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Aluminum Chloride

    • Product Name Aluminum Chloride
    • Alias AlCl3
    • Einecs 231-208-1
    • 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
    VTB
    Specifications

    HS Code

    651357

    ChemicalName Aluminum Chloride
    ChemicalFormula AlCl3
    MolarMass 133.34 g/mol
    Appearance White or pale yellow solid
    Odor Faintly pungent
    MeltingPoint 192.4 °C
    BoilingPoint 180 °C (sublimes)
    Density 2.48 g/cm³
    SolubilityInWater Reacts violently, soluble
    CASNumber 7446-70-0
    pH Acidic (when dissolved in water)
    RefractiveIndex 1.473
    VaporPressure 1 mm Hg at 100 °C

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

    Packing & Storage
    Packing The aluminum chloride is packed in a 500g sealed, moisture-resistant, amber glass bottle with a secure screw cap and clear labeling.
    Shipping Aluminum chloride should be shipped in tightly sealed, moisture-resistant containers, as it reacts violently with water. Transport in a cool, dry environment, separated from incompatible substances such as bases and oxidizers. Ensure containers are clearly labeled and comply with regulatory requirements for hazardous materials. Handle with appropriate protective equipment during shipping.
    Storage Aluminum chloride should be stored in a tightly sealed, corrosion-resistant container, away from moisture, as it reacts violently with water. Store in a cool, dry, well-ventilated area, separated from strong bases and oxidizing agents. The container should be clearly labeled, and the chemical kept away from incompatible substances to prevent hazardous reactions. Use secondary containment to prevent spills or leaks.
    Application of Aluminum Chloride

    Applications of Aluminum Chloride in Industrial Manufacturing

    Aluminum chloride plays a critical role in multiple industrial manufacturing routes, supported by established regulatory frameworks and precise formulation know-how. Our direct production control ensures reliable quality and consistency for advanced downstream integration.

    1. Catalyst in Friedel-Crafts Alkylation and Acylation (Organic Synthesis)

    Aluminum chloride functions as a primary Lewis acid catalyst in large-scale Friedel-Crafts reactions to alkylate or acylate aromatic compounds. Demand in the fine chemicals and specialty organics sector requires high-purity, anhydrous material with regular particle size and controlled reactivity. Manufacturers select aluminum chloride grade and incorporation method based on substrate reactivity, solvent system, and target throughput.

    Industry compliance standards

    • ISO 9001:2015 Quality Management Systems
    • REACH Regulation (EC) No 1907/2006 for chemical safety
    • Responsible Care® Global Charter
    • Process safety under OSHA 29 CFR 1910.119

    Typical usage ratio

    • 0.5–1.5 molar equivalents vs. aromatic substrate; adjusted for reactivity, process scale, and product selectivity

    Downstream process integration

    • Feeds directly to reaction vessel under inert conditions at the mixing stage, typically as a dry powder or in solvent dispersion
    • Recovered or neutralized after the reaction step, separated with subsequent aqueous workup

    Final product types

    • Pharmaceutical intermediates (e.g., acetophenone)
    • Agrochemical building blocks (e.g., alkylbenzenes)
    • Fragrance precursors
    • Polymer additives (e.g., alkylated aromatics for resins)

    2. Pharmaceutical Intermediate Synthesis

    In regulated pharmaceutical manufacturing, aluminum chloride acts as a transformation agent for critical intermediates, particularly for chlorination and coupling steps. Its use must strictly comply with validated GMP routes and documentation. Trace metal content and purity directly influence batch release and regulatory qualification. The process design considers compatibility with APIs and final impurity profiles.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP-NF General Chapter <797> for non-sterile compounding practices
    • 21 CFR Parts 210 & 211 (cGMP regulations for finished pharmaceuticals)
    • European Pharmacopoeia individual monographs for excipients and intermediates

    Typical usage ratio

    • 0.9–1.2 equivalents per API precursor, precisely metered based on validated synthetic route and batch volume

    Downstream process integration

    • Added to reaction vessel during key synthesis steps for chlorination, cyclization, or Friedel-Crafts derivatization under controlled temperature and moisture conditions
    • Removed via neutralization and filtration prior to downstream purification and isolation of intermediates

    Final product types

    • Paracetamol intermediates
    • Anti-inflammatory drug precursors (e.g., diclofenac base compounds)
    • Cardiovascular API intermediates
    • Bulk non-sterile APIs requiring aromatic substitution

    3. Manufacturing of Aluminum-based Pigments and Dyes

    The pigment and dye industry relies on aluminum chloride for the precipitation and complexation of aluminum ions, pivotal for producing aluminum lake pigments and mordant dyes. Production demands strict control over metal content, reaction pH, and precipitation kinetics. Binder compatibility and color fastness dictate process adjustments with final application in printing, plastics, and coatings.

