Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing sales7@sinochem-nanjing.com 3389378665@qq.com
Follow us:

Bis(4-Amino-2,3-Dichlorophenyl)Methane

    • Product Name Bis(4-Amino-2,3-Dichlorophenyl)Methane
    • Alias 4,4'-Diamino-3,3'-dichlorodiphenylmethane
    • Einecs 242-556-9
    • 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

    383898

    Productname Bis(4-Amino-2,3-Dichlorophenyl)Methane
    Casnumber 68155-86-6
    Molecularformula C13H10Cl4N2
    Molecularweight 352.04
    Appearance Solid, typically off-white to light yellow powder
    Meltingpoint Approx. 210-214°C
    Solubility Slightly soluble in common organic solvents
    Purity Typically >98% (may vary by supplier)
    Boilingpoint Decomposes upon heating
    Synonyms 4,4'-Methylenebis(2,3-dichloroaniline)
    Density Unknown; estimated around 1.5 g/cm³
    Structuralformula C(C6H3Cl2NH2)2
    Storagetemp Store at room temperature, dry conditions

    As an accredited Bis(4-Amino-2,3-Dichlorophenyl)Methane factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 500g of Bis(4-Amino-2,3-Dichlorophenyl)Methane, packaged in a sealed amber glass bottle with chemical labeling and safety warnings.
    Shipping Bis(4-Amino-2,3-Dichlorophenyl)Methane should be shipped in sealed, clearly labeled containers, protected from moisture and direct sunlight. It must comply with all local and international chemical transport regulations, including appropriate hazard labeling. Use secondary containment and ship with the necessary documentation to ensure safe and compliant delivery.
    Storage Bis(4-Amino-2,3-Dichlorophenyl)Methane should be stored in a tightly sealed container, away from light, moisture, and incompatible materials such as strong oxidizers and acids. Store in a cool, dry, well-ventilated area, ideally in a dedicated chemical storage cabinet. Ensure labeling is clear, and restrict access to authorized personnel. Follow all relevant safety and regulatory guidelines for storage.
    Application of Bis(4-Amino-2,3-Dichlorophenyl)Methane

    Applications of Bis(4-Amino-2,3-Dichlorophenyl)Methane in Industrial Manufacturing

    As a manufacturer specializing in aromatic diamine production, we supply Bis(4-Amino-2,3-Dichlorophenyl)Methane to key segments within specialty polymer, coatings, and advanced material industries. Below we detail the principal industrial application fields, with a focus on actual customer formulation needs, process control points, and compliance frameworks used around the globe.

    1. Epoxy Resin Curing Agents for Electronic Encapsulation

    In electronic encapsulation applications, downstream plants utilize Bis(4-Amino-2,3-Dichlorophenyl)Methane as a hardener in epoxy formulation systems for semiconductor packages, sensors, and LED drivers. Its chemical structure helps achieve a balance between thermal performance and flame retardancy, which is critical for sensitive microelectronic components. Manufacturers integrate the diamine as a primary or co-curing agent during the prepolymer blending phase before vacuum degassing and pressure molding. End-users adopt tight process controls to minimize voids and ensure uniform network cross-linking for reliability in high-temperature and high-humidity environments.

    Industry compliance standards

    • UL 94 Flammability Standard for Plastics Materials
    • IEC 61249-2-21 Halogen-Free Requirements for Electronic Materials
    • RoHS 2011/65/EU Directives on Restricted Substances
    • IPC-4101B for base materials in electronic assemblies

    Typical usage ratio

    • 18% to 24% by weight relative to the epoxy prepolymer mass, adjusted based on desired cure profile and mechanical properties

    Downstream process integration

    • Incorporated during the masterbatch or pre-blend phase prior to homogeneous mixing with epoxy resins, followed by defoaming and casting in controlled environments

    Final product types

    • IC encapsulants
    • LED driver potting compounds
    • Automotive engine control module sealants
    • Power electronic substrate coatings

    2. Polyimide Intermediate for High Temperature Films

    Polyimide producers rely on Bis(4-Amino-2,3-Dichlorophenyl)Methane as a diamine monomer when synthesizing specialty polyimide resins with tailored halogen content for thermal stability, flame retardancy, and controlled dielectric properties. The diamine is charged into polymerization kettles with dianhydride partners under strict stoichiometric control, often using azeotropic removal of generated water. The resulting polyamic acid solutions are then cast and thermally imidized to obtain high-performance films for flexible printed circuits and wire coating tapes.

