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Methanesulfonamide

    • Product Name Methanesulfonamide
    • Alias Methanesulfonic acid amide
    • Einecs 213-802-6
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry sales7@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    421093

    Cas Number 124-39-8
    Iupac Name Methanesulfonamide
    Molecular Formula CH5NO2S
    Molar Mass 95.12 g/mol
    Appearance White crystalline powder
    Melting Point 109-111°C
    Boiling Point 280°C (decomposes)
    Solubility In Water Soluble
    Density 1.421 g/cm³
    Smiles CS(=O)(=O)N
    Inchi InChI=1S/CH5NO2S/c1-5(2,3)4/h1H3,(H2,2,3,4)
    Pubchem Cid 7707

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

    Packing & Storage
    Packing Methanesulfonamide is packaged in a 500g amber glass bottle with a secure screw cap and clearly labeled chemical hazard information.
    Shipping Methanesulfonamide should be shipped in tightly sealed containers, protected from moisture and incompatible substances. It is generally shipped at ambient temperature, following all relevant regulations for chemical transport. Proper labeling and documentation are required. Avoid physical damage and ensure packaging prevents leakage or contamination during transit. Handle according to safety guidelines.
    Storage Methanesulfonamide should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizers. It should be kept out of direct sunlight and protected from moisture. Properly label the container, and limit access to trained personnel to ensure safe handling and minimize exposure risks.
    Application of Methanesulfonamide

    Applications of Methanesulfonamide in Industrial Manufacturing

    Methanesulfonamide plays a specialized role in modern industrial chemistry, particularly as a building block and functional additive across select manufacturing sectors. Our direct production experience ensures each downstream field applies this intermediate according to strict industry requirements, formulation constraints, and compliance obligations. Below, we present primary application tracks recognized for their sustained market relevance, organized with scenario-specific usage, process, and end-product details.

    1. Pharmaceutical Intermediate Synthesis

    Methanesulfonamide serves as a key sulfonamide group source in the targeted synthesis of various active pharmaceutical ingredients (APIs), most notably in the manufacturing of certain antidiabetic and anticonvulsant drugs. Manufacturers optimize its addition during sulfonation or amidation reactions under controlled conditions to ensure API purity aligned with regulatory filings. The integration point and dosage specification depend on the molecular structure of the given therapeutic agent, with precise adjustment to avoid by-product formation.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • Pharmacopoeia monographs (USP, EP, JP) as applicable
    • 21 CFR Part 210/211 (FDA cGMP regulations)
    • National Formulary reference criteria for functional groups

    Typical usage ratio

    • 0.3–2.0 molar equivalents, specific to target API synthesis route and yield optimization studies; operators adjust ratio based on desired conversion and regulatory impurity thresholds

    Downstream process integration

    • Introduced in the amidation or sulfonation step following initial substrate activation; precise temperature and pH control ensures clean conversion; intermediates purified by crystallization before further processing

    Final product types

    • Oral antidiabetic drugs (e.g., sulfonylureas)
    • Anticonvulsant medications with sulfonamide groups
    • Synthetic intermediates for further functionalization
    • Reference APIs for regulated markets

    2. Agrochemical Formulations

    Within advanced crop protection agent production, methanesulfonamide acts as a precursor for designing selective herbicide and fungicide actives where sulfonamide moieties impart specific biological activities. Producers dose it at set stages in the creation of active ingredients, with strict batch tracking per agrochemical certification and traceability regulations. Its handling influences reaction specificity and downstream environmental safety profiles.

