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2-Amino-4'-Bromobenzophenone

    • Product Name 2-Amino-4'-Bromobenzophenone
    • Einecs 629-969-5
    • 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

    690676

    Productname 2-Amino-4'-Bromobenzophenone
    Casnumber 2704-55-8
    Molecularformula C13H10BrNO
    Molecularweight 276.13
    Appearance Light yellow to yellow crystalline powder
    Meltingpoint 168-172°C
    Purity Typically ≥98%
    Solubility Slightly soluble in water; soluble in organic solvents
    Density 1.44 g/cm³ (approximate)
    Smiles C1=CC=C(C=C1)C(=O)C2=CC(=C(C=C2)N)Br
    Storageconditions Store at room temperature, away from light and moisture

    As an accredited 2-Amino-4'-Bromobenzophenone factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 25g 2-Amino-4'-Bromobenzophenone comes in a sealed amber glass bottle with a tamper-evident cap and hazard labeling.
    Shipping 2-Amino-4'-Bromobenzophenone is shipped in tightly sealed containers, protected from light and moisture. It is typically packaged according to regulations for chemical substances, ensuring safety during transit. Handling and transportation comply with relevant local and international shipping guidelines for hazardous materials to prevent leaks, spills, or accidental exposure.
    Storage 2-Amino-4'-Bromobenzophenone should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from sources of ignition, heat, and incompatible substances such as strong oxidizers. Protect from light and moisture. Ensure proper labeling and avoid prolonged exposure to air. Follow all relevant safety regulations and guidelines for chemical storage.
    Application of 2-Amino-4'-Bromobenzophenone

    Applications of 2-Amino-4'-Bromobenzophenone in Industrial Manufacturing

    As the original manufacturer, we offer 2-Amino-4'-Bromobenzophenone with a proven record in several industrial sectors where selective reactivity, high purity, and stringent quality control are essential. This intermediate supports established downstream value chains, enabling end producers to meet highly specific regulatory, process, and product performance targets.

    1. Pharmaceutical Intermediate for Third-Generation Quinolone Synthesis

    Pharmaceutical manufacturers rely on this compound as a key building block in the synthesis of fluoroquinolone antibiotics. Its chemical structure introduces essential halogen and amino groups during the condensation stage to form the core quinolone scaffold. GMP environments require precise reaction control, especially for the heterocyclization and coupling steps, ensuring stringent impurity profiles are maintained in line with global pharmacopeia guidelines for active pharmaceutical ingredients.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice Guidelines
    • US FDA cGMP (21 CFR 210/211)
    • European Pharmacopoeia (Ph. Eur.) Monographs
    • Chinese Pharmacopoeia (ChP)

    Typical usage ratio

    • Typically 0.9–1.1 molar equivalents in relation to the core acid in condensation reactions. Ratio optimized per batch to control side product formation.

    Downstream process integration

    • Enters the heterocyclic amination step post-activation of aromatic ketones, followed by acidification and purification tailored for API-grade intermediates.

    Final product types

    • Active pharmaceutical ingredients for fluoroquinolone antibiotics (e.g., Ofloxacin, Levofloxacin)
    • Registered API intermediates
    • Pharmaceutical reference standards

    2. Advanced Intermediate for Azo Dye Synthesis

    Manufacturers of high-purity azo dyes integrate this specialty intermediate to deliver required color brightness and durability for polyamide and polyester fiber coloration. Its reliable halogen substitution ensures strong electron withdrawal, facilitating stable diazotization and coupling control for precise pigment manufacture. Downstream processes focus on minimizing residuals, driven by both technical dye standards and environmental compliance.

    Industry compliance standards

    • OEKO-TEX® Standard 100
    • REACH Regulation (EC 1907/2006) – Annex XVII restrictions on azo dyes
    • ZDHC Manufacturing Restricted Substances List (MRSL) for textiles
    • GB/T 23967-2009 (Chinese technical standard for dyes)

    Typical usage ratio

    • Added at 1.2–1.5 moles per mole of coupling component in diazotization reactions, adjusted to control molecular weight and target fastness grades.

    Downstream process integration

    • Introduced after initial diazotization; key in the coupling stage for monoazo pigment molecules, followed by neutralization and milling for paste or powder dyes.

    Final product types

    • Polyester and polyamide textile dyes
    • Industrial pigment concentrates
    • Specialty ink formulations

    3. Intermediate for UV-Curing Photoinitiator Manufacture

    Producers of UV-curing systems use this intermediate in the synthesis of photoinitiators enabling rapid polymerization under UV exposure. Its aromatic framework ensures high absorption at controlled wavelengths and transfers efficiently through multistep substitution and acylation processes. Final photoinitiators require precise control of purity and isomer content, especially for applications in food packaging and microelectronics.