    Industry compliance standards

    • ASTM D5213 for Polyimide Films Testing
    • EN 60674-2 Electrical Insulation Requirements
    • REACH Regulation (EC) No 1907/2006
    • UL 746B Thermal Aging for Flexible Materials

    Typical usage ratio

    • 41% to 49% molar ratio relative to total diamines charged, dependent on required film mechanicals and flame retardancy level

    Downstream process integration

    • Introduced during diamine monomer blend feed prior to in-situ polycondensation; followed by film casting, solvent removal, and imidization

    Final product types

    • High temperature flexible circuit films
    • Automotive coil insulating tapes
    • Flexible printed wiring boards
    • Specialty dielectric membranes for aerospace

    3. Specialty Polyurethane Elastomers for Oil & Gas Seals

    Seal and gasket manufacturers employ this aromatic diamine as a custom chain extender and crosslinker in segmented polyurethane elastomers engineered for aggressive oilfield environments. The material is charged in the pre-polymer stage after isocyanate and polyol premixing, ensuring precise stoichiometry for optimal modulus, chemical resistance, and low compression set. Elastomer extrusion or casting operations are conducted under well-sealed, temperature- and moisture-controlled conditions to prevent side-reactions or incomplete cure.

    Industry compliance standards

    • API 6A Annex F for Elastomeric Material Testing
    • ISO 23936-2 Elastomers for Oil & Gas Applications
    • NORSOK M-710 Qualification of Non-Metallic Sealing Materials
    • ASTM D1414 Rubber O-Ring Standards

    Typical usage ratio

    • 4.5% to 9% by mass, adjusted for targeted crosslink density and oil resistance; actual ratio calculated based on the NCO:NH2 index

    Downstream process integration

    • Included in the isocyanate-prepolymer stage as an extender; blend homogenized and de-aired before mold casting or extrusion, followed by post-cure at elevated temperature

    Final product types

    • Subsea pipeline O-rings
    • Hydraulic actuator seals
    • High-pressure valve gaskets
    • Flexible couplings for downhole tools

    4. Flame Retardant Additive for Engineering Plastics

    Major compounders of engineering plastics, such as polycarbonate and polyester blends for transport and electrical applications, utilize Bis(4-Amino-2,3-Dichlorophenyl)Methane as a halogen-containing flame retardant synergist. It is introduced as a masterbatch or in granule form during plastication or melt-compounding, providing enhanced thermal stability and meeting stringent fire resistance benchmarks required by the transportation and appliance sectors. Careful dosing ensures that the additive does not compromise mechanical performance or processability.

    Industry compliance standards

    • UL 94 V-0 Flammability Classification
    • EN 45545-2 Fire Protection on Railway Vehicles
    • FMVSS 302 Flammability of Interior Materials (Automotive)
    • IEC 60695-11-10 Fire Hazard Testing for Plastics

    Typical usage ratio

    • 2% to 6% by weight in the total resin formulation; dosage varies based on base polymer, target flammability rating, and mechanical property retention

    Downstream process integration

    • Added at the melt-blending stage or via pre-dispersion in carrier resin, processed through twin-screw compounding lines and pelletized for molding operations

    Final product types

    • Electrical connector housings
    • Railway vehicle trim panels
    • Household appliance casings
    • Automotive under-hood parts
    Free Quote

    Competitive Bis(4-Amino-2,3-Dichlorophenyl)Methane prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to sales7@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: sales7@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Introducing Bis(4-Amino-2,3-Dichlorophenyl)Methane: A Trusted Building Block for Speciality Chemicals

    Years of Manufacturing Experience Meet Consistent Quality

    Bis(4-Amino-2,3-Dichlorophenyl)Methane, with its model often abbreviated as BDAM—or by its CAS number, 2618-38-6—has become a mainstay in high-demand chemical synthesis. Our own production lines have run this compound for over a decade, and in that time, clients in dyes, agrochemical intermediates, and pharmaceuticals have counted on our batches for their reliability. Few compounds have shown such adaptability to varied end-uses, and that’s one reason customers return to us—not just for material but for the confidence that each lot matches specifications and handles like the last one.

    Specifications Sourced from Real Production Practice

    BDAM appears as a pale yellow to off-white crystalline solid. In actual output, color can indicate trace impurity levels, so we monitor every batch for consistent appearance and melting behavior. Melting point hovers around 160 °C—batch after batch—and our staff checks each consignment prior to packaging. We consistently achieve purity of 98% or higher based on HPLC assay. Lesser grades may range from 95% upward, but we focus our main production on reactions where side impurities disrupt performance. Particle size, handled by our rotary grinder and sieving system, falls between 80–120 mesh; extra-fine fractions are possible on request but require close collaboration, as grinding can add cost and risk of dusting.