    Industry compliance standards

    • FAO/WHO pesticide specification requirements
    • ISO 9001:2015 certified production protocols
    • REACH registration for European market entry
    • Chinese National Standards for Agricultural Chemicals (GB/T 1604)

    Typical usage ratio

    • 0.5–1.2 equivalents depending on molecular design of the target, adjusted according to structure-activity relationship studies and environmental metabolite limits

    Downstream process integration

    • Applied in condensation or nucleophilic substitution stages of A.I. synthesis; feed rate closely controlled in batch reactors; intermediates isolated by solvent extraction and further purified prior to formulation blending

    Final product types

    • Selective herbicides featuring sulfonyl functional groups
    • Cereal fungicides for disease management
    • Bulk technical-grade agrochemicals exported to formulation plants
    • Customized pesticide intermediates for local adaptation

    3. Polymer Additives Manufacturing

    Methanesulfonamide finds widespread adoption as a modifier and functional group donor in specialty polymer production lines, notably for engineering plastics where it influences heat resistance and compatibility traits. Compounders introduce it during pre-polymer or chain-extension steps, with dosage precision affecting thermal and mechanical profiles of the final polymer composite. The adjustment range is defined by resin chemistry and desired end-use certifications.

    Industry compliance standards

    • ISO 9001:2015 for polymer compounding operations
    • RoHS Directive for application in electrical/electronic polymers
    • UL 94 polymer flammability ratings
    • GMP guidelines for polymers intended for food contact (where applicable)

    Typical usage ratio

    • 1–5% by weight of base polymer matrix; formulation engineers fine-tune addition based on compatibility and finished product certifications

    Downstream process integration

    • Incorporated during melt blending or pre-polymerization, either in single-screw or twin-screw extruder systems; followed by pelletizing or direct shaping into semi-finished goods

    Final product types

    • Heat-resistant engineering thermoplastics (e.g., modified polyamides)
    • Flame-retardant compounds for electronic housings
    • Automotive and industrial component resins
    • Polymer masterbatches for further compounding

    4. Electroplating Brightener Synthesis

    Many industrial electroplating processes require high-purity organic additives to produce smooth, uniform metal deposits. Methanesulfonamide serves as a core intermediate in the synthesis of proprietary brightening agents used in copper and nickel baths. Its introduction into the production workflow occurs at the coupling step, where parameters such as reagent quality and addition order directly affect reproducibility and bath stability in downstream plating operations.

    Industry compliance standards

    • ISO 9001:2015-certified additive manufacturing management
    • RoHS/ELV restrictions on final products in electronics
    • Provisions of ASTM B507 and DIN EN 12540 for plated metal testing
    • Internal OEM quality audit standards for plated component suppliers

    Typical usage ratio

    • Varies by brightener formulation, typically 0.8–3% of the intermediate solution prior to final blending; determined by plating line validation and surface characterization testing

    Downstream process integration

    • Introduced during organic synthesis of brightener, followed by purification steps such as distillation or crystallization; masterbatches standardized before downstream blending into commercial plating bath concentrates

    Final product types

    • Commercial brightener concentrates for copper and nickel electroplating
    • Specialty additives for high-gloss or functional coating applications
    • Aftermarket restoration plating kits
    • Electroplated automotive and electronic components

    5. Specialty Textile Auxiliary Processing

    In select textile finishing sectors, methanesulfonamide derivatives enable the synthesis of high-performance dye intermediates and fabric auxiliaries, contributing to vibrant color development and improved wash fastness. Downstream processors introduce it at precise steps during organic dye precursor creation, ensuring reproducibility in coloration and compliance with textile safety directives. This integration point and concentration strictly depend on the dye structure and desired fastness criteria in regulated textile markets.

    Industry compliance standards

    • OEKO-TEX Standard 100 for textile chemical safety
    • ZDHC Manufacturing Restricted Substances List (MRSL)
    • REACH Annex XVII as related to textiles and dyes
    • EU Registration for textile auxiliaries under EU 528/2012

    Typical usage ratio

    • 0.5–2.5 molar equivalents relative to target chromophore in dye intermediate synthesis, with adjustments made following pilot batch verification and shade reproducibility testing

    Downstream process integration

    • Used during the condensation step for dye precursor synthesis, followed by isolation, refining, and, in some cases, sulfonation to enhance water solubility; finished auxiliaries are microfiltered before dispatch to textile finishers

