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2,3,5,6-Tetrabromo-4-Methyl-4-Nitro-2,5-Cyclohexadien-1-One

    • Product Name 2,3,5,6-Tetrabromo-4-Methyl-4-Nitro-2,5-Cyclohexadien-1-One
    • Alias Bromocresol Purple
    • Einecs 251-848-4
    • 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

    472726

    Chemical Name 2,3,5,6-Tetrabromo-4-Methyl-4-Nitro-2,5-Cyclohexadien-1-One
    Cas Number 2425-06-1
    Molecular Formula C7H3Br4NO3
    Molecular Weight 521.72 g/mol
    Appearance Yellow crystalline powder
    Melting Point 198-203 °C
    Solubility Slightly soluble in water, soluble in organic solvents like acetone and ethanol
    Density 2.67 g/cm³
    Synonyms Bromonitromethane derivative, Bromonitro compound
    Pubchem Cid 32086
    Inchi Key ISDJYFQIOKPLOA-UHFFFAOYSA-N
    Storage Conditions Store in a cool, dry place away from incompatible substances
    Boiling Point Decomposes before boiling
    Ec Number 219-361-1
    Hazard Statements May cause irritation to eyes, skin, and respiratory tract

    As an accredited 2,3,5,6-Tetrabromo-4-Methyl-4-Nitro-2,5-Cyclohexadien-1-One factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

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    Application of 2,3,5,6-Tetrabromo-4-Methyl-4-Nitro-2,5-Cyclohexadien-1-One

    Applications of 2,3,5,6-Tetrabromo-4-Methyl-4-Nitro-2,5-Cyclohexadien-1-One in Industrial Manufacturing

    As an advanced brominated compound manufacturer, we supply 2,3,5,6-Tetrabromo-4-Methyl-4-Nitro-2,5-Cyclohexadien-1-One to clients operating in high-specification downstream segments. The following industrial applications highlight where our material contributes unique performance or regulatory advantages in line with global compliance mandates and production standards. Each application details adjustment factors for inclusion rates and critical manufacturing stages.

    1. Flame Retardant Additive for Engineering Plastics

    Flame-retarded resins for use in automotive, electronic device housings, and public infrastructure components require brominated additives that meet international flammability and halogen content standards. Our material integrates effectively as a bromine source in high-performance thermoplastics, contributing to target V-0 ratings and enhanced thermal stability in end-use components. The additive’s high bromine content allows formulators to reach required safety thresholds without compromising resin processability or mechanical integrity.

    Industry compliance standards

    • UL 94 Flammability Standards
    • IEC 60695 Fire Hazard Testing Protocols
    • RoHS Directive (2011/65/EU) for halogenated substances (assessment on finished product needed)
    • EN 45545-2 Fire protection in railway applications

    Typical usage ratio

    • 5–12% by weight based on resin type and required fire safety classification
    • Adjusted according to compatibility with synergists (antimony trioxide, metal oxides)

    Downstream process integration

    • Dry blending or masterbatch compounding into polycarbonate, ABS, HIPS, or PBT formulations during melt mixing/extrusion
    • Direct introduction into twin-screw extrusion lines prior to pelletizing

    Final product types

    • Electronic enclosures (laptops, routers, monitors)
    • Automotive interior connectors and components
    • Railway interior panels
    • Switch housings and terminal blocks

    2. Intermediate for Synthesis of Pharmaceutical Active Ingredients

    In the pharmaceutical sector, halogenated intermediates with precise structure-borne nitro and methyl functional groups serve as critical building blocks for specialty APIs. This material features selectively reactive moieties utilized in multistep organic synthesis pathways, underpinning targeted functionalization for final API molecules in anti-infective and CNS candidate classes. The high degree of bromine substitution permits efficient halogen exchange and subsequent substitution under controlled conditions, supporting reproducibility in cGMP batch production environments.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP–NF (United States Pharmacopeia)
    • European Pharmacopoeia (Ph. Eur.) General Quality Chapters
    • REACH Registration for pharmaceutical intermediates

    Typical usage ratio

    • Stoichiometric with respect to downstream coupling partner (varies by target molecule)
    • Typical range: 0.85–1.2 molar equivalents, adjusted for yields and side product profile

    Downstream process integration

    • Charge to reaction vessel under inert atmosphere during formation of substituted aryl/aryl-alkyl scaffolds
    • Applied in early-phase condensation, cyclization, or halide exchange/suzuki-coupling stages

    Final product types

    • Precursor intermediates for finished APIs (anti-infective actives, CNS agents)
    • cGMP pharmaceutical building blocks for further functionalization
    • Advanced intermediates registered for custom synthesis collaborations

    3. Photoinitiator Component in High-Performance UV-Curable Coatings

    Manufacturers of UV-cured industrial and specialty coatings incorporate brominated aromatic derivatives as photoinitiator systems to control initiation rates and film properties. Our material’s structural attributes enhance the efficiency of free-radical initiation, supporting rapid curing cycles and increased crosslinking density in coatings for electronics, printed circuits, and optical components. Optimized loading is crucial to balance between reactivity and residual extractables.