    Moisture control matters. During final drying, we seldom see moisture above 0.2%, thanks to closed-system tray dryers and desiccant-stationed packing rooms. Residual solvents such as DMF or toluene always test below 0.05%, since uncontrolled solvent content can compromise downstream use—especially in polymer chemistry or specialty pigment applications. On surface appearance, we keep caking out with lot management. Bis(4-Amino-2,3-Dichlorophenyl)Methane packs tightly but does not become rock-hard storing at room temperature for up to a year when sealed.

    Understanding Its Core Uses

    This compound earns its stripes as a diamine intermediate. Whether it’s being applied in polyimide resins, curing agents for advanced epoxy systems, or the preparation of specialty dyes, the demand keeps steady. Our experience supplying batch chemical and continuous-flow manufacturers guides our production schedule—prompt delivery counts most for companies pushing pilot trials or stepping into commercial scale. Most of our customers are seeking high temperature stability and precise reactivity in their intermediates. BDAM gives that through its aromatic, dichloro-substituted structure, offering thermal resistance and unique nucleophilicity compared to simpler open-chain diamines.

    As a coupling agent in pigment synthesis, BDAM stands apart. Smaller amines result in dusty, lower yield coupling steps, and more exotic alternatives come with greater cost, supply chain friction, or stricter shipping controls. Our logistics team pre-clears each order for compliance with your country’s chemical import rules—sea, air, road. We ship under UN guidelines if any shipments cross into regulated jurisdiction, especially for larger drum lots.

    Key Differences from Other Diamines or Aromatic Intermediates

    Comparing BDAM to straight-chain, aliphatic diamines reveals some straightforward advantages. Aromatic ring systems such as this one resist degradation under heat, UV, or acid. This lets formulators develop products designed for the electronics, aerospace, or specialized coatings sectors, where basic alkyl diamines give out and leave products unstable. Having manufactured both chemistries onsite, the quality control and handling challenges differ sharply. BDAM requires more stringent reaction temperature control during synthesis, but this upfront investment pays back during storage, transport, and user processing.

    Against more generic aromatic diamines, such as plain 4,4’-diaminodiphenylmethane (often used in epoxy hardeners), BDAM’s dichloro substitution punches up the material’s reactivity and offers improved selectivity in some coupling and polymerization reactions. Synthetic dyestuff manufacturers especially highlight BDAM for giving cleaner colors, fewer side-products, and better reproducibility compared to cheaper bulk diamines. In our internal QC lab records, yields and downstream processing steps require fewer purification runs, cutting costs and environmental load.

    Our production engineers have spent years refining the purification of BDAM. Chlorine substitution at the 2,3-positions brings both benefit and challenge—the molecule resists over-oxidation in pigment synthesis, but any process deviation can generate off-color or low-purity byproducts. Our plant prioritizes batch traceability, ensuring any supply chain disruptions can be contained and root-cause traced without market-wide recalls.

    Safety and Handling, Drawn from Front-Line Experience

    Plant safety never comes as an afterthought where amine intermediates are involved. Production team members handling BDAM follow full PPE rules—not just gloves and goggles, but lab coats and filtered masks during bagging. Even trace skin contact produces irritation or allergy risk over repeated exposure. We house full MSDS and hazards training for every handler, warehouse worker, and shipper. Drum and bag packaging use heavy-duty, multilayer liners to control dust and accidental exposure.

    Disposal and aqueous release concerns get addressed upfront. Waste and wash water from plant equipment passes through neutralization steps, with careful monitoring to prevent any environmental release. Regular internal audits track compliance, and we maintain relationships with licensed third-party waste handlers for anything not treated onsite. Regulatory standards for handling, storage, and bulk transport continue to tighten worldwide. We proactively update our safety practices in line with both local regulation and international chemical protocol.

    Product Development and Technical Support from Direct Manufacturing

    In our career developing new chemical offerings, one lesson repeats: feedback from downstream processors drives real innovation upstream. Customers in pigment or pharma intermediate synthesis often confront bottlenecks in scale-up, ring closure, and final purification. We offer sampling and trial batch support founded on intimate knowledge of our product’s performance across various reaction conditions.

    Our technical staff fields questions daily on batch-to-batch consistency, contamination risks, and potential cross-reactivity. They coordinate with R&D groups on customer sites to help troubleshoot, optimize, or even tailor a lot for specific process requirements. Our history with BDAM stretches well beyond generic supply; it runs to partnership, ensuring each supply solves actual manufacturer pain points—not just theoretical ideals.

    Supply Security and Traceable Sourcing

    Starting material security challenges every specialty chemicals manufacturer today. Our BDAM production pulls raw inputs from vetted suppliers within a closed-loop inspection system. Each new batch undergoes incoming raw material analysis, and we keep barcoded traceability from receipt to finished drum. Stockpiling for clients with tight pipeline schedules often falls on our shoulders; we manage forward contracts in raw material supply to weather market jumps or transport interruptions. It’s common for buyers to call us directly with sourcing concerns, and our staff openly shares information on upcoming supply changes, shipping workload, or regulatory border issues.