    Industry compliance standards

    • EU Regulation (EC) No 1223/2009 for cosmetic colorants
    • ASTM D3876 for aluminum pigment analysis
    • 2024 China National Standard GB/T 5211.6-2014 (pigment chemical analysis)
    • ISO 18451-1:2015 (Pigments, dyestuffs—Terminology)

    Typical usage ratio

    • 5–12% by weight relative to total pigment batch; adjusted for target color intensity and batch viscosity

    Downstream process integration

    • Charged to aqueous or organic precipitation tanks as a source of Al3+ ions, with controlled agitation and pH profile for particle size formation
    • Supports subsequent milling, drying, and pigment dispersion steps prior to blending into end-use systems

    Final product types

    • Cosmetic grade lake pigments
    • Polymer color masterbatches
    • Specialty print inks
    • Automotive and industrial paints requiring aluminum-based brilliants

    4. Water Treatment Coagulant Preparation

    Producers of specialized coagulants use aluminum chloride as a conversion agent for polyaluminum chloride (PAC) and related salts. Formulation focuses on controlled hydrolysis, achieving precise basicity and polymerization for regulatory compliance. Downstream systems require strict QC of residual heavy metals and chloride content to meet potable and wastewater application standards.

    Industry compliance standards

    • ANSI/AWWA B408-18 (Aluminum Salts for Water Treatment)
    • EN 883:2019 (Chemicals used for treatment of water intended for human consumption)
    • GB/T 15892-2020 (China standard for PAC)
    • US EPA National Primary Drinking Water Regulations

    Typical usage ratio

    • Starting feed: 1.0–1.2 parts aluminum chloride per target Al in PAC solution; final PAC solution adjusted for 10–20% Al2O3 content by weight

    Downstream process integration

    • Dissolved and hydrolyzed in batch or continuous reactors with precise pH adjustment and dilution, forming coagulant blends for packaging and onsite dosing
    • Byproduct control and filtration completed before transfer to customer storage or bulk tanks

    Final product types

    • Polyaluminum chloride (PAC) for municipal water plants
    • Industrial process water coagulants
    • Effluent treatment blends for textile and food processing customers
    • Remediation-grade flocculants for mining and construction runoff

    5. Petrochemical Industry—Rubber and Lubricants Additive Synthesis

    Aluminum chloride catalyzes alkylation and polymerization steps in the production of synthetic rubber co-monomers and high-performance lubricant additives. Process operators control the introduction to minimize coking and optimize product chain length, targeting regulatory limits for trace impurities. Production lines frequently alter dosage and recovery according to feedstock and batch profile.

    Industry compliance standards

    • ISO 21461 Determination of aromaticity in rubbers
    • ASTM D3851 for lubricant additive testing
    • API 1509 Engine Oil Licensing and Certification System
    • REACH Annex XVII (Restrictions on Benzene-derived intermediates)

    Typical usage ratio

    • 0.8–2.0% by weight of total monomers or additive precursors, selected to optimize polymer chain length and minimize tar formation

    Downstream process integration

    • Metered into alkylation and polymerization reactors at the catalyst charging stage; reaction progress monitored for selectivity and removal of spent catalyst by phase separation
    • Final removal via washing, neutralization, and extraction

    Final product types

    • Styrene-butadiene rubber (SBR) intermediates
    • Lubricant detergent additives
    • Alkylbenzene sulfonate precursors for surfactants
    • Plasticizer intermediates

    6. Production of UOP Zeolite Catalysts

    Major catalyst manufacturers apply aluminum chloride for introducing aluminum into framework structures during zeolite synthesis, especially in shape-selective fluid catalytic cracking catalysts (FCC). Raw material purity, hydration control, and aluminum incorporation efficiency significantly impact final catalyst activity and stability. The process involves continuous monitoring to assure compliance with global refinery and emission standards.

    Industry compliance standards

    • ISO 17025:2017 testing for catalyst composition
    • ASTM D3909—Analysis of Zeolite Catalysts
    • US EPA 40 CFR Part 60 (NSPS for petroleum refineries)
    • REACH pre-registration for zeolite chemicals

    Typical usage ratio

    • Aluminum chloride solution added at 1.1–1.3 equivalents per Si atom intended for substitution; final usage contingent on silica-alumina ratio and catalyst specification

    Downstream process integration

    • Injected to gel formation stage or during hydrothermal synthesis, typically under pH-controlled conditions; distribution monitored for uniformity in final matrix
    • Followed by calcination, washing, and QC prior to shaping and packaging