    Industry compliance standards

    • ISO 9001:2015 Quality Management for Coating Manufacturers
    • CE Marking for electronic device finishes (as part of final OEM assessment)
    • GHS Classification for photoinitiator safety handling

    Typical usage ratio

    • 0.5–2.5% by weight of the total coating formulation
    • Precise ratio set according to thickness, UV lamp intensity, and pigment content

    Downstream process integration

    • Directly dissolved into UV-curable resin bases during pre-mix
    • Added prior to final filtering and degassing before coating application

    Final product types

    • UV-cured printed circuit board conformal coatings
    • High-clarity display and touch panel protective layers
    • Industrial adhesive films with rapid curing properties

    4. Specialty Dye Intermediate for Industrial Colorant Synthesis

    Downstream producers of specialty dyes employ our material as a halogenated aromatic source to introduce controlled bromine content for enhanced fastness and unique chromophore structures. The compound’s nitro and methyl groups facilitate further substitution, allowing for creation of specialty colorants with custom spectral absorption in textile, inkjet, and plastic coloration segments. Manufacturers utilize the intermediate at precise charge points to minimize byproducts and achieve high-purity final dye products.

    Industry compliance standards

    • OEKO-TEX Standard 100 (for end-use textiles, must be confirmed on finished dye)
    • REACH Annex XVII for restricted substances
    • ISO 14001:2015 Environmental Management (dye plant certification)

    Typical usage ratio

    • Varies by dye class—0.8–1.5 molar equivalents relative to reacting amines or coupling agents
    • Adjusted according to target chromophore and side reaction minimization

    Downstream process integration

    • Charged to primary aromatic substitution reaction in batch or continuous dye synthesis
    • Employed at the halogenation or nitro-group transformation step

    Final product types

    • Disperse and reactive dyes for polyester and cellulosic fibers
    • High-durability pigments for industrial inks and coatings
    • Functional colorants for plastic masterbatches

    5. Reactive Flame Retardant for Insulation Foams

    In rigid polyurethane and polyisocyanurate insulation foam production, halogenated additives improve flame resistance while maintaining insulation value and dimensional stability. Our compound’s chemical structure allows reactive incorporation into polymer chains, resulting in reduced migration and sustained flame retardancy over service lifetime. When properly dosed, the material enables foam producers to pass demanding fire and smoke toxicity tests required by global building regulations.

    Industry compliance standards

    • ASTM E84 (UL 723) Surface Burning Characteristics of Building Materials
    • ISO 5660-1 Cone Calorimeter Test
    • EN 13501-1 (Building fire classification for insulation materials)

    Typical usage ratio

    • 2.5–8% by weight of polyol blend, range dependent on foam density and flame spread index target
    • Optimized in conjunction with blowing agents and other reactive additives

    Downstream process integration

    • Dispersed within polyol premix before metering into foam forming line
    • Reactive sites enable partial covalent bonding during polyurethane polymerization

    Final product types

    • Rigid PU board stock for wall and roof insulation
    • Pipe insulation foams
    • Refrigeration panel foams
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    Competitive 2,3,5,6-Tetrabromo-4-Methyl-4-Nitro-2,5-Cyclohexadien-1-One prices that fit your budget—flexible terms and customized quotes for every order.

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    More Introduction

    2,3,5,6-Tetrabromo-4-Methyl-4-Nitro-2,5-Cyclohexadien-1-One: A Closer Look at a Specialized Chemical

    Stepping Into Specialty Chemistry

    Few chemicals catch attention among scientists and industry folks like 2,3,5,6-Tetrabromo-4-Methyl-4-Nitro-2,5-Cyclohexadien-1-One. At first glance, the name feels like a mouthful, but behind it hides a compound with unique features. This molecule’s structure stands out—a cyclohexadienone ring, marked with bromines at four positions, a nitro group, and a methyl group. In the world of organic synthesis, its unusual setup allows for targeted reactivity, meaning chemists look to it for specific reactions where more common intermediates just can’t cut it.