    Industry compliance standards

    • ISO 9001:2015 quality management for specialty chemicals
    • Swiss Ordinance on Food Contact Materials (SR 817.023.21)
    • FDA 21 CFR 175.300 (for photoinitiators in food packaging coatings)
    • RoHS Directive (EU) 2015/863 for electronic components

    Typical usage ratio

    • 0.8–1.0 equivalents per photoinitiator molecule, with calibration against light absorption and fragmentation efficiency.

    Downstream process integration

    • Feeds into Friedel-Crafts acylation, followed by selective bromination and purification prior to final condensation into active photoinitiators.

    Final product types

    • UV-curing photoinitiators for inks and coatings
    • Photoinitiator masterbatches for polymer resins
    • Low-migration photoinitiator blends for food contact and electronics

    4. Key Intermediary for Benzophenone Derivative Agrochemical Synthesis

    Agrochemical companies deploy this advanced intermediate to construct specific benzophenone moieties in the synthesis of pre- and post-emergence herbicides with targeted selectivity. The bromo and amino positioning facilitates regioselective functionalization, ensuring compatibility with process metrics for crop safety, field residue limits, and finished formulation shelf life. Stringent traceability and process validation support product registration in regulated markets.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • US EPA 40 CFR Part 158 – Data Requirements for Pesticides
    • EU Regulation No 1107/2009 (Plant protection products registration)
    • ISO 17025-accredited QC testing

    Typical usage ratio

    • 0.95–1.05 molar equivalents in reaction with carboxylate or thiol partners, adjusted to limit environmental marker compounds in residue studies.

    Downstream process integration

    • Utilized in stepwise nucleophilic substitution leading to protected benzophenone intermediates, subsequent deprotection, and stabilization for technical concentrate formulation.

    Final product types

    • Selective herbicide active ingredients for cereals and rice
    • Technical grade plant protection intermediates
    • Custom agrochemical research compounds
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    Certification & Compliance
    More Introduction

    2-Amino-4'-Bromobenzophenone: A Close Look From Our Factory Floor

    Getting to Know 2-Amino-4'-Bromobenzophenone Up Close

    Every year, hundreds of research teams and production lines look for intermediates to unlock new chemical possibilities. At our plant, we have seen requests surge for 2-Amino-4'-Bromobenzophenone—sometimes referred to on work orders as 4'-Bromo-2-aminobenzophenone. The molecule brings together the reactivity of an amino and a bromo group on a benzophenone base, which isn't found in many other intermediates. You may see similar terms from catalogs, but we've been handling the production from raw material to packaged goods for nearly a decade, adjusting process parameters with each batch to meet chemists' high standards for purity and consistency.

    Our Production Experience: Quality, Clean Reaction Pathways, and Real-World Adjustments

    Every kilogram starts with solid planning. Before new runs, our staff double-checks the lot numbers and specs of starting materials. In our current process, we bring together carefully sourced 4-bromobenzoyl chloride and anthranilic acid derivatives, ensuring no batch crosses contamination lines. We put in place exhaustive monitoring for moisture content and maintain reactor temperature control to prevent byproducts. Over multiple batches, we've learned that the yield hinges on water-free conditions and managing pH levels to stay within a tight window. Missing that mark raises impurity levels—something that is easy to overlook for those just blending chemicals, but in high-grade API or fine-chem work, cutting corners isn't an option.

    Optimal yields revolve around using high-purity solvents and keeping reaction vessels free from minor metal ions. Our workforce doesn't take shortcuts. They know that even small residues from previous syntheses can trigger side reactions, especially with the electron-withdrawing bromine on the ring. The amine function demands extra care to avoid oxidation or polymerization—areas that have tripped up even experienced teams. By tracking purity batch-to-batch through HPLC and mass spectrometry, we deliver product that meets strict criteria for clarity, melting point, and residual solvents.

    2-Amino-4'-Bromobenzophenone in Action: Where It Succeeds and Why Users Return

    In recent years, we have seen the most interest from laboratories and pilot facilities working with advanced heterocyclic synthesis, photo-curable resins, specialty dyes, and pharmaceutical building blocks. 2-Amino-4'-Bromobenzophenone offers a gateway to a wide range of downstream compounds. The amino group enables coupling reactions, such as amidation or Suzuki coupling, and the bromine acts as a ready handle for further functionalization or halogen exchange.

    Compared to plain benzophenone, this molecule takes basic scaffolding and makes it far more reactive. Many customers come to us after finding that other intermediates don't deliver the selectivity, or that their side reactions complicate the downstream work-up. With its unique structure, this product serves both as a nucleophilic partner in metal-catalyzed cross-coupling and as a foundation for more complex heteroaromatic compounds.

