Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
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Butenafine

    • Product Name Butenafine
    • Alias Mentax
    • Einecs 134181-73-8
    • 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

    183795

    Generic Name Butenafine
    Brand Names Mentax, Lotrimin Ultra
    Drug Class Antifungal (benzylamine)
    Chemical Formula C23H27N
    Molecular Weight 317.47 g/mol
    Route Of Administration Topical
    Mechanism Of Action Inhibits ergosterol synthesis affecting fungal cell membrane
    Indications Tinea pedis, tinea cruris, tinea corporis
    Dosage Form Cream
    Prescription Status Prescription and over-the-counter (varies by region)
    Onset Of Action Within a few days
    Side Effects Mild skin irritation, redness, itching

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

    Packing & Storage
    Packing Butenafine packaging: White plastic bottle containing 25 grams of off-white powder, labeled with product details, hazard symbols, and storage instructions.
    Shipping Butenafine is shipped in tightly sealed, chemical-resistant containers to prevent contamination and moisture exposure. It should be transported according to international regulations for pharmaceutical chemicals, typically under cool, dry conditions. Proper labeling with hazard and handling information is required, and shipping documentation must comply with applicable safety and regulatory standards.
    Storage Butenafine should be stored in a tightly closed container at room temperature, ideally between 20°C and 25°C (68°F–77°F), away from moisture, heat, and direct light. It should be kept out of reach of children and pets, and not be stored in the bathroom. Ensure the storage area is dry and well-ventilated to maintain the chemical’s stability and effectiveness.
    Application of Butenafine

    Applications of Butenafine in Industrial Manufacturing

    We supply Butenafine as an active pharmaceutical ingredient utilized by global manufacturers in regulated processes. Below we detail concrete application areas, each with clear regulatory frameworks, processing data, and end use product types based on current market requirements.

    1. Topical Antifungal Creams Manufacturing

    Industrial-scale formulation of OTC and prescription antifungal creams relies on our Butenafine. Manufacturers integrate the API during emulsion phase processing to deliver reliable monograph-compliant topical treatments for tinea infections. Defined quality control protocols demand precise content analysis, microbiological stability, and effective release from the finished emulsion matrix. Material must comply with pharmacopoeial standards and global regulatory dossiers for finished non-sterile dermatological products.

    Industry compliance standards

    • United States Pharmacopeia–National Formulary (USP–NF)
    • European Pharmacopoeia (Ph. Eur.)
    • Japanese Pharmacopoeia (JP)
    • FDA cGMP 21 CFR Part 210/211
    • ICH Q7 and Q8 guidelines

    Typical usage ratio

    • 1.0% w/w (creams usually formulated as Butenafine hydrochloride 10 mg per 1 g base)
    • May adjust between 0.8–1.2% to meet target product monograph and dermatological performance tests

    Downstream process integration

    • Disperse Butenafine in oil or mixed aqueous–lipid phase before homogenization
    • Critical timing: integrate after emulsifier melting but before final temperature drop
    • Monitor for API uniformity and color/purity in batch release QC

    Final product types

    • OTC antifungal creams for athlete’s foot, jock itch, ringworm
    • Prescription topical creams for resistant dermatophyte infections
    • Medicated foot creams for diabetes management
    • Combo anti-inflammatory/antifungal formulations

    2. Pharmaceutical Antifungal Gel Production

    Butenafine forms the basis for several high-purity gel pharmaceuticals. Downstream pharmaceutical producers rely on its defined solubility profile to enable transparent suspension or solution within hydrophilic carriers. The API enters the gel matrix under controlled mechanical mixing, typically at room temperature to avoid degradation. Compliance with pharmacopeial and gel-specific antimicrobial preservative standards is necessary for market access.

    Industry compliance standards

    • USP–NF Gel monographs
    • Relevant EMA/EDQM guidelines
    • EU Cosmetics Regulation 1223/2009 for borderline products
    • Local Ministry of Health registration procedures

    Typical usage ratio

    • 1.0% w/w for standard antifungal topical gels
    • Can drop to 0.5% w/w in combination products or pediatric forms
    • Determined by efficacy studies and gel clarity endpoints

    Downstream process integration

    • Directly dissolved or ultrasonically dispersed in aqueous gel base (typically carbomer or hydroxyethyl cellulose) before neutralization
    • Integrated with or after surfactant addition but before gelling agent activation
    • Batch monitored for content uniformity, viscosity, and pH

    Final product types

    • OTC antifungal gels for skin and groin applications
    • Prescription medicated gels for severe mycotic infections
    • Clear gels for pediatric dermatology
    • Specialty gels for diabetic foot care

    3. Medicated Powder Manufacturing

    In mass powder blending plants, Butenafine enters the process as a micronized API, mixed with excipients designed to enhance skin adherence and moisture absorption. Powdered technical blends require robust validation of content uniformity and aeration properties, with finished blends targeting low moisture and non-caking stability over the shelf life. Manufacturing lots must withstand high-throughput filling and packaging line speeds, with product stability kits tracking active content at distribution endpoints.

