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Bromine Water [Bromine Content ≥3.5%]

    • Product Name Bromine Water [Bromine Content ≥3.5%]
    • Alias Bromine Water
    • Einecs 231-778-1
    • 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

    981015

    Chemical Name Bromine Water
    Bromine Content ≥3.5%
    Appearance Reddish-brown solution
    Molecular Formula Br2 in H2O
    Molecular Weight 159.808 g/mol (Br2)
    Odor Pungent, choking smell
    Solubility Soluble in water
    Density Approx. 1.04 g/cm³
    Ph Acidic
    Storage Conditions Store in a cool, well-ventilated place, away from light

    As an accredited Bromine Water [Bromine Content ≥3.5%] factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Brown glass bottle, 500 mL, sealed with a plastic cap; labeled with hazard symbols, product name, concentration, and safety warnings.
    Shipping Bromine Water [Bromine Content ≥3.5%] must be shipped in tightly sealed, corrosion-resistant containers. It is classified as a hazardous material (UN 1744), requiring appropriate labeling, documentation, and handling precautions. Transport should comply with relevant regulations (DOT, IATA, IMDG) to ensure safe shipment and prevent leaks, spills, or exposure during transit.
    Storage Bromine Water [Bromine Content ≥3.5%] should be stored in tightly closed, corrosion-resistant containers, preferably glass or compatible plastic, in a well-ventilated, cool, and dry area away from sunlight, heat, and incompatible substances such as organic materials or reducing agents. Storage areas should have appropriate spill containment, and containers must be clearly labeled to prevent accidental exposure or mixing.
    Application of Bromine Water [Bromine Content ≥3.5%]

    Applications of Bromine Water [Bromine Content ≥3.5%] in Industrial Manufacturing

    Our bromine water, formulated to a minimum specification of 3.5% bromine, supports a range of specialized industrial processes. Each application below reflects direct end-use cases validated by regulatory and sector-specific standards.

    1. Pharmaceutical Intermediates Synthesis

    Bromine water functions as a key halogenation agent in the preparation of active pharmaceutical ingredient (API) intermediates. Several molecules used in anti-infective, oncology, and CNS therapies rely on bromination steps to introduce or modify specific functional groups. Operators use tightly controlled batch reactors to add bromine during the initial or intermediate phases of synthesis, minimizing impurities and optimizing yield according to pharmacopeial guidelines.

    Industry compliance standards

    • Good Manufacturing Practice (GMP) – ICH Q7
    • European Pharmacopoeia (EP) specifications (latest edition)
    • United States Pharmacopeia (USP) standards
    • EDQM and FDA cGMP audit readiness

    Typical usage ratio

    • 0.8 – 2.5 molar equivalents depending on target molecule’s halogenation requirements
    • Ratio adjusted based on substrate reactivity and desired conversion rate

    Downstream process integration

    • Bromine water directly charged to stirred tank reactors after substrate dissolution and temperature stabilization
    • Followed by in-process QC sampling and waste quenching
    • Integration with batch traceability and documentation under GMP

    Final product types

    • Intermediates for cephalosporin antibiotics
    • Brominated aromatics for CNS actives
    • Chiral brominated building blocks
    • Precursors for API final steps

    2. Disinfection and Water Purification Chemicals

    Bromine water is used by specialty chemical manufacturers for producing brominated disinfectants and oxidizers. These downstream blends ensure advanced oxidation for municipal, industrial, and recreational water treatment. Quality control management ensures dosing supports safe, effective pathogen inactivation and complies with local water regulations.

    Industry compliance standards

    • NSF/ANSI Standard 60 Drinking Water Treatment Chemicals
    • EN 12671 (Europe) for chemical disinfectants
    • EPA FIFRA registration for biocidal products
    • ISO 9001:2015 for water chemical plants

    Typical usage ratio

    • 2 – 15% v/v as an active phase in oxidation chemical blending tanks
    • Ratio tailored to finished product concentration (e.g., bromine-based tablets or liquid concentrates)

    Downstream process integration

    • Introduced to mixing vessels with alkali for hypobromite or bromochlorodimethylhydantoin (BCDMH) synthesis
    • Continuous batch quality sampling for bromine titer
    • Process aligns with hazard controls for handling halogen gases

    Final product types

    • Swimming pool and spa disinfectant tablets
    • Brominated water treatment solutions for cooling towers
    • Municipal drinking water disinfectant blends
    • Marine and ballast water biocide formulas

    3. Synthesis of Flame Retardants

    Chemical producers utilize bromine water in the manufacture of brominated flame retardant agents, crucial for enhancing polymer fire resistance. The process requires careful monitoring to achieve halogen content targets and avoid unwanted side reactions. Finished retardants serve the plastics, textiles, electronics, and construction industries, matching region-specific toxicology compliance and performance standards.