    Final product types

    • Reactive textile dyes for cotton and synthetics
    • High-brightness pigment intermediates
    • Fixing agents for improved wash resistance
    • Pre-blended auxiliaries for garment dyeing
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    Certification & Compliance
    More Introduction

    Methanesulfonamide: Purpose-Built for Reliable Performance

    Methanesulfonamide stands out as a core chemical that delivers consistent, predictable results for a range of challenging industrial tasks. At our facility, the production process uses a dedicated line and strict batch tracking, so the traceability and repeatability of each lot remain built-in. This chemical shows up most often in fine chemical manufacturing, where subtle differences in purity and impurity profiles shape everything downstream. For customers who work with high-value intermediates, these kinds of details matter far more than in bulk processing. Our team goes beyond compositional checks, digging into the subtle changes that can arise with different raw material vendors and seasonal shifts in plant utilities. Over the years, we have honed a workflow that addresses these variations before they get to your application floor.

    Consistent Grades, Tailored Specifications

    Every batch of our methanesulfonamide receives analytical scrutiny that tracks more than common purity metrics. We have invested time into method validation using HPLC and specialized impurity tracking, which allows us to optimize our process and identify where bottlenecks or variability may arise. Customers working with pharmaceutical intermediates know that organic and inorganic residuals carry consequences for registration and end-use reliability alike. Our best-selling model offers purity above 99.5%, but the analytical window also includes secondary amines and trace sulfur-containing by-products that can affect downstream synthetic efficiency. No amount of external certification ever substitutes for the trust built up after repeated deliveries that meet the same spec, and customers running continuous production lines have seen fewer stoppages or unpredictable results when switching from generic suppliers.

    Understanding User Needs—Pharmaceutical, Agrochemical, and Beyond

    Manufacturing methanesulfonamide means understanding how end users rely on a single-input product across many different technical routes. For pharmaceutical applications, the consistency of the sulfonamide group insertion with low by-product formation matters most. Key intermediates such as sulfa drugs or more elaborate API scaffolds require high-purity feedstock to prevent side reactions. Our laboratory runs simulate downstream transformations, tracking not just overall yield, but also how impulsive impurities in small amounts affect the number of purification cycles and subsequent production costs. For agrochemical synthesis, cost discipline shapes many projects, yet even these customers grow to notice how input consistency improves later process steps—especially during the scale-up from pilot runs to full-volume campaigns. Those moving from a general sourcing model to our focused offering report fewer batch reprocessings, lower waste generation, and steadier cycle times. It becomes possible to plan production calendars with confidence, as last-minute surprises from the raw material side drop away.

    Comparison: Why Source Methanesulfonamide From a Maker?

    Generic traders often send out product lots from a mix of international producers, blended and relabeled without true internal process knowledge. We have seen the headaches that arise from chasing mysterious off-odors or color shifts in final product lots. As a vertical manufacturer, we stay close to every step, starting from the methylamine input, through controlled sulfonation, and meticulous crystallization and drying. Our process does not focus on throughputs at the expense of quality feedback; instead, daily sampling and feedback loops push us to cut down on batch-to-batch drift. This kind of systems thinking—a habit born of years addressing root cause failures—often only surfaces after repeated troubleshooting at a customer’s site.

    We routinely test for critical by-products such as N,N-dimethylmethanesulfonamide and residual sulfonic acid, both of which have been implicated in competitive lots that caused problems in sensitive reactions. Trace analysis methods pick up what standard purity claims cannot, and this diligence has shaped which customers come back for repeat orders. Our own experience working with multinational pharma partners revealed how even a low single-digit part per million impurity could halt a campaign, incur regulatory headaches, and inflate solvent usage for purification. So, the difference shows up not just on a certificate, but in reduced overtime and waste-handling budgets at the customer level.