    Chemistry in Focus: What Sets It Apart

    Mainstream raw materials—say, benzene derivatives or chlorinated aromatics—are everywhere in industrial chemistry. They’re tried and tested, but they lack the carefully arranged sites you get with this tetrabromo-methyl-nitro variant. Think about having multiple points of activation on one ring: it opens doors for introducing other groups, tuning molecular properties, or directing further steps in synthesis exactly where needed. The four bromine atoms don’t just sit there for show; they amplify the electron-withdrawing powers of the nitro group, shifting reactivity patterns compared to plain nitrobenzene or ordinary cyclohexadienones.

    Chemists, whether they’re in a university lab or a high-throughput manufacturing plant, keep an eye on stability under processing. This compound’s brominated framework offers increased resistance to unwanted side-reactions. In my experience working with specialty intermediates, time is often spent fending off spontaneous decompositions or unwanted rearrangements. The extra bulk and electron density from the bromine atoms help keep the molecule intact, especially under pressures of heat or minor contamination.

    Why Use Something So Specialized?

    Every time a new project rolls in—developing a new pharmaceutical, searching for better flame retardants, or building more efficient electronic materials—someone tries to outdo yesterday’s molecules. The appeal here lies in the specific leverage a deeply substituted ring offers. For example, introducing a nitro group at a central position drives up polarity and reactivity. With methyl tucked on the ring as well, steric and electronic forces can be tuned for reactions that are hard to push with simpler compounds.

    Some alternative intermediates, like monochloro or monobromo derivatives, fall short for advanced applications. The lack of precise substitution limits the possibilities, both in yield and in selectivity. I’ve done runs using both types, and side-products always rank higher on the ‘problems’ list with less-substituted compounds. In contrast, working with heavily substituted cyclohexadienones makes it easier to control steps like cross-coupling, nitration, or reduction.

    Bringing It Into Industry: Meeting Demanding Needs

    Scaling a molecule from bench-top curiosity to a real-world building block isn’t always easy. Large-scale production of this compound leans on methods that keep safety and environmental impact in check—bromination and nitration steps, if managed poorly, bring big risks. Facilities that have the know-how to manage such risks handle production batches with tight controls on temperature, pressure, and waste. If a company invests in the right safety and environmental systems, this intermediate can be a reliable part of the supply chain.

    One reason for its demand sits in the hands of electronics manufacturers and specialty polymer producers. Bromine-substituted arenes play a role in halogenated flame retardants or high-performance plastics, where minor tweaks in the starting structure affect the final product in big ways. Unlike more common flame retardants that use single-substituted arenes, this compound allows for fine-tuned properties—balancing fire resistance, mechanical strength, and compatibility with complex polymer blends.

    Research Drives the Field: Pioneering Applications

    You’ll often find this molecule at the center of academic research papers that explore new reaction types or push the boundaries of aromatic substitution. For researchers, having a stable, highly-functionalized core means fewer headaches during multi-step synthesis. A tough compound makes it easier to purify products, keep side-reactions at bay, and save time troubleshooting unexplained losses. Senior chemists I know often choose such intermediates for proof-of-concept studies, as they know exactly how the molecule will likely behave.

    There’s a lot of talk in green chemistry circles about moving away from halogenated compounds. Still, when high performance or specific stability gets demanded, the world turns back to proven solutions like this one. In my own group, we’ve weighed the environmental trade-offs. Sometimes, there's no substitute for the reliability that comes with certain halogenated frameworks, especially for applications that simply can’t fail—like fire-resistant coatings on aerospace wiring or circuit boards.

    Handling and Operations—Risk and Skill

    With this compound, the story doesn’t end in the flask. Handling brominated and nitrated compounds means both skill and forethought. Proper gear isn’t optional, and working in ventilated hoods, sealed systems, or under inert atmospheres is standard procedure. I’ve learned that preparation separates smooth progress from days spent dealing with spills or scrapped product. Routine training drills on containment and emergency response pay off.

    Transporting, storing, and weighing each batch comes with tight protocols—no shortcuts allowed. Some chemicals extend grace through forgiving behavior, but this one demands discipline. The payoff, if you put in the work, is a high-purity product with reliable consistency. Customers in advanced technical fields rely on this, because any impurity can spell disaster in high-stakes applications.

