. Continuous improvement at our plant does not come from one-off ideas, but from lessons embedded in years of production cycles. Our operators don’t hesitate to challenge old practices if new data suggests a better route. That can mean tweaking reactor temperature hold, optimizing filtration speed, or changing a drying regime as humidity seasons shift. These process improvements often spring from direct customer input and routine batch analysis, not from textbook theory.

    Operationalizing those changes happens incrementally. Supervisors oversee regular reports on batch trends that spot small deviations, like a mild rise in end-point moisture or an uptick in waste stream volume. These regular audits have a dual benefit: they guard against unseen process drift, and offer a reality check on packaging and process steps that touch the material on its way from reactor to drum. This work is time intensive, but its benefit is real and evident in the material that our buyers receive and comment on.

    Navigating Downstream Challenges with Real Solutions

    2,5-Dimethoxybenzenesulfonamide provides our customers with both opportunity and challenge, shaped by the specifics of their own synthesis needs. We use insights from their feedback to help prevent the most frequent issues, whether related to solubility in non-standard solvents, color development under light, or residual water at point of use. Technicians and support engineers feed real user questions and scenario-based workarounds directly into our technical documentation.

    In rare situations where a shipment triggers unexpected result — a slow reaction rate or an abnormal byproduct — we keep records open and send technical teams to partner sites where allowed. Root cause analysis in those moments often reveals something as mundane as a poorly-sealed lid in transit, or outside contamination during repacking. Solutions then flow both ways: back into our plant routines and out to future buyers. It is that loop of problem-solving that has made improvement stick.

    Looking Ahead: Supporting Innovation Across Markets

    Specialty molecules like 2,5-Dimethoxybenzenesulfonamide fuel creativity in organic synthesis, research, and the applied sciences. Our job as manufacturer is to make sure these innovations start from solid ground. We support new applications by sharing process know-how, staying close to the challenges that matter most to users, and pushing plant practices to keep risk in check. Ongoing investment in equipment, analytics, and people keeps both our current product line and the next generation of intermediates moving forward.

    We remain accountable to the outcomes that real users experience. Each new batch reflects both technical discipline and lessons learned from batches past. Our goal has always been to offer a level of consistency, safety, and transparency that stands up to the closest scrutiny. We look forward to seeing how our 2,5-Dimethoxybenzenesulfonamide supports breakthroughs in fields from medicinal chemistry to materials science, with a level of reliability that chemical professionals can count on.