    Final product types

    • FCC catalyst beads and extrudates
    • Hydrocracking catalyst grains
    • SAPO and ZSM zeolite powders
    • Gasoline desulfurization catalyst blends
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    Certification & Compliance
    More Introduction

    Aluminum Chloride: Insights from the Manufacturer’s Floor

    An Authentic Look at Our Aluminum Chloride

    Manufacturing aluminum chloride over the years, one lesson stays clear: consistency and process control never take a back seat. In a busy plant where reactors run without pause, batches of aluminum chloride reflect more than chemistry—they show the results of hard-won routines, feedstock sourcing, and careful quality checks. The model that we focus on, known as aluminum trichloride (AlCl3), falls under the anhydrous form. This doesn’t just represent a formula you’d spot in a textbook. In practice, it comes as a pale yellow to white crystalline solid that fumes on exposure to damp air. Each lot stands as a product of metal purity, process gas quality, and the vigilance applied at each step.

    Understanding the Specifications

    Much of the real work in chemical plants comes from perfecting the specifications day after day. What matters most to our customers runs deeper than just percentage purity listed on a report. We target a minimum purity of 99%. Impurities such as iron, sodium, and moisture don’t just show up as small numbers; they create issues downstream—catalyst poisoning, corrosion, equipment buildup, discoloration in pharmaceutical syntheses. The specifications are set, but hitting them needs real world attention. If the temperature in the reactor fluctuates, or if the aluminum feedstock isn’t up to par, it takes an experienced team to correct on the fly. Our quality team checks every drum and sack using both traditional titration and instrumental analysis, and traces of iron or water outside of tight tolerance go straight back for rework or scrap. This standard rarely gets compromised—customers have tough protocols of their own and don’t accept short cuts.

    What Sets Aluminum Chloride Apart in Use

    Aluminum chloride doesn’t stay with us on the warehouse racks very long. It’s known across the chemical industry for its strength as a Lewis acid, a role it performs in Friedel-Crafts alkylation and acylation reactions—essential steps for producing a vast range of chemicals, from detergents and pharmaceuticals to flavors and fragrances. Our long-standing customers in the dyes sector order it for the synthesis of aromatic compounds, and polymer manufacturers run their process on a tight clock, counting on fast, clean reaction profiles. Hydrocarbon producers run aluminum chloride in cracking and reforming, chasing yield improvements and environmental performance. Those in the wastewater sector see its value in precipitating unwanted contaminants, cutting disposal costs and hitting environmental standards.

    No one recipe fits all. The needs of an alkylation unit at a refinery look nothing like those for a batch producer making intermediate chemicals. Some processes call for particularly low levels of iron or water, and we’ve had more than a few urgent requests from multinational firms when off-spec material elsewhere forced production down. Years back, we invested in a gas-phase reactor line that’s dedicated to the highest purity grades—this helped us grow into specialty markets, including pharmaceuticals. Pharmaceutical buyers perform their own lot-by-lot analyses, and even a few extra parts-per-million of a contaminant can jeopardize a regulatory submission or create entire batch recalls. The powder or compacted lump form required for those applications involves extra care in cooling, packaging, and handling to prevent caking or hydrolysis. It’s not just about making the material—it’s about protecting it right through transit to keep its activity and purity intact until the moment it meets the production kettle.

    Distinguishing Aluminum Chloride From Other Products

    Some people outside of chemical production see “chloride” in the name and start thinking about sodium chloride or other simple salts. There’s no confusing aluminum chloride with more mundane salts, once you’ve handled it. Even among aluminum salts, its reactivity, volatility, and corrosiveness mark it out. Unlike aluminum sulfate, which finds its main use in water treatment as a flocculant, aluminum chloride plays a far more aggressive role. It requires closed systems and careful commitment to dry handling procedures. A few times each winter, we get calls from smaller companies who learned about these challenges the hard way—hygroscopic material like this absorbs moisture and fuses together, sometimes producing hydrochloric acid fumes that can damage both product and equipment.

    Our product line also includes polyaluminum chloride, a very different material despite some overlap in applications. Polyaluminum chloride, found mostly in water treatment and paper sizing, has fundamentally different chemistry and lower Lewis acidity. It handles much more easily, dissolving directly into process water and posing less risk to handlers. For high-performance catalysis or high purity synthesis, though, only aluminum chloride trumps alternatives for reactivity and conversion rates. Customers with stringent demands—particularly in proprietary process development—consistently pick aluminum chloride for its effectiveness as a catalyst. But with that high reactivity comes greater responsibility, both for the user and manufacturer.