    We have worked with clients who push their yields past 90% in solid-phase peptide synthesis when switching from chlorinated to brominated benzophenones. Medicinal chemistry teams have told us their lead times improve significantly because the dual functionality shortens the synthetic pathway—they no longer have to first introduce an amine group and then halogenate separately, cutting out redundant purification steps.

    Model, Specs, and What Sets Our Material Apart

    We ship 2-Amino-4'-Bromobenzophenone under its core specification: chemical formula C13H10BrNO and a molecular weight near 276.13 g/mol. Each lot undergoes GC-MS, HPLC analysis, and strict checks for trace metals. Labs tell us that recurring issues with off-odors or color cast found elsewhere disappear with our batches. Our solid product presents as fine, off-white to light yellow crystals, and we maintain residual water well below 0.5% thanks to controlled drying rooms and silica packing.

    Every report compares favorably by melting point, spectral data, and impurity profile. We don't rely on generic supply chains. We use only verified, deeply vetted reagent vendors for each batch and keep every container dedicated to customer-ordered specs—no mixed-use bins or vague warehouse stocks. Shelf life reaches up to 24 months when sealed and stored under dry, inert gas. We have seen some competitors' stock degrade in less than half that time, sometimes from improper drum sealing or neglecting to purge containers, but our facility mandates hands-on inspection and quality data sheets delivered with each shipment.

    Comparing to Other Intermediates: Why 2-Amino-4'-Bromobenzophenone Stands Out

    A common question from technical teams centers on why use a brominated rather than a chlorinated or iodinated analog. In catalytic reactions, bromides often strike a better compromise between cost and reactivity—iodides fetch a higher price with only moderate gains in yield, and chlorides can require harsher conditions. The presence of the amino group broadens the downstream portfolio: peptide links, multiple heterocycle insertions, or use as an intermediate in light-sensitive resins for electronics and specialty coatings. The fewer steps needed in downstream synthesis directly reduce time, labor, and waste, which is always top of mind on production floors.

    Product quality doesn't exist in a vacuum. We monitor shelf stability by periodically sampling older lots. Recently, a three-year-old drum under inert gas showed unchanged melting point and impurity content—something supply chain specialists appreciate when building redundancy for critical projects. Unlike derivatives that suffer rapid hydrolysis, this ketone withstands some exposure to moisture, making it less fussy during storage and transfer. This is a relief for teams accustomed to babying air-sensitive boronic acids or anhydrides, as our team handles vacuum sealing, desiccant packaging, and nitrogen backfilling on all large orders.

    Handling, Packaging, and Lessons Learned

    Safe and consistent packaging makes a difference not only in research-scale but also in multi-ton operations. Our facility upgraded storage practices two years back following a round of field complaints about caking and minor cross-contamination. Now, we use lined drums for bulk and tamper-proof PTFE bottles for smaller quantities, ensuring each batch reaches its destination in a customer-ready state. Handlers wear full personal protective equipment and double-check weights, avoiding losses from bulk transfer.

    Chemical stability also ties directly to our approach during handling and transport. Too many stories circulate about chemical intermediates arriving with discoloration, solvent residues, or label discrepancies. Every time a complaint crosses our desk, we investigate root causes, adjust protocols, and update our staff. This attention to detail closes the gap between advertised specs and true lab results. It also reflects our awareness of both the tangible and reputational risks at play.

    Application in Medicinal, Electronic, and Photonic Sectors

    We don't just treat 2-Amino-4'-Bromobenzophenone as a line item. We picture each drum entering a lab, a cleanroom, or a production suite destined for complex heterocycle synthesis. In novel kinase inhibitor research, this intermediate anchors scaffold formations impossible with simpler benzophenones. Since it allows precise substitutions, it fuels growth in both exploratory small-molecule research and large-scale pilot campaigns.

    Resin manufacturers routinely call on our batches when high-performance durability is required, thanks to the electron-withdrawing bromine group enhancing rigidity and light stability. Photochemistry labs leverage its unique absorption profile for UV-cured adhesives and specialized coatings, and we've received feedback about the improved batch-to-batch reproducibility with our material compared to commodity alternatives. Even researchers experimenting with dye-sensitized solar cells and OLED materials have found advantages—namely, they deal with less background contamination and more predictable performance.

    We remain in touch with scientists testing this molecule as a cornerstone for anti-microbial and anti-inflammatory lead compounds. Projects built around other amino-benzophenones often run into reactivity walls or suffer poor solubility. The 4'-bromo configuration balances chemical accessibility, fundamentally altering both solubility and downstream modification potential. We've learned that clear communication about origin, handling, and actual chemical form—right down to the crystalline structure—drives the kind of trust researchers and production managers crave.

