Products

Mercurous Bromide

    • Product Name: Mercurous Bromide
    • Alias: Dimercury dibromide
    • Einecs: 236-718-6
    • Mininmum Order: 1 g
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: admin@ascent-chem.com
    • Manufacturer: Ascent Petrochem Holdings Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    245699

    Chemical Name Mercurous Bromide
    Formula Hg2Br2
    Molar Mass 561.08 g/mol
    Appearance White to pale yellow powder
    Density 7.35 g/cm3
    Melting Point 237 °C (decomposes)
    Solubility In Water Insoluble
    Cas Number 7789-34-6
    Pubchem Cid 24545
    Crystal Structure Tetragonal
    Odor Odorless
    Stability Decomposes on exposure to light

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

    Packing & Storage
    Packing Mercurous Bromide, 100g, is supplied in a sealed amber glass bottle with a secure screw cap, labeled with hazard warnings.
    Shipping Mercurous Bromide should be shipped in tightly sealed containers, protected from moisture and light, and labeled as hazardous. Transport is typically via ground, following regulations for toxic and environmentally hazardous materials. Ensure materials comply with local, national, and international shipping laws, such as DOT or IATA guidelines. Handle with appropriate safety precautions.
    Storage Mercurous bromide should be stored in a cool, dry, well-ventilated area away from direct sunlight. Keep the chemical in tightly sealed, labeled containers, preferably made of glass or compatible materials. Store away from acids, strong oxidizers, and incompatible substances. Prevent exposure to moisture and avoid high temperatures to minimize decomposition or hazardous reactions. Always follow appropriate chemical safety regulations.
    Application of Mercurous Bromide

    Applications of Mercurous Bromide in Industrial Manufacturing

    Mercurous bromide (Hg2Br2) plays a selective but critical role in specific technologically advanced manufacturing industries, thanks to its unique physical and chemical properties. The following sections illustrate our direct supply experience supporting major clients in the sensor engineering, photonics, analytical instrumentation, and specialty material fabrication sectors. Our technical guidance ensures quality consistency, process efficiency, and regulatory compliance for each exacting application.

    1. Infrared Sensor Element Production

    In the fabrication of precision infrared sensors, Hg2Br2 functions as a crucial photoconductive substrate material. Leading manufacturers utilize its characteristic bandgap and infrared response for optimal sensitivity in detector arrays. Normally, the compound becomes a core component via high-purity synthesis and deposition processing, directly impacting yield and long-term performance stability in finished sensors.

    Industry compliance standards

    • RoHS Directive 2011/65/EU (mercury exemptions for qualified sensor elements)
    • IEC 62321 (sample preparation and chemical analysis standards for hazardous elements)
    • ASTM E3010 – Standard Guide for Preparation of Sensor Grade Materials

    Typical usage ratio

    • 85–95% in compound semiconductor substrate matrices; precise ratio tailored for sensor response calibration and doping compatibility

    Downstream process integration

    • Introduced as high-purity powder or fused crystal during substrate deposition or crystal growth (e.g., Bridgman or Czochralski technique); incorporated before thin-film photolithography

    Final product types

    • Thermal imaging arrays
    • Gas-sensing infrared detectors
    • Military-grade night vision modules
    • Process control photodetectors

    2. Precision Optical Filter Fabrication

    Hg2Br2 crystals exhibit unique transmission properties in the infrared and near-infrared spectrum, making them indispensable in high-performance optical filters. Downstream manufacturers depend on this material for narrow bandpass filters where fine control of wavelength selectivity is essential, particularly in analytical and medical diagnostic instrumentation.

    Industry compliance standards

    • ISO 9001:2015 and ISO 13485:2016 (Quality management for optical/medical device fabrication)
    • IEC 60825-1 (Laser product safety for optoelectronic modules)
    • ANSI Z80.7 (Optical and physical performance requirements for optical filters)

    Typical usage ratio

    • Single-crystal components comprise 100% Hg2Br2; for thin-layer composite filters, 10–30% by weight with matrix supports

    Downstream process integration

    • Processed via controlled zone-melting then cut and polished; lamination or vacuum deposition onto pre-aligned filter assemblies in controlled environments

    Final product types

    • Spectroscopic bandpass filters
    • Medical imaging filter sets
    • Analytical instrument monochromators
    • Remote sensing equipment filters

    3. Reference Electrode Manufacturing for Electrochemical Analysis

    Mercurous bromide, with its stable half-cell potential, is essential in the manufacture of Hg2Br2/Br reference electrodes for precise electrochemical measurements, especially in laboratory and industrial process controls. Use in this application demands tight control of particle size, purity, and packing methods to ensure reproducibility and extended electrode life cycles.

