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2-Methylbenzimidazole

    • Product Name 2-Methylbenzimidazole
    • Alias 2-Methyl-1H-benzimidazole
    • Einecs 208-585-2
    • 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

    916025

    Name 2-Methylbenzimidazole
    Cas Number 615-15-6
    Molecular Formula C8H8N2
    Molecular Weight 132.17 g/mol
    Appearance White to off-white crystalline powder
    Melting Point 173-176°C
    Boiling Point 360°C at 760 mmHg
    Density 1.16 g/cm³
    Solubility In Water Slightly soluble
    Purity Typically ≥98%
    Flash Point 180°C
    Iupac Name 2-methyl-1H-benzimidazole

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

    Packing & Storage
    Packing 2-Methylbenzimidazole is packaged in a 100g amber glass bottle with a secure screw cap, featuring a clear hazard label.
    Shipping 2-Methylbenzimidazole is shipped in sealed, clearly labeled containers suitable for chemicals, typically made of glass or plastic to prevent contamination and moisture intrusion. Packages should comply with local and international regulations for hazardous materials, kept in cool, dry conditions, and protected from physical damage during transit. Transport documentation is required.
    Storage 2-Methylbenzimidazole should be stored in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible materials such as strong oxidizing agents. Store the chemical in a tightly sealed container, clearly labeled, and protected from light and moisture. Ensure the storage area is equipped with appropriate spill containment and that only trained personnel have access.
    Application of 2-Methylbenzimidazole

    Applications of 2-Methylbenzimidazole in Industrial Manufacturing

    As a direct manufacturer, we supply 2-Methylbenzimidazole with consistent quality and reliable traceability. The following key applications reflect its use in real downstream industrial sectors, organized with a focus on compliance, technical integration, and typical formulation practices.

    1. Curing Agent Intermediate for Epoxy Resins

    2-Methylbenzimidazole serves as an intermediate in synthesizing advanced hardeners and accelerators for epoxy resin systems. Its aromatic heterocycle structure imparts enhanced thermal stability and improved mechanical properties. Industrial users integrate this material during prepolymer mixing or as a separate curing agent stage. It is essential for producing high-performance tooling, electrical encapsulants, and automotive composite parts, aligning with strict regulatory and product consistency requirements.

    Industry compliance standards

    • REACH Regulation (EU) No 1907/2006
    • RoHS Directive 2011/65/EU (applies to electrical components)
    • UL 94 Flammability Safety Standard (resin end products)
    • ISO 9001:2015 Quality Management for Manufacturing

    Typical usage ratio

    • 0.5–2.0 wt% in total epoxy resin formulations; adjustment based on target glass transition temperature and work-life

    Downstream process integration

    • Added during pre-curing or mixed with polyamine/polyamide curing blends at elevated temperatures (60–80°C)
    • Post-addition in B-stage resin compounding for electrical laminates

    Final product types

    • Printed circuit board laminates
    • Automotive structural composites
    • Electrical potting compounds
    • Tooling and fixture cast parts

    2. Raw Material for Pharmaceutical Intermediate Synthesis

    In the pharmaceutical industry, 2-Methylbenzimidazole acts as a core building block for synthesizing benzimidazole-based drugs, antimicrobials, and antiulcer agents. Multi-step synthetic routes utilize this compound for key scaffolding, particularly in active pharmaceutical ingredient (API) manufacturing. Process control and GMP-grade material handling remain critical throughout.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • USP-NF and EP monograph guidance (where applicable in derivative APIs)
    • FDA 21 CFR Part 210/211
    • EDQM CEP Certification (for API manufacturing)

    Typical usage ratio

    • Equimolar or excess according to stepwise synthesis; varies 1–1.2 molar equivalents in condensation reactions

    Downstream process integration

    • Charged in initial condensation with o-phenylenediamine or carboxylic acid derivatives under controlled batch synthesis
    • Used in catalytic cyclization for benzimidazole API frameworks

    Final product types

    • Pharmaceutical intermediates (hydrochloride, nitrate salts)
    • Antiulcer compounds (e.g., omeprazole intermediates)
    • Bulk drug substances
    • Veterinary pharmaceutical ingredients

    3. Corrosion Inhibitor Formulation for Water Treatment

    Industrial water treatment programs use 2-Methylbenzimidazole due to its effectiveness in corrosion inhibitor blends for circulating cooling water, boilers, and closed loop systems. The heterocyclic nitrogen atoms adsorb onto metal surfaces, forming protective films that defend against oxidation of steel and copper alloys in harsh alkaline or moderately acidic conditions.