    Industry compliance standards

    • REACH chemical registration and SVHC compliance (EU)
    • UL 94 – Standard for Tests for Flammability (US)
    • RoHS Directive 2011/65/EU for electronics
    • OEKO-TEX® Standard 100 for textiles (restricted substances)

    Typical usage ratio

    • 1.2 – 4% by weight relative to monomer/polymer feedstock
    • Adjusted based on desired bromine incorporation and substrate reactivity

    Downstream process integration

    • Added during the bromination of aromatic or aliphatic hydrocarbons
    • Post-bromination, process continues with neutralization, filtration, and drying
    • Comprehensive QA testing for residual bromine and flame retardancy

    Final product types

    • Brominated polystyrene and polyolefin powders
    • Decabromodiphenyl ether and alternatives
    • Textile flame retardant finishes
    • Circuit board brominated epoxy resins

    4. Analytical Reagents for Laboratory Testing

    Laboratory reagent suppliers use bromine water in analytical kits for the qualitative and quantitative detection of alkenes, phenols, and unsaturated compounds. The precise bromine concentration supports consistent reactivity for end-user laboratories in research, regulatory, and energy sectors. These reagents must maintain analytical purity in line with reference standards.

    Industry compliance standards

    • ISO/IEC 17025 accreditation for testing laboratories
    • Analytical reagent grade specification (e.g., ACS, ISO)
    • CLSI guidelines for clinical laboratories
    • GMP for lot traceability (pharmaceutical analysis)

    Typical usage ratio

    • Provided as ready-to-use solution at 3.5% or diluted as necessary (0.5 – 1.5% v/v typical in colorimetric analyses)
    • Final ratio depends on the test protocol and detection limits

    Downstream process integration

    • Supplied directly as reference reagent in QC laboratories
    • Used by analysts in standardized testing of petrochemical, pharmaceutical, and consumer product samples
    • Packaged in certified glass or high-density containers for stability

    Final product types

    • Colorimetric alkene/phenol detection kits
    • Calibration solutions for lab automation
    • Petroleum quality assessment reagents
    • Validated test panels for chemical research institutions

    5. Organic Fine Chemical Synthesis

    Bromine water acts as a selective brominating agent in the synthesis of fine chemicals, such as aroma ingredients, dyes, and specialty intermediates. Producers require high bromine purity to ensure target reactions proceed without excessive side-product formation. Quality assurance involves in-line monitoring and strict process control from raw material intake through final isolation and purification stages.

    Industry compliance standards

    • ISO 9001:2015 for chemical synthesis
    • European Directive 2008/98/EC regarding chemical handling (waste and emissions)
    • Product-specific purity standards from fragrance/dye regulatory authorities (IFRA, ETAD, etc.)
    • Certificate of Analysis (CoA) for critical-to-quality raw materials

    Typical usage ratio

    • Ranges from 1 – 6% volume-to-volume, with actual input set by stoichiometry and grade of desired substitution
    • Solvent and temperature effects require adjustment of addition rate and endpoint control

    Downstream process integration

    • Added during controlled addition step following pre-mix of substrate and solvent
    • Followed by aqueous workup, phase separation, and vacuum distillation
    • Data logged as part of manufacturing batch record

    Final product types

    • Bromoaromatic building blocks for colorants
    • Brominated esters for fragrance bases
    • Specialty intermediates for agrochemical synthesis
    • Fine chemicals for electronics and plating industries
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    Certification & Compliance
    More Introduction

    Bromine Water [Bromine Content ≥3.5%]: A Manufacturer’s Perspective

    Our Approach to Bromine Water Production

    Working directly at the manufacturing level, our commitment to quality calls for painstaking attention at every stage: source material, control of reaction conditions, and the final bottling. Bromine water stands as a foundational material inside labs and industrial plants everywhere. We produce Bromine Water with a minimum bromine content of 3.5%. That concentration is a deliberate choice, based on decades of feedback from both academic laboratories and industrial operations relying on consistent analytical outcomes.

    Everyone in our plant understands that bromine solutions must start with pure feedstock. Our process sources elemental bromine directly from controlled extraction lines. This prevents impurities, which commonly sneak in when bromine is recycled, from introducing variability—not just for color, but for reliability in end use. We never introduce stabilizers, coloring agents, or secondary halogens, as these can produce misleading test results and interfere with reactivity. The outcome is a clear, bright amber liquid that signals freshness and purity to any trained chemist’s eye.

    No batch leaves our site without test certification. The 3.5% bromine content means the material reacts exactly as expected: vigorous, prompt oxidation, and dependable color development with unsaturated organic compounds or reducing agents. Broader concentration spreads, common among brokers or repackagers, lead to inconsistent results in analytical chemistry. That’s never acceptable for research or production testing, so our QC practices remove that guesswork. The intent here isn’t to outdo “industry standard” on paper—it’s to keep a batch-to-batch consistency our end-users recognize immediately in their day-to-day procedures.