    Industry compliance standards

    • ASTM E287-02 (Standard Specification for Reference Electrodes)
    • ISO/IEC 17025 (Testing and calibration laboratory competence)
    • International Union of Pure and Applied Chemistry (IUPAC) Guidance on Reference Electrodes

    Typical usage ratio

    • Usually forms >90% of the packed electrode active mass; minor inert binders may be employed depending on housing geometry

    Downstream process integration

    • Packed in glass or polymeric reference electrode tubes after calibration; sealed with suitable electrolyte solution for direct integration into potentiometric analysis stations

    Final product types

    • Laboratory-grade reference electrodes
    • Process monitoring probes for chlor-alkali and electroplating plants
    • Portable field potentiometric units

    4. Specialty Radiation Detection Device Assembly

    In nuclear physics and radiological instrumentation, Hg2Br2 serves as a detection medium in certain secondary-emission and ionizing radiation detectors, valued for its high density and electrical responsiveness. Appropriately prepared material ensures accurate calibration, low drift, and high discrimination in finished sensor units.

    Industry compliance standards

    • IEC 61526:2010 (Radiation protection instrumentation: Measurement and monitoring)
    • ANSI N42.17A (Performance Criteria for Portable Radiation Detection Instruments)
    • ISO 11929 (Measurement of Ionizing Radiation: Detection Limit)

    Typical usage ratio

    • Ranges from 60%–98% as active detection mass, adjusted for device type and sensitivity requirements; purity directly impacts signal-to-noise

    Downstream process integration

    • Compounded and encapsulated as the active layer within sealed detection modules under inert atmosphere; assembled into device boards prior to calibration

    Final product types

    • Portable ionizing radiation detectors
    • Laboratory dosimetry counters
    • Special-purpose industrial monitors

    5. Monochromator and Prism Component Engineering

    Manufacturers of specialized optical instruments use Hg2Br2 as the working medium in precision monochromators and dispersive prisms, taking advantage of its high refractive index and transparency in select UV-visible-IR ranges. The demand for uniform morphology and internal defect control directly influences device resolution and output fidelity.

    Industry compliance standards

    • DIN 58145 (Quality standards for optical glass and crystal components)
    • ASTM F79-08 (Standard Terminology Relating to Materials for Optoelectronics)
    • ISO 10110 (Optics and photonics – Preparation of drawings for optical elements and systems)

    Typical usage ratio

    • Pure single-crystal form, 100% by mass for core prism/monochromator component; no dilution with extraneous phases allowed

    Downstream process integration

    • Grown and cut to precise angles; surfaces polished and mounted in tunable assemblies; undergoes final cleaning and QC before optical system integration

    Final product types

    • Analytical monochromators
    • Laser diagnostic dispersive optics
    • Calibration-grade prism assemblies
    Free Quote

    Competitive Mercurous Bromide prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please contact us at +8615365186327 or mail to admin@ascent-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615365186327

    Email: admin@ascent-chem.com

    Get Free Quote of Ascent Petrochem Holdings Co., Limited

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

    Certification & Compliance
    More Introduction

    Introducing Mercurous Bromide: Quality and Proven Performance from Direct Manufacturer

    A Manufacturer’s Perspective on Mercurous Bromide

    Making chemicals is not about filling catalogues or pushing out stock to distant hands. It demands care at every stage—from sourcing raw mercury and bromine, all the way to shipping clean, pure mercurous bromide. Our facility works with Hg2Br2, a light yellow, odorless solid famous in demanding optics and scientific applications. We take pride in the fact that all batches of mercurous bromide leave our lines with consistent crystals, minimal trace metallics, and a narrow particle size distribution designed for researchers and engineers who have staked their work on repeatable results.

    Understanding the Substance

    With experience echoing through our production floors, it pays to remember how mercurous bromide stands apart. Its chemical formula is Hg2Br2. Here, each molecule pairs two mercury atoms with two bromide ions—a configuration that resists dissociation under room conditions, making it distinct from mercuric bromide, which carries the formula HgBr2 and acts with greater reactivity. Mercurous bromide’s stability is critical for optical-grade crystals used in far-infrared applications, where unpredictable reactivity would undermine reliability.

    We have seen years of research hinge upon precise optical responses in the 15–50 micrometer range, especially for use as monochromators or beamsplitters in Fourier-transform infrared spectrometers. Researchers often request our Hg2Br2 single crystals, cut and polished to spec for minimal scattering losses. Shards, ground powders, or irregular crystals just do not cut it where instrument calibration or sensitivity falls within tight margins. Mercurous bromide’s transparency in these wavelengths gives it an advantage over borate or chalcogenide glasses, which tend to cloud below 20 micrometers.