    Industry compliance standards

    • ASTM D1384 Corrosion Test for Engine Coolants
    • German Technical and Scientific Association for Gas and Water (DVGW) guidelines W512 (corrosion inhibitors)
    • EN 12123 (water treatment chemicals purity requirements)
    • ISO 9001:2015 certified water treatment production

    Typical usage ratio

    • 10–50 ppm active in finished inhibitor concentrates; dosage adjusted for metallurgy and make-up water

    Downstream process integration

    • Dosed into aqueous inhibitor premixes before blending with chelating agents and biocides
    • Continuous or batch injection directly to water systems

    Final product types

    • Closed-circuit cooling water corrosion inhibitors
    • Engine coolant additive packages
    • Industrial boiler protection formulations
    • Specialty water treatment blends for process piping

    4. Polymer Additive for Light Stabilizing Masterbatches

    In plastics manufacturing, 2-Methylbenzimidazole is utilized as a precursor for synthesizing hindered amine light stabilizer (HALS) systems. These additives extend the service life of polyolefin and polyurethane materials exposed to UV radiation in outdoor environments. Integration occurs in masterbatch production, where the HALS is incorporated into finished resin prior to pelletizing or molding.

    Industry compliance standards

    • EU Regulation (EC) 10/2011 on plastic materials in contact with food
    • EN ISO 4892-2 (artificial weathering test for plastics)
    • ASTM D2565 for light-stabilized polymers
    • ISO 14001 Environmental Management for polymer production

    Typical usage ratio

    • 0.05–0.3 wt% in masterbatch concentrate; higher rates for extreme outdoor exposure or specialty applications

    Downstream process integration

    • HALS precursor synthesized and compounded in additive masterbatch production lines
    • Blended with base polymer during resin extrusion or molding

    Final product types

    • UV-stabilized polyethylene films
    • Polypropylene automotive trims
    • Outdoor furniture materials
    • Greenhouse covering sheets
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    Certification & Compliance
    More Introduction

    2-Methylbenzimidazole: Reliable Quality Built by Decades of Hands-On Chemical Production

    Focusing on What Matters: Purity, Performance, and Production Know-How

    Chemical manufacturing occurs as much in the laboratory as on the shop floor. In our production facilities, we have learned to never take shortcuts with intermediates like 2-Methylbenzimidazole. Precise control shapes every batch, starting with the sourcing of clean, high-grade ortho-phenylenediamine and handling of toluene-derived feedstocks. Every chemist and operator knows that a miss at the earliest stages quickly becomes a costly run of out-of-spec product. That recognition underpins our approach to 2-Methylbenzimidazole, which we supply in consistent crystalline form, usually with a purity specification above 99%. Color, solubility, and melting point retention all speak as silent testimony to the discipline in our manufacturing line.

    One key trait of 2-Methylbenzimidazole is its simple yet robust molecular backbone, making it less hydrophilic than unsubstituted benzimidazole. This methyl substitution offers practical advantages for compounders in pharmaceuticals and technical markets. The ring’s methyl group makes for a tighter interaction when it serves as a building block for specialty polymers or fine chemicals. Our long experience has shown that even fractional impurity levels can warp downstream results. There’s no room for error, so trained analysts scrutinize for any residual color bodies or off-odors. If we spot them, we don’t ship, and the compound heads back for reprocessing. Discussion between production and analytical staff is routine, whether about tweaking a crystallization step or making sure the solvent recovery circuit operates at its cleanest. These conversations sharpen product reliability batch after batch.

    Understanding the Needs of Real-World Applications

    Our customers rarely ask for 2-Methylbenzimidazole on its own. Most want to build something with it: a pharmaceutical intermediate, a corrosion inhibitor, or a curing agent for epoxy resins. Details matter in each case. Pharmaceutical syntheses demand low moisture and freedom from uncommon trace impurities, especially nitrosamines and aromatic amines, which can be show-stoppers at regulatory review. Based on years of process improvements and ongoing investing in purification, we can confidently meet USP- and Ph. Eur.-oriented requirements, and routinely ship material supporting DMFs filed worldwide. Our packaging lines are designed to prevent cross-contamination at every point, and we take care to control particle size for quick, dust-free handling in GMP settings.

