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Holmium Bromide

    • Product Name Holmium Bromide
    • Alias Holmium tribromide
    • Einecs 236-914-8
    • 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

    349812

    Chemicalname Holmium Bromide
    Chemicalformula HoBr3
    Molarmass 468.58 g/mol
    Appearance Light yellow to yellow-brown crystalline solid
    Meltingpoint 654 °C
    Solubilityinwater Soluble
    Density 5.92 g/cm3
    Casnumber 13759-72-3
    Pubchemcid 84659
    Odor Odorless

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

    Packing & Storage
    Packing Holmium Bromide, 100g, sealed in a clear glass bottle with a secure blue cap, labeled with hazard warnings and product details.
    Shipping Holmium Bromide should be shipped in tightly sealed containers, protected from moisture and physical damage. It must be labeled according to hazardous materials regulations and transported under controlled temperature conditions. Shipping should comply with local and international chemical safety guidelines to ensure safe handling and delivery. Avoid contact with acids and incompatible substances.
    Storage Holmium Bromide should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from moisture and incompatible substances such as strong acids and oxidizers. Protect it from physical damage and sources of ignition. Storage areas should be clearly labeled and access restricted to trained personnel. Use proper chemical storage cabinets if possible.
    Application of Holmium Bromide

    Applications of Holmium Bromide in Industrial Manufacturing

    Holmium bromide plays a vital role in specialized industrial fields due to its unique magnetic, spectroscopic, and catalytic characteristics. As a direct manufacturer, we support technically advanced customers in sectors such as optical fiber, glass additives, magnetic materials, laser device development, and chemical synthesis, where strict process demands dictate precise usage and quality standards.

    1. Fiber Optic Amplifier Component Manufacturing

    Telecommunications equipment manufacturers integrate holmium bromide during the preparation of fiber laser and amplifier components. Doping silica or phosphate fibers with holmium ions enhances amplification at 2 μm windows, critical for advanced optical transmission applications. Holmium bromide dissolves in precursor solutions during preform fabrication, requiring precise dosing to achieve uniform energy levels across the fiber core. Chemical compatibility and trace impurity control directly affect signal attenuation and device life.

    Industry compliance standards

    • IEC 60793-1: International standards for optical fiber quality control
    • Bellcore GR-20: Qualification for optical fiber and cable
    • RoHS Directive 2011/65/EU: Restriction of hazardous substances in communications equipment
    • ISO 9001: Quality management systems (manufacturing traceability)

    Typical usage ratio

    • Holmium content in fiber core glass: 300–1500 ppm, adjusted based on fiber attenuation targets and amplifier gain profile

    Downstream process integration

    • Batch dissolution into glass preform chemical solution prior to MCVD (Modified Chemical Vapor Deposition) or solution doping
    • Close QC monitoring for trace element content and solution homogeneity prior to fiber drawing

    Final product types

    • Holmium-doped fiber amplifiers (HDFA)
    • High-power fiber lasers for industrial material processing
    • Mid-infrared fiber optic sensors
    • Specialized fiber components for medical laser systems

    2. Advanced Specialty Glass Production

    Glasses modified with holmium bromide serve in calibration applications, infrared-transmitting elements, and wavelength references. Holmium bromide offers highly reproducible absorption bands, used in both laboratory reference standards and in photonics engineering. The compound’s dissolution control impacts both optical clarity and color uniformity. Color glass producers require rigorous material traceability and heavy metal content documentation during melt batch formulation, aiming to achieve specific optical density and transmission points.

    Industry compliance standards

    • ISO 3951: Standards for spectrophotometric calibration materials
    • DIN EN 1749: Requirements for glass batch materials
    • REACH (EC) No 1907/2006: Substances of very high concern (SVHC) reporting
    • RoHS Directive 2011/65/EU: Lead and heavy metal restrictions

    Typical usage ratio

    • 0.01–0.1% holmium oxide equivalent, converted from bromide input; precise dosage ensures calibration band reproducibility and glass color specification

    Downstream process integration

    • Dosed into glass batch prior to furnace melting, with melt homogenization for uniform rare earth ion dispersion
    • Process monitoring for color and optical absorbance matching calibration requirements

    Final product types

    • Holmium optical glass calibration filters (UV-VIS-NIR)
    • Infrared-transmitting specialty glass (IR fiber or window blanks)
    • Photometric reference standards
    • Glasses for scientific measurement devices

    3. Permanent Magnetic Material Synthesis

    Magnet manufacturers use holmium bromide as a precursor in the synthesis of advanced permanent magnets, specifically for tuning the coercivity and thermal stability of samarium-cobalt (SmCo) and neodymium-iron-boron (NdFeB) magnets. Before reduction, holmium from the bromide salt blends directly with precursor mixtures, controlling microstructure and domain wall behavior in the sintered magnet. The quality of holmium bromide, particularly regarding halide impurity level, directly impacts final magnetic properties and oxidation resistance.