    Practical Differences With Other Compounds

    From the factory line, the most frequent questions are about purity and trace metals—especially compared with mercuric bromide, similar in name but different in structure and use. Mercuric bromide, being a totally different salt, crystallizes in a red form and brings higher toxicity and volatility. We field requests from scientists specifically asking to avoid cross-contamination. Even slight admixture causes unwanted peaks on spectra and leads to failed reference standards. Only controlled process design and constant quality checks produce repeatable, research-grade mercurous bromide without shadow impurities.

    Over the years, our chemists have watched how success with mercurous bromide depends on lot traceability. If any step is off—the thermal gradient slip, a tiny leak in reactor vessels, even an unnoticed fingerprint on a quartz tube—impurities creep in and force us to discard a batch. Unlike commodity chemicals, Hg2Br2 can’t be “cleaned up” after the fact, especially for optics. Take, for instance, our dedicated ring mills and solar furnaces, sealed against stray dust and run only with analytical-grade gases. Without this discipline, even reputable labs wind up with residue that glows blue under UV, marking the presence of side products.

    Common Uses and How They Shape Our Process

    Demand for mercurous bromide usually comes from three camps: optical manufacturing, advanced research, and historical analytical chemistry. In optics, the crystalline transparency and low absorption loss attract engineers designing custom interferometers or laser accessories for far-infrared setups. We get long spec sheets for custom blocks and high-purity crystals—requirements that can only be met where the manufacturing line is built around cleanliness and well-kept documentation. Each requirement influences the plant layout itself, from static-dissipative flooring to filtered airflows and specialty glassware, just to keep up with what modern R&D expects.

    Academic and industrial researchers seek out our product for its special properties in theoretical and experimental physics, focusing on infrared spectral standards and calibration cells. Here, any spectral impurities or mechanical defects can throw off critical experiments. Impurities not only ruin calibration curves, but sometimes even pose safety problems in high-power beams. Years ago, a batch sourced from a distributor caused two universities to publish retractions. In our experience, working directly with the producer avoids these headaches. Being present for every lot release, and being able to trace the provenance of each run, ensures every scientist receives the chemical standard they counted on from test proposal to publication.

    Another segment hails from the world of analytical chemistry. Historic use in certain amperometric electrodes and gravimetric determinations required strict formulation. Though most modern labs do not rely heavily on mercurous bromide electrodes anymore, legacy research and specialized industrial setups still request our high-purity material, sometimes with certifications based on archival methods. Here, we often deliver according to protocols that pre-date digital record-keeping—but our documentation always matches current best practices and industry scrutiny.

    Process Control: What Experience Has Taught Us

    Manufacturing mercurous bromide isn’t about cranking a switch. The process starts with selection: mercury and bromide sources, container purity, thermal cycling, and crystal harvesting. Older industrial methods often introduced volatile impurities or altered stoichiometry by running the reaction too fast, leading to partial reduction or over-oxidation. Through trial, error, and feedback from our end-users, we have improved our reactors and storage protocols. Now, all our reactors run under vacuum or inert gas where possible, preventing unintended reactions with ambient air.

    Each crystal batch gets tested using X-ray diffraction and infrared transmission scans. Quality personnel keep reference samples for up to ten years, so we can always look up the exact impurity level and test results from any lot shipped in the past. Even our cleaning solvents run through validation, since traces of chloride or nitrate lead to unwanted byproducts. Filters and packed bed columns change on strict maintenance schedules, and cleanroom procedures prevent cross-batch contamination. This strict attention to process details separates us from distributors or brokers who only repackage or resell.

    Safety and Environmental Practices

    Handling mercurous bromide means understanding mercury’s legacy—one marked by health and environmental risk. Since mercurous bromide only partially dissolves in water, spills stay localized but persistent. Our plant installed double-contained transfer lines and emergency reservoirs to catch any leaks before they reach public drains. Used process water gets cleaned through multi-stage mercury recovery units, ensuring that nothing re-enters rivers or groundwater. Local regulators visit regularly and draw their own split samples. No shortcuts exist here; every gram of Hg2Br2 gets tracked from purchase to shipping manifest.

    Worker safety is just as critical. Every operator wears fitted chemical-resistant suits, and staff cycle through annual medical screenings. The law sets one set of standards; our own experience pushes us to exceed them. Gloves, aprons, and closed shoes go along with daily cleaning rituals. Old-timers at the plant still tell stories from decades ago, before such precautions became routine, when a sudden headache or odd taste in the mouth warned of exposure. Those years taught us vigilance and strict compliance far better than any outside inspector.