    What Differentiates Genuine Manufacturer-Grade Bromine Water

    Handling raw bromine demands expertise and hands-on care. There’s no substitute for direct experience in managing volatile chemicals—diluting bromine without the right techniques introduces unnecessary hazards and can damage the container matrix. Many traders and intermediary resellers overlook these technical necessities, leading to cloudy solutions, bromide contamination, or off-ratios that throw off results. Our production lines have invested in corrosion-tolerant containment and automated mixing vessels designed specifically for halogens. That means every batch of Bromine Water receives the same rigor, whether filling laboratory glass bottles or producing bulk lots for pilot plants.

    The context of usage shapes our processes as well. Bromine Water goes out to meet a range of applications, from organic laboratory testing—identifying alkenes and alkynes and distinguishing between aromatic and aliphatic compounds—to industrial processes like gentle oxidative cleaning and selective halogenation. The consistency in bromine content means a technician or chemist can rely on visible changes: persistent coloration indicates completion, both in manual titrations and in automated system monitoring. As a manufacturer, we know from our technical support desk that inaccurate or fluctuating reagent strength frustrates workers and causes reordering delays due to failed quality tests. That’s why our aim is not only to meet the label requirement but to protect our users’ time and trust.

    In small-scale and quality control labs, Bromine Water operates as a direct functional test material. Typical examples include adding our reagent to a hydrocarbon sample: if unsaturation is present, rapid loss of color signals a double or triple bond. This seems simple, yet every chemist will confirm that under- or over-concentrated solutions create ambiguity. This is more than inconvenience—it can lead to poor decision-making on larger production batches. In teaching settings, the clarity and swiftness of reaction are instructive, letting students observe core organic reactions without error from mediocre chemicals.

    Manufacturing Specification Choices and End-Use Considerations

    The 3.5% minimum bromine selection is not arbitrary. We have seen this concentration function as a practical midpoint: strong enough for rapid organic or inorganic analysis, mild enough to manage safely with standard PPE in teaching and QA labs. Stronger solutions capture rapid kinetics but dramatically increase vapor hazard, require heavier containment, and accelerate degradation if light or heat is present. Manufacturers producing at the source can control these parameters—diluting with distillate water under strict exclusion of air—while middlemen often produce from bulk stock or imported solid-state forms, risking variable quality and contamination.

    Our technicians regularly calibrate dilution gear and test in-line feeds, measuring not only total bromine via direct titration, but also side impurities such as bromide or perchlorate ions. These off-spec contaminants, often seen in reseller material, come from storage in polyolefin drums or reconstituted solutions from off-shore sources. Maintaining traceability through every batch guarantees our clients see exactly the concentration we promise. We can trace any product back to the very extraction and dilution steps, which is impossible with third-party resellers.

    The bottle or drum used in packaging can influence the outcome as well. Bromine Water attacks many container plastics and even taints glassware over time if not properly prepared. We use lined closures and UV-stabilized containers—tried and tested through years of plant logistics experience—so the solution the user receives functions at full specification months down the line, not just the week after production. These technical choices stem not from cost engineering but from real conversations with laboratory managers and plant chemists who have faced failed tests and material degradation due to bottle or cap incompatibility.

    Common Usage Scenarios and Value to Industries

    Bromine Water’s core function in the laboratory comes down to its role as an organic functional group test reagent. New chemical syntheses in research and process labs often include a “bromine water test” as a check for unsaturation or to confirm complete transformation of an alkene feedstock. Reliable results here mean huge savings downstream: a mistaken “negative” leads to impure product, wasted effort, or the need for expensive chromatographic purification. We’ve worked with customers in pharmaceutical, petrochemical, and academic settings where even one bad batch of low-concentration or degraded bromine water disrupted bench schedules and project timelines.

    Industrial users apply Bromine Water for mild oxidative applications. This includes surface preparation in electronics manufacture, gentle oxidation steps in dye synthesis, and non-destructive analysis in environmental sampling. In every case, the goal is to apply bromine without excessive corrosiveness or waste. Repackaged, uncontrolled solutions lead to over-oxidation, equipment damage, or the need for constant recalibration. At manufacturer scale, we maintain test labs emulating customer use patterns, ensuring our product withstands typical workplace handling, open bottle syndrome, and long-term storage. We exchange technical feedback routinely with field users, incorporating suggestions and sharing test data to refine recommended use protocols.

    Education lies behind every stable chemical reagent. In teaching labs at universities and technical colleges, a vivid color change from fresh Bromine Water makes core organic chemistry concepts tangible. A sub-par solution, “brownish” or already decomposing, can confuse not only students but their instructors. Our plant QA team supplies demonstrator sets for major laboratories and tests fresh sample bottles before every academic term, acting on the seasonal cycling of demand from schools and training centers.