    Industry compliance standards

    • IEC 60404-8-1: Magnetic materials testing
    • ASTM A977/A977M: Quality assurance for sintered rare earth magnets
    • ISO/TS 16949: Quality systems for automotive magnet supply chains
    • EU End-of-Life Vehicles Directive 2000/53/EC: Hazardous material restrictions

    Typical usage ratio

    • Holmium substitution: 0.5–5 wt% of total rare earth element mass, optimized for target Curie temperature and coercivity adjustments

    Downstream process integration

    • Blending during alloy preparation prior to reduction and sintering
    • Careful bromide removal to prevent inclusion defects in final magnet block

    Final product types

    • High-temperature permanent magnets (automotive, aerospace, servo motors)
    • Miniature maglev components
    • Hybrid drive and industrial control magnets
    • Precision sensors

    4. Laser Crystal Growth for Scientific and Medical Devices

    Manufacturers of solid-state laser systems use holmium bromide in crystal growth feeds, particularly for producing holmium-doped yttrium aluminum garnet (Ho:YAG) and holmium-doped yttrium lithium fluoride (Ho:YLF). Purity of bromide salt ensures defect-free incorporation of holmium ions, critical for generating specific laser wavelengths (e.g., 2.1 μm). Growth conditions require tight stoichiometry, and impurities from the bromide source must remain below detection limits to avoid lattice quenching or color center formation, which can compromise laser efficiency and performance consistency.

    Industry compliance standards

    • ISO 10110-3: Preparation of optical elements for lasers
    • IEC 60825: Laser product safety standards
    • ISO 13485: Medical device manufacturing
    • USP Class VI (where used in medical/biotech devices)

    Typical usage ratio

    • 0.5–2 at% holmium, calculated as a fraction of yttrium site substitution; adjustment according to targeted laser output power and wavelength range

    Downstream process integration

    • Holmium bromide is mixed and dissolved with crystal-forming materials during Czochralski, Bridgman, or flux growth processes
    • Pre-growth purification and anhydrous handling minimize inclusion and lattice defect risks

    Final product types

    • Ho:YAG medical laser rods for urological, ophthalmic, and dental procedures
    • Ho:YLF crystals for pulsed scientific lasers
    • Tunable near-IR lasers for spectroscopy systems
    • High-reliability laser gain media for industrial processing

    5. Catalytic Precursor in Organometallic Synthesis

    Chemical manufacturers use holmium bromide as a catalytic precursor or rare earth component for homogeneous and heterogeneous catalysis. In organometallic synthesis, it can introduce highly controlled active site characteristics in specialty polymer and pharmaceutical intermediate production. Handling protocols focus on anhydrous quality and rapid solubilization to ensure consistent catalyst distribution and avoid residual halide contamination in final active metal complexes.

    Industry compliance standards

    • 21 CFR Part 210-211: FDA Good Manufacturing Practices for pharmaceuticals
    • ISO 9001: Quality management for chemical processing
    • GMP guidelines for fine chemical production
    • EPA TSCA (Toxic Substances Control Act): Environmental compliance for new substances

    Typical usage ratio

    • Catalyst loading: 0.01–1 mol% holmium relative to total substrate batch, fine-tuned by desired reaction kinetics and conversion rate

    Downstream process integration

    • Fed to reaction vessel post-drying, dissolved under anhydrous conditions; commonly transitioned to an active organometallic state in-situ
    • Post-catalytic steps ensure holmium residues meet downstream purity requirements

    Final product types

    • Specialty polymer intermediates (engineered plastics)
    • Chiral pharmaceutical intermediates
    • Selective oxidation catalysts
    • Fine chemical compounds with rare earth modification
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    Certification & Compliance
    More Introduction

    Holmium Bromide: Supporting Technological Progress with Reliability and Experience

    The Real Substance Behind Holmium Bromide Production

    In our plant, every batch of Holmium Bromide tells a story. There’s the raw lignite hue in the early stages, the calm precision of mid-reaction, and finally, the clear crystalline harvest at the end of a long run. We don’t see Holmium Bromide as a commodity that simply passes through drums and packaging. It’s a rare earth compound, HoBr3, with each step of its journey guided by hands that know how to keep a tricky process on course. Holmium rarely receives the attention of more talked-about elements, but its role along the spectrum of chemical technology remains critical.

    We use high-purity holmium oxide and the purest hydrobromic acid available. Monitoring temperature control and water removal during synthesis, we steer clear of the hydrolysis pitfalls that rob finesse from the final product. The HoBr3 that leaves our shop reflects our repeated experience with rare earths — a deep magenta tint and crisp, well-formed crystals. Whether our customer needs anhydrous or hydrated forms, each model reflects the specific route taken: direct dry reaction under strictly inert conditions or gentle evaporation with controlled rehydration.