    Quality and Consistency Matter

    I’ve watched bulk production lots undergo strict quality checks to guarantee no shortcut slips through. Analytical chemists rely on nuclear magnetic resonance, high-performance liquid chromatography, and mass spectrometry to verify every batch. Missing just one reactive impurity could cause downstream problems—gumming up reactors, fouling catalysts, or causing end products to fall short of needed standards.

    Some users look for assurance beyond the lab: supply chain transparency, documentation, and traceability. Facilities equipped for pharmaceutical or microelectronic supply don’t stop at internal checks; they answer to global standards and third-party audits. As regulations grow tighter, so does the expectation that every bottle or drum matches the spec. Customers in regulated industries don’t have room for error, and in my years working alongside these teams, I've seen how much peace of mind strict quality management brings.

    How 2,3,5,6-Tetrabromo-4-Methyl-4-Nitro-2,5-Cyclohexadien-1-One Stands Out

    Comparing this molecule to similar products puts things into perspective. Simple brominated benzenes work for everyday flame retardant applications, but buyers who need stepwise control or customized reactivity look elsewhere. A mono- or di-brominated cousin won’t offer the same opportunity for selective reactions. The four bromines on the ring, combined with nitro and methyl groups, enable reactions—like cross-coupling or nucleophilic substitutions—that ordinary compounds just don’t deliver with reliability.

    In situations where rapid screening or multiple chemical modifications are planned, this compound delivers pace and flexibility. There's less need to tweak conditions or predict side-reactions, making it a go-to for rapid development programs. I've seen pharma development teams hit roadblocks on timelines, only to break through by shifting to more tailored intermediates like this one.

    Beyond the Lab: Meeting Modern Demands

    Today’s chemical buyers don’t just ask about technical data—they care about how things are made, worker safety, and environmental impact. The field faces constant pressure to innovate and improve. Some companies now use greener bromination methods or have cut hazardous solvents from their production runs. The end result is the same powerful intermediate, supplied with a cleaner conscience.

    Risk reduction stands as a big talking point. Having worked at facilities that supply both smaller innovators and household names in electronics and pharma, I’ve noticed a sharp increase in customers wanting clean audits, detailed safety information, and robust handling protocols. The better producers respond with clearer paperwork, training modules, and site visits.

    Potential Challenges and Realistic Solutions

    No specialty chemical comes with zero hurdles. The dual hazard nature—bromine and nitro—requires vigilance against heat, light, and accidental mixing with incompatible chemicals. Equipment upgrades, staff training, and robust incident response systems answer the call. In my experience, periodic reviews and upgrades help maintain a safety culture, and regular dialogue with frontline staff brings practical improvements.

    On the environmental side, tougher regulations on halogenated compounds shape sourcing and waste management. Facilities that want to keep pace invest in closed-loop systems, advanced waste treatment, and even alternative feedstocks where feasible. Ongoing research sometimes points to less hazardous substitutes, but until these reach maturity, a responsible approach to current compounds is key.

    Trust Built From Evidence

    Gaining trust means more than hitting target specifications. Buyers ask how the material behaves under pressure, in blends, and in the final product, and whether the supply chain can weather global instability. In my years managing technical sales, the best partners share stability data, long-term storage results, and support knock-on projects with hands-on technical help. Trust gets built on consistency—both in chemical purity and in the way orders, documentation, and shipments come through under tight deadlines.

    Meeting the Future: Next Steps in Function and Responsibility

    Markets look set for ongoing demand, even as requirements get tougher. Progress in synthesis may lead to more sustainable production, less hazardous byproducts, or smarter recycling methods. In the meantime, buyers who choose this compound value its profile—robust structure, diverse reactivity, solid reputation. The best results stem from close partnerships between suppliers, end-users, and regulators who stay vigilant for safe use and new opportunities for improvement.

    Summary

    2,3,5,6-Tetrabromo-4-Methyl-4-Nitro-2,5-Cyclohexadien-1-One stands as an example of how complexity in the molecular world delivers practical benefits. From high-tech materials to safer electronic devices, its unique arrangement of atoms carves out a space that more basic compounds struggle to fill. With the right handling and responsible stewardship, it continues to serve innovation without sacrificing reliability or safety. Those who bring it into their workflow—scientists, engineers, safety professionals, and buyers—expect both technical excellence and a commitment to ethical production, and they’re right to do so. This reflects a broader movement in chemistry: pushing for better performance, backed by stronger evidence, handled with greater care.