    We’ve watched the global chemical supply chain tighten since the pandemic, with longer lead times and more volatility in international logistics. Stable BDAM sourcing now makes the difference between order fulfillment and shutdown for downstream producers. Our warehouse stocks buffer batches each quarter to mitigate port or customs risk but always rotate inventory so old stock never sits waiting beyond recommended shelf life.

    Environmental Accountability Rooted in Modern Manufacturing

    Environmental compliance is not a check-box task on inspection forms—it’s woven into every stage of production at our site. Bis(4-Amino-2,3-Dichlorophenyl)Methane production demands careful management of chlorinated waste streams, off-gas scrubbing, and water treatment. All tank wash-outs, vent gas, and process residues get processed through multi-step abatement. Stack emissions are monitored in real time, with review logs available for regulatory inspectors and serious buyers alike.

    We prioritize green chemistry approaches in our plant design wherever possible. New advances in catalytic hydrogenation and closed-system acid/base work-ups have cut down both energy usage and byproduct waste in recent years. We share fully documented lifecycle and environmental reporting with committed clients, so responsible sourcing isn’t a leap of faith. Corporate buyers increasingly look for proof of compliance at every link of their supplier network. We see that clearly in today’s audits, and our company responds with transparency and open data.

    Packaging Integrity Based on Chemical Know-How

    Great packaging keeps BDAM usable and operator-safe through storage and global delivery. Our stock packaging falls to either HDPE drums with sealed liners or multi-wall paper sacks with internal moisture barrier. We use nitrogen-inerting for bulk shipments headed to humid climates. This prevents agglomeration or color shift before arrival. Shipping labels show full batch trace data, best-before dates, and handling direction to aid warehouse staff handling the inventory.

    Years of practical problem solving tell us the headaches poor packaging causes—caking, label failure, unreadable lot numbers. We continually audit our packing line to ensure traceability and protection. Our warehouse team receives ongoing training on secure, documented staging for outbound shipments. This ensures each order carries both the actual product quality and a clear record of its production journey.

    Meeting the Changing Demands of End Users

    End-use trends shift. New high-performance polymers, pharmaceutical breakthroughs, and advanced color systems drive new demand for BDAM and related intermediates. Our long-term sales staff witnesses ongoing repositioning of supply from commodity sectors to specialty application development. Purchasers and R&D teams now demand not just timely delivery but comprehensive support in qualification trials, technical dossiers, and trace impurity studies.

    We take pride that many industry-leading research programs rely on our BDAM material as a qualified baseline. Their feedback keeps us adapting. Whenever new regulations, analytical thresholds, or customer protocols land, our onsite laboratory works to update internal testing and certification procedures, matching industry requirements. Regular dialogue across the supply and user chain crosses time zones and languages, but it roots our focus in the day-to-day reality of commercial production and application.

    Continuous Product Improvement, Not Just Consistent Supply

    A manufacturing background instills an ongoing desire to improve—not only in volume but in practical, on-the-ground results. Routine customer site visits provide the clearest feedback on our product’s real-world performance. Specialists in coatings or process chemistry often want to push the boundaries of what conventional BDAM is expected to do. We collaborate directly, testing new preparation routes or purification runs at pilot scale, ready to pivot if industry or regulatory trends suggest new directions.

    In recent years, advances in reaction temperature control, solvent recovery, and post-synthesis washing have allowed us to provide BDAM with even tighter impurity profiles—beneficial for those moving into more regulated sectors or export-driven markets. Our R&D team logs and shares each innovation, so customers always have the opportunity for technical review ahead of procurement decisions. We treat improvement as a journey, not a sales pitch.

    Summary: The Value of a Manufacturer’s Perspective

    No matter how markets or specifications evolve, our commitment to direct communication and technical support has never wavered. Bis(4-Amino-2,3-Dichlorophenyl)Methane remains an in-demand, high-value intermediate across many sectors where purity, reliability, and process insight can make or break an application. Our team’s practical experience, deep technical knowledge, and ongoing investment in plant improvements position us as more than a supplier—we serve as a genuine partner for clients who need more than an anonymous lot number on a bag.

    In living through the supply, quality, and regulatory realities shaping chemical manufacturing today, we affirm that sourcing BDAM directly from an established producer brings both practical security and a clear path to solving tomorrow’s technical challenges. Customers choose their suppliers based not just on molecules—but on trust, shared goals, and a proven track record of meeting challenges head-on. That’s what defines our approach to manufacturing, year after year.