    Why Purity and Consistency Matter in Holmium Bromide

    In the world of rare-earth bromides, trace impurity content affects everything. Residual moisture, oxide remnants, unreacted halides — they all complicate next steps in downstream projects. Magnetic cooling, specialty optics, and catalysis all demand as close as possible to absolute control. Holmium Bromide finds a niche in laser crystals, where it’s not only about optical clarity, but also the absence of background absorption that can spoil output. Magneto-optical devices also lean on that same consistency. We routinely measure down to sub-ppm contamination, and our teams have learned from years of experience what can go wrong with even gentle handling.

    Many users come to us after dealing with product that didn’t quite deliver. Off-color or pasty Holmium Bromide reveals poor dehydration, or even cross-contamination from processing equipment not dedicated to rare earths. It’s tempting for some suppliers to cut steps to save time — skipping washing, or using less refined acid. We see the difference up close through routine XRD and ICP checks. Missteps at the plant level always show in the end use.

    The Subtle Differences: Holmium Bromide vs. Other Halides and Rare-Earth Salts

    People sometimes wonder why we put so much effort into keeping Holmium Bromide distinct from its nearby cousins — Holmium Chloride, Holmium Fluoride, or less carefully made HoBr3 from batch traders. For one thing, Holmium’s response to bromide is different from what happens with another halogen. The ionic radius changes subtly, which impacts solubility in specific solvents meant for optical crystal pulling or thin-film deposition. HoBr3’s hydrated forms remain stable at higher humidities compared to chloride, a practical benefit for storage in less controlled environments.

    Whereas Holmium Chloride tends to cake after brief exposure to open air, Bromide holds its structure a touch longer, allowing for more flexibility with weighing and transfer. In specialty glass manufacture, even tiny differences in melting points affect annealing cycles, and bromide chemistry gives glassmakers the leeway they need. On the academic front, research chemists tinker with bromide’s coordination chemistry to tailor molecular structures. Holmium Nitrate or Oxalate products, while cheaper, simply cannot substitute.

    Model Variations: From Lab Bench to Scale Production

    We produce Holmium Bromide for batch-scale lab synthesis as well as kilo-scale industrial applications. The small-scale, anhydrous grade supports spectroscopy research — high purity and tight compaction ensure even sample loading for laser testing. On the production scale, granulated or chunk formats support glass and specialty ceramic industries where smooth pouring and minimal dusting reduce product loss.

    Most of our long-term relationships have grown from finding the right physical format for the right application. Some glass facilities want large, poured crystals for their mixers; others prefer fine, moist flakes that blend more readily with fragile charge components. Our operators have decades at the reactor and know that slow, even annealing beats a fast, incomplete dehydration every time.

    Holmium Bromide’s Real-World Uses

    Much of the HoBr3 we make heads to research labs, where scientists probe its high magnetic moment — one of the highest among the lanthanides. It triggers innovation in quantum computing components and magnetic field sensors. Our material supports these efforts by resisting oxygen ingress, avoiding coloring compounds, and offering reliable results under repeated cycling.

    Laser and fiber optics builders are another core user group. They count on Holmium Bromide for doping YAG crystals. The Bromide adds unique energy levels not possible with chloride or nitrate, which results in clean upconversion emissions. Smooth performance here means fewer hot spots, better wavefront preservation, and repeatable gain profiles. Every customer wants a smooth lasing threshold and stable power — to get there, they depend on material that doesn’t introduce variable losses.

    An often overlooked role for Holmium Bromide is in the preparation of specialty ceramics for neutron shield materials. Because Holmium absorbs neutron energy efficiently, its bromide salt delivers this in a form that melts and distributes uniformly into matrix materials. Chemical synthesis groups make use of the versatile coordination possibilities, using it as a precursor for making tailored magnetic molecules or coordination polymers. In catalysis R&D, bromide’s differing ligand ability brings new opportunities not open to other holmium salts.

    Logistics of Handling Holmium Bromide in the Factory

    Our facility runs Holmium Bromide synthesis on a schedule tuned to align with order patterns from regular customers. We schedule our reactors and handle raw inputs to prevent holmium from cross-contaminating with lighter lanthanides. Segregated storage and dedicated filtration hardware help us avoid the accidental inclusions that make trace analysis a challenge down the line.

    Staff understand the need to keep containers tightly closed and labeled. Every kilogram moves from production floor to finished-goods staging under logging protocols we’ve refined over many years. Hygroscopicity is a constant battle in the warehouse. We seal every shipment in triple barrier bags and store them with humidity monitors. Incoming raw materials undergo routine acceptance checks — only verified holmium oxide makes the cut. Failed lots go nowhere near the reaction line.