    Applications: More Than an Intermediate

    Several trends in recent years have expanded the scope of methanesulfonamide beyond its familiar use as a pharmaceutical intermediate. Our product feeds into high-purity polymer manufacture, especially where introducing stable sulfonamide functional groups build desirable resilience or thermal properties. Users in the electronics sector increasingly seek ultra-clean materials, free from transition metal traces and metallic dust, which otherwise wreak havoc with sensitive microelectronic substrates. Our experience in meeting these tight profiles stands out, since our process steps incorporate extra rinse and filtration cycles with laboratory verification at each stage. Aggressive in-line detection for sodium, potassium, and iron ensures that these metals remain at or below single-digit ppm levels, reflecting what the market’s contemporary applications need to maintain throughput and reliability.

    For those synthesizing dyes, specialty surfactants, or fuel additives, our product’s low volatility and predictable reactivity mechanics become essential. Chemical manufacturers aiming at high dispersion resistance or tailored absorption spectra appreciate knowing the base material will not introduce unknown side-products or degrade during compounding. We have hosted several pilot projects on site, where customers ran simulation reactions with our methanesulfonamide versus general market alternatives. Nearly every trial uncovered higher batch yield, less coloration in final dyes, and less off-specification material requiring downstream correction.

    Behind The Scenes: Process Improvements Guided by End-User Feedback

    Each year, our technical team sits down with regular clients to review both successes and unresolved process “surprises.” Sometimes this means tracking seasonal solvent fluctuations that impact solubility profiles; other times, the issues tie back to the type and quality of packaging used in shipping. Methanesulfonamide is sensitive to moisture pick-up, so our packaging line now employs dehumidified filling under nitrogen, followed by rapid-insert double-lined bags. Several years ago, we received reports from a customer about clumping and off-load handling issues; diagnostic work led us to tweak the drying stage parameters instead of blaming storage. This process-first thinking resonates with production engineers who seek partners willing to address the awkward, real-life side of scale manufacture.

    We have also responded to repeated calls for “application packs”—test-sized lots of our primary and secondary grades for pilot syntheses and lab scale validation. Chemists at the bench need to see batch-to-batch consistency, and these controlled samples have helped bridge the gap from early research through to plant-scale purchases. Once chemists validate the primary amine purity with their own in-house GC or titration work, confidence only grows with each subsequent full-scale shipment.

    Contrast With Other Sulfonamide Offering

    Often, a procurement search throws up every sulfonamide under the sun—benzenesulfonamide, toluenesulfonamide, isethionic acid derivatives, and blends meant for cost-focused projects. Methanesulfonamide sits apart due to its streamlined carbon framework and sharp, reliable electrophilic properties, with predictable incorporation into diverse scaffolds. Benzenesulfonamides, while valuable for different end-uses, suffer from increased aromatic by-products and require protracted purification in some routes. Meanwhile, other methylated or substituted sulfonamides bring in steric barriers or unexpected reactivity, complicating scalability for new synthetic pathways. Industrial chemists and development leads have reported that “simple isn’t always easy”—meaning a molecule with fewer moving parts only works if the process keeps the usual suspects of side reactivity firmly in check.

    Some buyers have raised cost questions about specialty chemical manufacturers versus bulk commodity blends. Our data gathered from downstream users shows a different story: fewer rejected lots, lower reprocessing costs, and more time spent on productive synthesis instead of endlessly tracking reaction variable outliers. This comes from a close process connection, not an abstraction around “value add.” Over time, accounts that migrated away from generic suppliers documented not just faster project timelines, but fewer deviations that needed regulatory explanation, especially in markets where trace-level reporting carries real legal weight.

    Environmental and Regulatory Mindset in Manufacturing

    Regulators across continents now call for traceability and documented chemical stewardship, especially as production moves close to environmentally sensitive areas. A few years ago, sulfur emission caps forced every batch manufacturer to rethink disposal and recycle streams. Our internal controls track not just product purity, but also by-product capture and neutralization. The spent acid stream, once disposed through standard neutralization, now feeds a recovery loop, reducing outflow burdens and aligning with modern site-audit standards. Suppliers in the pharmaceutical and food chain report back on audit outcomes, with positive findings linked to transparent process reporting and less ambiguity in materials sourcing. No one faces gaps in paperwork come client or regulator inspection.