    Comparing Bromine Water [≥3.5% Bromine] to Other Halogen Test Solutions

    Bromine water is not a generic halogen solution. Compared to chlorine or iodine water, its intermediate reactivity presents a safer, more practical compromise. Chlorine solutions are more aggressive oxidants, creating greater hazard and causing unwanted byproduct formation in organic material testing. Iodine water, on the other hand, presents a milder option, with limited reactivity that misses many targets. Choosing bromine at the manufacturer level enables tuning: at 3.5%, the water captures forward reactions, giving obvious, visible outcomes and enabling swift, reliable teaching and auditing.

    Other bromine products, like bromine vapors or liquid bromine for industrial purpose, demand much stricter safety regimes. These forms require negative-pressure hoods or process lines to avoid immediate risk to operators and bystanders. Even commercial sodium bromide or potassium bromide solutions, while useful in some cases, lack the oxidizing power and visual cues necessary for education and organic testing. Our bromine water at this concentration targets both safe handling and reliable results—a balance forged through years of direct user conversations and multiple pilot runs.

    Quality, Safety, and Environmental Considerations—A Direct Manufacturer’s View

    Safeguarding user health and minimizing environmental impact run alongside purity and labeling at the top of our priorities. Production of bromine water at scale has taught us practical lessons about worker exposure, risk management, and safe packing. Each production shift adheres to ventilated lines, leak monitoring, real-time bromine vapor detection, and sealed filling environments. Down the supply chain, our bottles undergo pressure testing and tamper evident sealing, preventing exposure during transit or storage.

    Wastewater and runoff from our processes go through redox neutralization cells before release, ensuring bromine and bromide levels meet regulatory requirements even before final discharge. Any defective or off-specification bromine water, instead of entering the resale or secondary market, returns to an on-site closed loop for neutralization and safe recovery. These steps prevent pollution and maintain the safety record that both workers and clients depend on. Because we answer directly to our clients, our incentive runs toward minimizing risk—not just checking regulatory boxes.

    Our technical teams routinely survey bromine exposure in the laboratory environments of our largest users. Direct feedback pushes our R&D group to keep containers robust and easy to open, while limiting fume emissions and maintaining transport safety, even as regulations shift globally. The knowledge that hundreds of workers handle our product each month keeps safety and environmental protection at the center of our continuous improvement process. We have seen poor practice from repackagers cause both near-miss exposures and legal headaches for end users—further proof that direct manufacturer controls offer peace of mind beyond simple compliance.

    Ongoing Challenges and Industry Solutions

    The world market for halogens cycles with fluctuations in both raw material pricing and transport regulation. We have weathered bans on certain packaging materials, new ADR transport requirements, and changing demand curves in industrial halogen chemistry. Our advantage, as a frame-to-frame manufacturer, is the ability to tune batch sizes and manage short lead times by controlling both extraction and dilution. No reliance on outside brokers shields us from swings in global commodity pricing or supply chain disruption.

    Distributors and third-party handlers, separated from production, can’t guarantee the same level of documentation or consistency. We regularly see returned samples and field complaints from customers who tried “bargain” solutions, only to find failing test outcomes or leaks due to poor packaging materials. By maintaining lines of communication with every user segment—from medical labs to specialty chemical plants—we catch shifts in preferred specifications and regulatory climate early. This rapid feedback cycle brings continuous improvement and limited waste—a story visible in our repeat order rates and long-term customer relationships.

    Ongoing challenges across the sector include changing environmental limits for bromine discharge, evolving personal safety standards, and the technical requirements for remote handling and disposal. Our technical teams invest in preemptive hazard management, working alongside regulatory consultants and customers’ safety officers to align our operations with the future direction of chemical safety science. We host regular workshops and training for major regions, passing along our plant’s direct experience and updating protocols based on real events, not classroom hypotheticals.

    Summary: Why Manufacturer-Grade Bromine Water Matters

    All chemicals carry risk, but the right production controls deliver safety, reliability, and value to those who depend on clear, consistent reagent performance. Our process for Bromine Water [Bromine Content ≥3.5%] keeps both the material and our relationships with clients as transparent as the solution itself. Open communication, steady documentation, and year-on-year consistency stand behind every shipment. Where brokers and resellers offer labels and promises, a genuine manufacturer brings accountability, deep technical knowledge, and a tested product designed for real labs, real processes, and real safety.

    Every worker in our plant knows that a bottle of bromine water carries more than a chemical; it carries the weight of trusting decision-makers in laboratories, schools, and industrial production sites. That trust has to be earned, not once, but with each new batch. Our Bromine Water [Bromine Content ≥3.5%] keeps test results dependable, supports education, and lets industry move forward with clarity and confidence.