    Quality Control: Experience Over Haste

    Through every campaign, quality control demands hands-on involvement. Titrations and spectrographic checks confirm product coming off-dryer matches what’s in the spec — not just for elemental purity, but for absence of colored iron, copper, or organic residues. Laboratory teams catch problems where they start. An operator can spot a small batch that does not clear as expected and can trace the cause to a subtle upstream moisture creep. Our record with HoBr3 reflects real trust in personnel, not just in equipment or automation.

    Most of what makes a Holmium Bromide batch good or bad comes down to the experience of the people running the reactors and dryers. They know that skipping a wash or hurrying a step tends to show up months later as a customer complaint. The market won’t tolerate those gambles; neither do we.

    Holmium Bromide in the Context of Global Rare Earths

    Holmium compounds live in the shadow of more common rare earths — Cerium and Lanthanum get most of the market. The limited supply means some traders try to blend sources or mislabel material. We monitor the international supply chain for telltale signs of shoddy handling. Our direct partnerships with oxide producers give us traceability all the way to mine feed. This helps keep fake or adulterated lots out of the system.

    Long-term supply rests on stable logistics. The volatility in the rare earth sector comes down as much to secure relationships and predictable demand as it does to geology or mining. We stay in close touch with end users and keep them posted about changes in availability, lead times, and logistics. Nothing damages a project timeline like a missing shipment — that’s a fact for research teams and production line managers alike.

    Facing Shelf Life and Storage Challenges

    Any rare earth bromide demands well-sealed storage. Years of trial and error have taught us that even microperforations in bulk bags start letting trouble in after just a few weeks. Holmium Bromide, once compromised by ambient humidity, cakes and shifts color — a clear sign of hydrolysis at work. Preventing exposure is less about high-tech control and more about commonsense discipline on the shop floor.

    Every step in handling is one more opportunity for unwanted water or dust. Our staff tightens every drum, logs handoffs, and uses real-time hygrometric checks to keep environmental conditions in line. We build this into training and audit it monthly. For customers, we coach on storage, because mistakes here undo all the work at the factory. Cardboard or soft plastic packaging just doesn’t make the grade: only sealed, lined, rigid drums keep Holmium Bromide at its best.

    Safe Practices: Protecting Both Product and People

    Rare earths deserve respect in the workplace. Our teams use full personal protective equipment, operate under fume hoods, and refrain from eating or drinking anywhere on the production floor. Holmium Bromide isn’t explosive or violently reactive, but its dusts are best avoided. Any accidental spill triggers a cleanup protocol, with full trace logged.

    We drill safety in each onboarding cycle. Proper labeling, knowing which materials to segregate, and careful waste disposal protect both staff and finished product. Cleaning protocols extend beyond just surfaces — shared tools, vacuums, and transfer funnels go through routine decontamination to keep rare earth purity at the level our users demand.

    Environmental and Regulatory Realities

    Even though holmium isn’t classified as toxic under many national systems, strict attention to local air and water emissions remains a constant. Waste bromides must undergo neutralization before safe disposal, and we track every kilogram of off-cut and residue. Air monitoring reveals if drying lines ever vent beyond allowed limits — as strict as any newer rare earth operation globally.

    Because environmental oversight varies from country to country, we work under the tightest standards of our customer base. Anyone signing off on waste shipment or air discharge in our facility meets training levels set for the highest global benchmark. Customers expect this; we deliver because cutting corners is a fast track to losing trust.

    Solving Problems: What Experience Has Taught Us

    Every year brings new requests for Holmium Bromide with smaller particle size, cleaner trace results, or slightly altered hydration levels for specific applications. R&D keeps us moving forward. Many improvements in our specs come directly from feedback delivered after our product has been through a few cycles in a real lab or production run.

    We never discount a concern about batch variability. If a user’s results shift, we dive into root cause. Sometimes the culprit lies in differences from upstream holmium oxide batches; sometimes it’s a shift in ambient plant humidity. Transparent logging, full batch records, and open lines of communication build the relationships that keep us at the front of the field.

    Over the decades, we’ve learned the pitfalls: halogen cross-contamination, trace metallic fouling, the way an untrained operator can stir a vessel too hard and introduce air. Our plant runs on a mix of old and new technology, but consistency springs from the people who work it. Every lesson filters into the next production run.

    The Value of Direct Manufacturing

    It’s easy for third parties to market Holmium Bromide with flashy datasheets and claims. For those of us who run actual reactors and fill actual drums, the compound’s real value shows up in how it performs after storage, during dosing, and through final application. No shortcut replicates the impact of people who know the product, the quirks of the chemistry, and the experience that comes with years of sweat and attention.

    Every kilogram of Holmium Bromide we ship out represents both effort and reputation. We stand by our process and our product because experience tells the story — both for demanding customers and scientific progress alike.