    Market and Application Trends We Are Seeing

    Demand for mercurous bromide remains stable among specialized markets. Large-volume or commodity buyers don’t drive orders here—the pools of demand come from advanced optics, instrument manufacturers, and scientists working on next-generation IR technologies. In recent years, we have seen pure single crystals become more popular as spectrometer users need better calibration. Clean, defect-free blocks outperform pressed powder chips or polycrystalline discs for high-performance setups. Users report sharper peaks and less background noise with our individually grown crystal pieces.

    In the worldwide market, regions investing in photonics and IR imaging keep reaching out for custom lots. Academic labs specify more elaborate shapes or mounting geometries with each year. We shape, polish, and clean every piece under microscopy, logging each cutting pass to ensure that no microcracks or inclusions sneak in. Coupled with improved container handling and climate-controlled shipping, the odds of chemical alteration or photo-decomposition during transit drop dramatically—a critical concern for users who keep reference kits for years.

    How Mercurous Bromide Fits Into Greater Chemical Supply

    Mercurous bromide fills a small but critical niche. As other salts and crystals come into favor for electronics or optics, Hg2Br2’s unique window in the far-infrared keeps it irreplaceable in certain devices. The search for alternatives like doped chalcogenides or fluoride crystals continues, but their transparency windows, stability, and hazard profiles introduce challenges. With decades of hands-on work behind us, we answer technical questions with lived experience instead of repeating marketing lines.

    Customers sometimes ask us about switching to less hazardous bromides or halide mixes. In straightforward transmission, few materials beat mercurous bromide without requiring expensive extra equipment like cooled detectors or vacuum housings. Our team tracks R&D efforts worldwide for substitute materials, but the blend of reliability, broad IR range, and established manufacturing infrastructure keeps our product in many plans and proposals.

    What Reliable Manufacturing Looks Like to Us

    Manufacturing mercurous bromide for real-world users means taking as much care in customer support as in crystal growth. Each batch receives not only analytical test results, but also real support from our technical team—engineers and chemists with hands stained from years on the floor, not just sales staff. Whether the request covers mass, surface geometry, moisture retention, or spectral purity, we guide users through shipping, handling, and storage based on experience rather than theory.

    The push for higher-quality, research-standard mercurous bromide means each shipment arrives packed under dry nitrogen, shielded from stray UV and mechanical shocks. After seeing a few too many reports of yellowing, clumping, or sub-par performance from poorly packed stocks on the open market, we overhauled our protocols and began logging every environmental event from packaging to dock to lab bench. No crystal leaves our site unless it passes final visual and instrumental inspection—ours, not a trader’s.

    Most orders today come from repeat customers, some with standing requirements for regular calibration or specialized assemblies; our records date back decades. Building these relationships means more than just shipping on time. Regular feedback meetings reveal where process tuning helps, and both problems and breakthroughs inform next steps for everyone involved. This exchange of information only happens when manufacturer and user stand in direct contact, not separated by a wall of brokers and resellers.

    Supporting Innovation and Long-Term Progress

    Researchers and engineers pressing boundaries in spectroscopy, remote sensing, or quantum optics depend on tight tolerances and chemical honesty. Over the years, we have seen surprising use cases for mercurous bromide—some published, many not—each pushing the envelope of what is possible above the noise floor of routine production. Whether the job calls for bulk crystals, micronized powder, thin films, or finished optical windows, we draw from a large body of real outcomes, not just guesswork or generalities.

    At our facility, the lessons from past generations drive each new improvement. Instrumental upgrades, automation, and real-time monitoring came from repeated human error and customer collaboration. Only producers who spend time understanding mercury chemistry from synthesis to final assembly support breakthroughs reliably and safely. As the landscape changes and new materials rise, our role as direct suppliers to the research and technology community continues.

    Conclusion: Our Commitment

    Every crystal or vial of mercurous bromide we ship carries a traceable, hands-on legacy. Our team knows the risks and responsibilities of working with mercury compounds, and we design every process step with the end user’s goals in mind. Over the years, watching projects succeed or struggle based on starting materials alone has only deepened our commitment to produce Hg2Br2 at a standard that enables good science, precision engineering, and safe laboratory practice.

    Direct collaboration with our clients and feedback on shipped material drive improvement more than any textbook ever could. Each partnership builds stronger outcomes for everyone who depends on critical chemical supply. Mercurous bromide may not make headlines, but in the narrow world of advanced optics and infrared research, it remains a substance that rewards careful, knowledgeable manufacturing—and one we will continue to produce with pride and transparency.

    Top