    Industry compliance standards

    • USP–NF Powdered Dosage Forms section
    • GMP practices for non-sterile manufacturing (PIC/S PE 009-14)
    • FDA OTC Drug Review regulations
    • Global SCCS guidelines for skin contact powders (where applicable)

    Typical usage ratio

    • 1.0% w/w (standard antifungal powder)
    • Ranges 0.8–1.2% based on skin irritation, release rate, and non-volatility of final blend
    • Adjust for high-flow or low-dust requirements in industrial filling

    Downstream process integration

    • Butenafine blended with corn starch, silica, and lubricants in double-cone or ribbon blenders
    • Introduced after excipient pre-mixing to ensure fine dosing homogeneity
    • Critical release tests: sieve analysis; API assay; moisture content

    Final product types

    • OTC antifungal body powders
    • Prescription powders for chronic mycoses
    • Sports and athletic foot powders
    • Hospital-grade infection control powders

    4. Transdermal Patch Formulation

    Select patch and wound care manufacturers incorporate Butenafine for sustained antifungal delivery. Material enters the formulation dissolved within adhesive solutions or polymeric matrices, with process validation focused on release rate profiling and adhesive uniformity. Strict regulatory demands require demonstration of dose control, skin permeation consistency, and low residual solvent levels. Final patch lots undergo stability and packaging interaction studies per region-specific medical device protocols.

    Industry compliance standards

    • ISO 13485 for medical device manufacturing
    • FDA 21 CFR 820 (Quality System Regulation for Devices)
    • USP <1044> Transdermal Drug Delivery Systems
    • Relevant local device registration and safety requirements

    Typical usage ratio

    • 1.0–5.0 mg/cm² patch area (varies by patch thickness, intended wear duration, and target mycotic infection type)
    • Adjusted by diffusion and controlled release profile per regulatory submissions

    Downstream process integration

    • Incorporated into pressure-sensitive adhesive layer or melt-extruded matrix with plasticizers
    • Coating and drying steps scheduled to minimize loss or degradation
    • Final patch sections cut and packaged with in-line content uniformity testing

    Final product types

    • Transdermal antifungal medicated patches
    • Medical device foot or body patches for persistent tinea management
    • Specialty wound dressings for high-risk patient care
    • OTC slow-release antifungal strips
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    Certification & Compliance
    More Introduction

    Butenafine: Experience in Its Manufacture and Application

    Building Butenafine from the Ground Up

    Our process for making Butenafine draws from years of organic synthesis and pharmaceutical fine chemical experience. In our factory, Butenafine starts as a set of raw chemicals sourced with full traceability. Each stage—grignard reactions, purification, crystallization—happens in-house under controlled conditions set by chemists who have spent decades working hands-on with azole and allylamine derivatives. Our product comes out as a fine white to off-white crystalline powder, standard for topical antifungal agents, and batches pass strict IR and HPLC checks before release. We craft it primarily as Butenafine hydrochloride, which stores and blends well in standard production suites, with loss on drying and residue thresholds kept below pharmaceutical monograph limits. In our shop, every kilo is ground and sifted to minimize agglomerates—ensuring customer labs won’t run into headaches with blending or formulating.

    Consistent Standards, Practical Choices

    We run Butenafine in several grades, using input from researchers and formulation techs who stopped in, face-to-face, over coffee or in line at the loading dock. For those producing creams and ointments, we focus on tight particle size distribution to avoid grittiness in finished goods. Analytical reports come standard with each shipment—not just because compliance demands it, but because we know the pain of tracking down missing specs when you are deep into a project. Our 99.5% minimum assay (by HPLC) provides breathing room that makes production cycles less stressful. The product holds up under stability testing—long storage under ambient conditions has not led to yellowing, clumping, or loss of activity. We ship it in double PE-bags inside fiber drums; nothing complicated, just what keeps moisture out and keeps operations simple at your end.