    Sustainability and Regulatory Context

    Daily, the world places greater weight on how chemicals are made, not just what they do. Customers now ask about precursor sourcing, waste reduction, and what happens to byproducts. 2-Amino-4'-Bromobenzophenone synthesis can result in halogenated waste if not controlled. Years back, runoff from similar reactions got flagged in industry audits, driving us to install recycling units that capture and process side streams. Those lessons help us safeguard both our operating license and neighborhood relationships.

    Where some plants simply dilute and discharge, we recover bromide and reuse it, cutting down raw feedstock requirements by up to 30% compared to older methods. We follow up with customers on any regulatory changes, from restrictions on brominated compounds to shifts in safety protocols. Regulatory requirements now often trace right to named intermediates, not just end products, so we keep up-to-date documentation at hand for all outgoing shipments. We want no surprises for downstream users, whether their models target 510(k) submissions or industrial audits.

    Challenges in Production: What Years on the Floor Taught Us

    No chemical process ever unfolds as textbooks promise. In our early days, batch yields sometimes fell below 50%, often because humidity triggers byproduct formation. Trained eyes watch for even a slight off-color or shadow in melting point curves as an early warning sign. Now, strict controls on environmental moisture and raw material validation block most common losses. Our team invested heavily in real-time monitoring gear, using both manual and automated checks. Each improvement followed a lesson learned the hard way—such as the loss of a full reactor charge to poor filtration, or realizing a new supplier's solvent carried trace contaminants we hadn't accounted for.

    Working with this intermediate taught us that scale brings different hurdles than those faced at bench scale. Agitator design, heat transfer, and even filter mesh sizes change what succeeds at scale. Each run gets tracked, logged, and revisited long after shipping. For new run-ups, chemists walk the line with operators, reviewing not just reaction notes but also air and water sampling results to head off deviations before they affect the next batch. It's never enough to hand over a sample—what matters is ensuring that tomorrow's lot holds up to the same scrutiny as yesterday's.

    Human Expertise Versus Automation: Real Decisions in the Lab

    We rely on automation, but it can't catch every odd result or spot the faint yellow tinge that sometimes hints at trace contaminants. That's why our shift supervisors constantly oversee both automated and manual controls, making judgment calls based on experience—reacting to true caustic levels, not what a dashboard screen reports. Operators spend hours double-checking data, calibrating analyzers, and investigating minor deviations from standard. No algorithm can yet match the intuition of a technician who knows the quirks of each batch or who senses when glassware or filters need swapping ahead of schedule.

    Our staff takes pride in seeing customers return with expanded orders after validating material in sensitive pharma or photonics applications. Even as automation improves efficiency, human senses and skilled hands anchor quality. Each production log not only documents test results, but also includes commentary from operators on how each run unfolded—providing a record that outlasts the learning curve and making every batch’s story part of the next improvement cycle.

    Listening to Feedback and Adapting to Real-World Use

    Researchers in labs, engineers on deployment sites, and QA teams send us feedback, and we take it seriously. One customer flagged a subtle shift in melting point during a long storage experiment. After reviewing our logs, we fine-tuned our drying protocol and adjusted the balance of desiccant in our packout process. Across dozens of tweaks, cumulative small improvements have raised average batch consistency, and the conversations with users keep us grounded in their changing needs.

    We make adjustments not just for big clients, but for small labs who run into shipping delays, last-minute formulation changes, or notice gritty particulates on rare occasions. This ongoing conversation enables us to keep refining both the intermediate itself and the way we produce, package, and deliver it. By building relationships founded on open feedback and real proof—Lab-to-factory and back again—we keep raising the standard for what 2-Amino-4'-Bromobenzophenone can offer.

    Conclusion: The Role of 2-Amino-4'-Bromobenzophenone in Creative Progress

    No intermediate drives progress alone. The value in 2-Amino-4'-Bromobenzophenone—what makes it compelling to both researchers and large-scale process chemists—grows from quality, openness to feedback, smart adaptation to technical challenges, and a relentless focus on reliability. From checked-off GCs in the lab to customer reviews in the field, each batch reflects both expertise and a willingness to dig deep when challenges arise. Its structure opens up shorter paths in synthetic chemistry, reduces downstream hassles, and has built a foundation customers know they can count on. Every drum shipped carries the work ethic of our team and the lessons learned over years of hands-on production, real-world setbacks, and steady improvement. That spirit, more than any data sheet, defines the true standing of 2-Amino-4'-Bromobenzophenone—both as a compound and as a commitment from our factory to the next round of innovation.