    Manufacturers who ignore regulatory momentum soon face the burden of non-compliance costs, contract penalties, and lost orders. By handling compliance within the plant rather than offloading it downstream, our experience shows that the initial overhead quickly recoups itself through credit points in green indexing systems and competitive bidding. On the customer side, project managers often prefer suppliers who dedicate resources to responsible production, especially as global standards tighten and auditing escalates in intensity.

    Practical Support for User Integration

    Integrating a key material like methanesulfonamide requires more than a clean COA and a price sheet. We field technical inquiries before and after purchase, troubleshooting side-reaction blues and working directly with customers on reaction scale-up. One project revealed a bottleneck in feed kinetics caused by local agitation at the receiving plant, which we addressed by adapting our packaging to better suit the user’s dosing rigs. These real-world tweaks never surface until both producer and user sit at the table to work through scale-specific wrinkles. Over time, this builds trust, reduces the risk of communication breakdowns, and supports smoother transitions during plant upgrades or campaign adjustments.

    On multiple occasions, our team sent plant engineers onsite to help debug deviations—a service that helped prevent entire campaign losses for repeat buyers. Feedback feeds into our own process cycles: every abnormal outcome prompts a root cause analysis, traceability drilldown, and, when warranted, a tweak in plant protocols or vendor selection criteria. By keeping the learning loop short, performance and user outcomes improve incrementally but permanently—an advantage that aggregator resellers and trading houses cannot offer without hands-on process exposure.

    Why Our Approach Delivers More Than Standard Commodity Supply

    Working as the manufacturer, our priorities go beyond margin and volume; each specification tweak serves a technical purpose in the end-user’s application. We do not separate process reliability from business results, because in the chemicals trade, every failed batch or rejected delivery incurs a real business and reputational cost. Our input material traceability, end-to-end process documentation, and problem-solving attitude anchor our relationships with both established and new clients. We watch global demand shifts, monitor input price swings, and make continuous investments in analytics—moves that support real-world reliability, not just glossy marketing.

    New customers often ask about price competitiveness versus low-cost alternatives. It rarely takes more than a few production campaigns for them to realize that predictable quality, transparent process control, and responsive support add up to a lower effective cost. No production plan tolerates uncertainty, and global supply shocks have made reliability a necessity, not a luxury. In fast-moving sectors from pharmaceuticals to specialty coatings, being able to pick up the phone and actually resolve an issue means more than landing a discount order once in a while.

    Commitment to Industry Progress

    Making methanesulfonamide at scale demands that we think both as process engineers and as partners to our clients’ innovation agendas. Advancing purity benchmarks, reducing environmental impact, and supporting clients in regulatory compliance efforts—these remain continuous projects, not one-off checkboxes. We see knowledge sharing not as client handholding, but as the surest route to faster, more efficient process rollout at every stage. Each successful production run, each delivered lot that meets spec, and each avoided process hiccup builds not only customer trust, but a reputation we have no interest in risking.

    Real progress occurs not with declarations, but with a willingness to share data, learn from failures, and improve both plant processes and customer outcomes with every cycle. In a landscape where many suppliers compete for price-first orders, the real work often starts after the contract is signed. We specialize in sustaining performance, not merely achieving it on a one-time basis. Each day in chemical manufacturing throws up new challenges—new sources of raw material variability, changes in environmental compliance, and evolving user requirements. By staying close to every detail, from core process chemistry to the practical realities on the user’s factory floor, we have built an offering that keeps delivering results.

    Choosing methanesulfonamide from a dedicated manufacturer like us means less lost production time, fewer surprises, and a technical partnership that adapts as both market and regulatory needs change. In an industry that prizes certainty above promises, that makes all the difference.