    From Bench to Mixing Tank: Real Application Needs

    Butenafine finds its place in topical treatments against dermatophytes, tinea, and related fungi. Years back, our team worked through extrusion, blending, and filling lines for antifungal creams, so we know where trouble can start—the powder must dissolve cleanly, and trace residual solvents from synthesis cannot remain. In our shop, every lot runs through gas chromatography after each process step. This routine prevents solvent fogs or off-odors, especially in low-odorous cosmetic vehicles. We handled technical support for a customer developing a new solution; our chemist rode out to check solubility and mixing rate on their site, wearing the same lab coat she works in here. The batch dissolved fine in their chosen excipient, no suspension or settling. Shared expertise, not guesswork, ensures the end-user gets the best out of the product.

    Setting Butenafine Apart from Other Antifungals

    In our facility, we make more than one type of antifungal. Butenafine stands out for its structure—a benzylamine, designed to interrupt ergosterol biosynthesis, targeting squalene epoxidase. Unlike imidazole-based materials (like clotrimazole or miconazole), which inhibit different enzyme steps and sometimes produce irritation, Butenafine usually offers a better skin tolerance profile. Many of our clients move toward Butenafine because they want a treatment that combines a broad spectrum with less reporting of adverse skin reactions from end users. The creaminess possible with Butenafine-based ointments helps users avoid greasy or sticky residue on skin, thanks to the product’s compatibility with modern emollient systems.

    Terbinafine is another related compound—a benchmark in this category—but Terbinafine acts deeper, with more potential to cause skin dryness. Lab results from external partners using our lots have shown that Butenafine keeps skin hydrated longer in repeat-use scenarios. We’re open about sharing these test data; users ask for clear evidence, and we believe in providing facts, not marketing gloss.

    Innovation Rooted in Practical Problem Solving

    Our technical staff has seen the cycle of product development from pilot runs to full-scale production. Not every challenge is solved at the whiteboard. Sometimes, a change in solvent recovery systems or a tweak in the filtration step makes all the difference for process yields or handling properties. These improvements keep our Butenafine viable and cost-effective without losing sight of quality. We regularly re-visit our synthetic pathway—originally adopted from classical literature, but now adjusted based on plant feedback and safety findings. That willingness to adapt raw material intake or fine-tune crystallization temperature sets us apart from operations that follow static protocols year after year. In several recent campaigns, our introduction of closed-system handling for transfer between reactors reduced exposure incidents and increased batch yields by over five percent—a major boon for customer pricing and worker well-being alike.

    We listen closely to what buying managers and lab formulators encounter on the ground. Storage and shipment safety matter. Because Butenafine holds up best in low humidity, we switched to desiccant-included drum liners after one wet summer led to caking in transit. We don’t wait for accumulated complaints to act—our account reps meet with logistics technicians quarterly, using small setbacks from the field to drive real adjustment in handling.

    End-Use Safety and Regulatory Concerns

    Topical ingredients end up on people’s skin, and this responsibility is not theoretical for us. Butenafine hydrochloride from our plant follows requirements set out in ISO 9001 and cGMP principles. Every batch ships with a complete Certificate of Analysis and certified origin of all critical raw sources—traceability that many drug formulating chemists have told us gives them comfort. Our analysis extends beyond simple ID or assay. We routinely check for elemental impurities (lead, arsenic, mercury, cadmium) using validated ICP-MS methods, and all results fall below regulatory cut-offs: we don’t shortcut here, because a single batch error in residue could stop an entire factory’s output.

    Our laboratories run stability programs from launch—not just for keeping paperwork tidy, but so that every customer can rely on a two-year shelf life when stored under standard conditions. Multiple samples from different drum lots are tested using accelerated light, humidity, and temperature regimens in our own stability chambers, and we report out-of-spec findings immediately rather than suppressing them. This transparency wins loyalty—customers can plan tight production cycles without surprises.

    What Sets Our Butenafine Apart

    Raw materials and finished goods from our line reflect choices born from hands-on experience, not marketing strategies. All Butenafine lots ship after passing a set point test for solubility and fineness, which prevent issues with downstream dispersion or vessel cleaning in customer facilities. We focus on reducing “batch drift”—keeping each shipment nearly identical to the last, so users can scale without having to recalibrate every time. Our managers run routine audits of blending, drying, and packing rooms; changes are made because of real-world handling, not just documentation checkboxes. At any time, an in-house chemist can visit a packing line to make a judgement call that saves a customer days of troubleshooting later.

    Most of our repeat customers send technicians or managers to walk our factory. Seeing the operation in action—checking sample pull points, discussing protocols at the workbench, sorting through deviation logs—shows the depth of investment in both safety and finished quality. We are not selling an anonymous generic; we are making a batch every week for customers who care about consistency, flexibility, and responsiveness to feedback.