    Technical users, such as resin formulators and pigment makers, ask about bulk flow, shelf stability, and ease of dissolution in organic solvents. Here, we use our own feedback from shopfloor and customer trials. For instance, resin manufacturers report that even subtle increases in free moisture can lead to uneven absorption back in their blending kettles. Rather than relying on post-mortem troubleshooting, we invested in a custom drying and nitrogen packaging loop to keep every bag in spec, even during summer’s highest humidity spikes. We routinely test random retained samples year-round, tracking any drift.

    Comparison with Alternative Benzimidazoles and Substituted Compounds

    We don’t just make 2-Methylbenzimidazole, but also other substituted benzimidazoles, such as 2-Ethyl-, 2-Phenyl-, and N-alkyl derivatives. Our teams review application notes and collaborate with downstream developers to choose the most suitable analog for a given target molecule or process. For instance, the additional methyl on 2-Methylbenzimidazole impacts reactivity at the 1-position on the ring, lending a particular kinetic profile if you need a selective alkylation or N-oxidation step. People working in dye chemistry have pointed out that 2-Ethylbenzimidazole doesn’t dissolve as rapidly in polar solvents, which can slow their color base synthesis. On the other hand, the methyl group in our featured compound provides a balance: sufficient hydrophobicity to blend smoothly in both aqueous and non-aqueous media, but less steric hindrance than the ethyl or bulkier aryl versions. This gives users flexibility in formulation – something we see reflected in steady repeat orders from additive and pigment manufacturers.

    Our own research trials, both with in-house and partner labs, confirm that 2-Methylbenzimidazole exhibits more predictable reactivity when used as a blocking group or coupling component. The chemical’s competitive pricing against 2-Substituted analogs also comes from process efficiencies we have built up over years of tweaking conditions, recycling byproducts, and controlling energy spend. While laboratory syntheses may tolerate wider impurity profiles due to scale, production chemists need a practical standard, especially as requests for kilogram and ton-batch scaleups increase. Our plant sets that bar, grounded in operator experience, upstream raw material qualification, and daily hand-offs between shift teams.

    Environmental and Safety Practices: Real Risks, Real Solutions

    An operational manufacturer sees the whole picture, not only what leaves the plant but also the residue, exposures, and long-term liabilities. 2-Methylbenzimidazole production involves heat, ammonia or other alkaline reagents, and aromatic starting materials. Handling vapors and off-gases effectively keeps our workplace safe, and regular checks confirm low exposure levels in working zones. In our experience, managing powdered chemicals calls for both technical and human controls: proper PPE, real-time dust extraction, and ongoing housekeeping reduce the hazard of unintended exposure during packaging and transfers.

    Our responsibility runs further. Effluent and spent wash solutions receive careful analysis before discharge, and we keep detailed logs for audit tracking. Each year, we review solvent use and secondary containment performance, sharing the results openly with staff so even frontline workers participate in improvements. We have implemented steps to recapture and reuse solvents, with over 80% of toluene and DMF solvents now cycled back into production—this real number helps keep costs and environmental footprints manageable. We know tight margins can threaten safety investments, but failings in containment or emissions bring risks too large to ignore. Walking the plant floor tells you fast what works and what doesn’t. That lesson remains true, no matter what the latest ISO or regulatory checklist specifies.

    Traceability and Data Integrity: Building Trust Over Time

    Suppliers often promise traceability, but the real test comes years later—perhaps when a customer receives an FDA query about a tiny impurity, or when an end product faces a market recall. Our traceability starts in the raw material bay, where every incoming batch is barcoded and reconciled against each run’s bill of materials. At the end of the process, we retain sealed retains from every batch for at least five years; several customers have called in those samples to solve an unexpected lab result. Tracking this data pays off: if a process deviation arises, we reverse-engineer the timeline, checking cleaning records, weather logs (since humidity swings sometimes create anomalies in crystallization), and every deviation noted on daily production sheets. Our focus on robust documentation means audits, whether internal or customer-driven, rarely uncover inconsistencies or surprises.

    Digital data capture and review have become a new normal. Our operators and QC analysts log batch parameters and analytical data and review them for every lot, not only for the sake of completeness but to serve as an early warning system for drifts. If a pot temperature climbs out of range or if a subtle color shift emerges, our teams investigate right away, rather than waiting for a complaint or a returned shipment. Years spent upgrading systems and training teams to spot patterns pay dividends, both in customer confidence and real process understanding. Occasionally, a customer questions a result; with our records, every answer comes from experience, not guesswork.