    In the Factory: Hard Lessons, Real Results

    Manufacturing Butenafine becomes an ongoing exercise in fine-tuning. Any unexpected variable—an out-of-spec impurity peak, a slight change in color, a clog in a filter—gets immediate attention from staff trained both scientifically and practically. Decision-making isn’t always about consulting databases; often, it’s about someone on the floor running a quick GC test or pulling an old logbook to spot a pattern. These practices have helped us catch deviations before they become larger problems. This leads to high batch acceptances, fewer customer claims, and a reputation for reliability that competitors copying from the same public formulas just can’t match.

    On the bottleneck side, our manufacturing volume flexes to meet real demand. We routinely invest in buffer reactors and blending stations to reduce downtime between orders—so that, if a customer’s demand spikes, they do not face back order notices. Earlier this year, we implemented a process tracking system that flags slowdowns in precursor availability. This has let us avoid halting the line and gives our partners comfort that their supply will not evaporate mid-year.

    Working with Clients in the Real World

    Our support does not stop when the drum leaves our dock. When a product formulator calls with a solubility question or an unexpected result in stability, we send the person best equipped to help—usually the chemist who made the reference batch—on-site or by live call. This hands-on attention solves more problems than any remote or scripted FAQ document. Over years of these calls and visits, we fine-tuned our recommendations for blending Butenafine into various ointment bases, from simple hydrogels meant for pharmacy extemporaneous work to complex cream emulsions for branded consumer products. One client’s challenge with phase separation in a new water-based gel became the seed for our adjusting the lot-specific pH, which then worked for every similar client after.

    In a world of high staff turnover and rotating sales contacts, continual in-house training ensures that anyone picking up the phone, answering an email, or meeting face-to-face can speak with confidence about the product line. Our Butenafine is not handed off blind from a spreadsheet or catalog—it’s explained thoroughly, and follow-up care never runs dry. Updates on regulatory changes, stability insight, or new application data are shared without waiting for formal review cycles. This keeps our partners caught up, not struggling to catch up.

    Meeting Regulatory Changes and Customer Demands

    As regulatory landscapes shift, our team tracks global standards and adapts documentation, labelling, and technical content. We prepare each consignment for the target market with full compliance—our records and certificates reflect not just general standards but specifications required by local agencies. Feedback from market recalls elsewhere regarding impurities or labeling errors triggers a review meeting with our production, QA, and client communication leads. These sessions are focused on taking meaningful preventative steps, not just ticking compliance boxes. Customers have commented that this approach avoids risk to their brand and to patient outcomes.

    We are honest about the limitations. In case of a challenging regulatory interpretation or a supply pinch, our philosophy is to bring the issue to the customer and work through options—adjusting delivery schedules, splitting batches, or even recommending alternate suppliers for short-term coverage if it means the end user’s needs get met. Trust grows stronger under pressure, and these long-haul relationships help us keep quality and safety above the minimums that others sometimes accept.

    Continuous Improvement Guided by Experience

    No chemical manufacturing line remains static. We budget for process upgrades, and team with outside experts when new bottlenecks or efficiency opportunities present themselves. Ideas come from all levels: an operator noting smoother charging after a change, a QC technician flagging a shift in impurity profiles, or a client reporting a change in blending performance at their site. Several improvements now standard in our Butenafine lines—including micro-filtration and enhanced in-process monitoring—originated from direct field reports, not abstract management directives.

    Part of our promise remains open technical dialogue, making space for end users to advise how their hands-on experience of the product shapes their needs. One recent roundtable between our chemists and customer QA staff led to an updated SOP for sieve mesh size, reducing the rare but impactful issue of large agglomerates. This minor change helped downstream processors use less energy in their blending, saving real money over the course of a large contract. These improvements come straight from experience, not marketing pitches or ungrounded promises.

    Looking Ahead with Confidence

    The future of Butenafine manufacturing will bring changes—fresh regulatory standards, greener process demands, new packaging requirements, or innovations in formulation. As we face these, our approach rests on two pillars: deep expertise with the molecule, and strong relationships with everyone from purchasing to lab bench to production line. Our staff, some with ten or twenty years of hands-on chemical manufacturing, remain committed to the kind of problem solving and continuous improvement that means customers never have to settle for just “sufficient” quality. High standards mean running reliable supply, maintaining clear documentation, and delivering flexible, knowledgeable support.

    Every kilo of Butenafine we produce passes the same hands and eyes that helped build our reputation for reliability. We do not treat our product as a commodity item—each order builds on the knowledge, tenacity, and care that comes with working as a producer, not a broker. Our reputation stands on the consistency of experience, the clarity of our technical support, and the honesty of communication up and down the chain. Customers stay with us because they see these values in the product, every shipment, every batch, year after year.