    Long-Term Customer Relationships: Listening and Learning From End Users

    Most purchasing managers and R&D teams don’t call their supplier unless a problem turns up. Our history shows the value in regular feedback loops, not just corrections after the fact. We assign experienced technical staff to follow up with customers on new application trials. One example: a customer scaling a new curing agent for epoxy coatings identified an odd haze forming in their end product. Because our team’s synthesis experts had run similar processes, we quickly pinpointed a too-high final drying temperature in their mixing step, not a defect in the chemical itself. That insight only comes from having lived with the compound, not just managed its paperwork.

    Long-term buyers frequently describe how slight process modifications—timing, order of addition, solvent selection—change the way 2-Methylbenzimidazole behaves in their systems. Our knowledge doesn’t stop at our door; we pass on real-world comments from factory chemists in different sectors, helping new users learn from others’ successes and stumbles. Recent interest in “green chemistry” approaches led several partners to ask about lower-residual solvent grades and methods for solvent recovery. We shared our in-house recycling successes and worked together to design a solvent washing and recovery loop suitable for smaller pilot-scale labs. These exchanges raise product consistency not just for a single customer, but for everyone downstream.

    Responding to Market Change: Readiness Through Experience

    The market for 2-Methylbenzimidazole keeps shifting. Regulatory expectations grow stricter. Raw material costs climb. Global logistics interrupt supplies with little warning. Our response isn’t to chase the lowest price or cut corners. We maintain buffer stocks of key aromatic diaminos and methylating agents, and we constantly review alternate sourcing for every input. Several years ago, changes to import duties upended our entire cost structure overnight. Instead of passing those costs along unfiltered, our team went through every nonessential process step, from filtration to waste strip-outs, to preserve both quality and price stability for our customers. Those improvements stick, and our pricing reflects an honest calculation—one our partners see and understand.

    Product adulteration and “cutting” remain real concerns, especially as overseas suppliers enter with no production history. Genuine 2-Methylbenzimidazole shows specific melting point, solubility, and HPLC retention time signatures; in our history, customers have shared cases of off-brand lots containing substituted or even degraded ring structures. Even a one percent difference can disrupt downstream processing or create regulatory risk. Our plant staff trains to run detailed identity and purity checks on every outgoing batch. We back each product’s identity with analytical data recorded and maintained according to both regulatory and internal standards. If a customer ever doubts a lot’s authenticity, we’re ready with a full data package—not as an afterthought, but as routine practice.

    Investing in the Future: Skills, Equipment, and Growth

    Manufacturing benzimidazole derivatives demands hands-on skill, not just automated controls. Our shift teams bring decades of cumulative experience transferring hot reaction masses, drying and sieving fine powders, and managing hazards from ammonia and organics. We don’t leave operations solely to flow meters or data loggers. Regular training, peer review, and knowledge-sharing meetings help keep veteran and newer staff alert to every variable that can affect output. In updating older kettle reactors, we install improved temperature regulation, not just for efficiency but to prevent hot spots that could boost impurity loads. Every equipment upgrade traces back to a process need, not to chasing the latest fads. Modern dryer systems increase throughput, but we built in stepped humidity controls to safeguard against over-drying and static charge build-up. These improvements grew from practical plant experience and regular discussions with those who run the lines—not distant engineering offices.

    At the same time, we bring in new analytical technologies as they emerge. NMR and LC-MS units operate alongside traditional melting point and titration benches, giving both broad and fine-grained insight into each batch. If we ever face a novel impurity or color body, the right equipment—and trained staff—ensure prompt identification and solution. Occasionally, process bottlenecks come from oldest equipment still running. Through measured capital investment and plant expansions, combined with careful change management, we keep throughput in line with rising market demand, but never chase speed at the expense of reliability.

    Meeting Future Challenges with Adaptability and Commitment

    Every new customer inquiry brings a chance to improve. We work through technical requirements, end-use specifications, and real-world challenges together. Our team gives input based on what works and what’s feasible—sometimes suggesting a modification to a downstream process or offering process-side solutions to meet a new regulatory threshold. We have learned that the chemistry never stands still. Each year brings new questions, from updated limits on aromatic amines to novel applications in electronic materials or high-performance pigments. Our adaptability comes from the deep foundation of team experience and a willingness to invest in new training, equipment, and process control.

    Above all, we stand by what we ship. Our reputation rests on every bag and drum of 2-Methylbenzimidazole meeting its specification, performing consistently, and supporting customer innovation. Improvements come from listening—both to our own staff and to those who depend on our products. As we look ahead, this focus on people, science, and long-term results ensures our 2-Methylbenzimidazole stays a trusted building block for industries ranging from pharmaceuticals to advanced materials.