    Meeting Market Demands With Real-World Solutions

    Chasing purity and reliability is not only about chemistry—it’s about membership in a production team, troubleshooting equipment, and responding to a changing regulatory landscape. Environmental and worker-safety rules push every plant to rethink dust control, containment, and emissions capture. Some years back, we upgraded the plant ventilation and moved to sealed filling and packaging stations. This sharply cut fugitive emissions, protected employee health, and allowed us to meet new workplace exposure limits well ahead of schedule. Newer customers, especially those looking to secure sustainable sourcing for electronics and pharmaceuticals, want to see both advanced QC records and real-world evidence of process upgrades. Regular outside audits from certification agencies keep us focused.

    The biggest challenge over the last decade has come from shifts in global aluminum and chlorine supply. Raw material volatility led us to secure multiple sourcing avenues and maintain a buffer stock, so we could keep customers supplied even during extended market disruptions. We learned how to run lean on utilities—steam, cooling water, and energy—by shifting heat integration and recycling process water through closed-loop circuits. This discipline let us hold the price line when others couldn’t, turning our aluminum chloride into a foundation chemical for long-term contracts. In tough conditions, these practical changes pay off just as much as new reactors or analytical investments.

    Commitment to Safe Handling and Responsible Manufacturing

    Anhydrous aluminum chloride poses real challenges for safe handling, both on-site and at our customers’ plants. There’s no shortcut here—the material reacts violently with water and releases HCl vapors with even brief exposure to the atmosphere. Every packed drum gets purged, dried, and sealed under a controlled environment. Teams wear full PPE—acid-resistant gloves, eye protection, and respirators are standard. Every operator trains for leak response and container transfer. Over the years, we’ve worked closely with end-users to develop safer unloading and transfer protocols, extending our safety ethos right down the value chain.

    From a manufacturer’s experience, packaging can never be routine. We use lined steel drums and specialty bags with moisture barriers, and we rotate warehouse stock regularly to prevent long-term degradation. Even the route and timing for freight shipments receive extra attention. Delays from customs or carrier mishandling easily result in caked product or compromised consignments. Tracing lot numbers from factory floor to customer warehouse gives us an early alert system for any issues, and once a year we run a trace exercise to stress-test the system in real time.

    Aluminum Chloride’s Place In The Larger Chemical Industry

    Aluminum chloride solidifies its role as a backbone material for countless synthesis routes. Catalysis markets remain tough and detail-oriented, and the least slip in reactivity or purity can trigger cascading consequences in a series of reactions. In perfumery, for instance, high purity aluminum chloride allows synthesis of complex aromatic rings with minimal side products—a crucial edge for global brands. Electronics grade production, especially for semiconductors or specialty coatings, tolerates no unwanted ions. In each setting, purchase decisions depend on consistent product and proven performance over years, not mere price quotes.

    Pricing pressure never stops. Over-capacity in some regions leads to pricing wars, but cheap material often disappoints in actual process performance. Our long-term relationships are built around documented analytical data, technical visits, and open feedback from customer process engineers. At industry conferences and one-on-one meetings, clients want to see how improvements in our process map back to better outcomes for them—quicker reaction times, cleaner end product, or smoother recovery of reaction residues. Requests for product modifications or tighter impurity specs always come with details about downstream complaints. We respond by documenting process changes, rerunning lab validations, and if needed, tweaking upstream feedstocks to hit the mark.

    Challenges and Practical Solutions Learned Through Experience

    Running a plant that makes aluminum chloride rarely plays out exactly as textbooks describe. Reactors that once ran fine for months develop leaks, gas flow rates change with the seasons, or batch-to-batch variability in aluminum rods throws off yields. Our operations team learned to watch for subtle cues—color changes in the product, differences in moisture pickup, or the feel of product flow in hoppers. A rapid response often makes the difference between a good lot and a costly one. We’ve set up a dual laboratory-operator protocol, where feedback from one group gets immediately acted upon by the other, closing the loop faster and cutting out quality drift.

    Staying abreast of user complaints and shifting technical demands never stopped at the transport dock, either. Some applications saw new reactivity requirements, and we developed smaller, specialty runs for those targets. Digital monitoring on our lines picked up on trends well before they showed up as problems on customer-side analytics. Data-backed rapid improvement loops meant we didn’t wait for bad batches to leave the facility before we addressed the core. For extremely moisture-sensitive deliveries, we switched to rapid-turn shipments and posted real-time temperature logs that customers could access, adding transparency and trust.

    Years of fielding requests from R&D labs, universities, and multinational chemical firms gave us a wide view on unique process needs. Not every customer wants the same grade or particle size. For those developing new catalytic systems, we produce super-fine or tailored-lump grades, supporting not only standard production but also experimental work. Smaller users, especially those in the specialty flavors or research sectors, benefit from direct access to technical support. Our in-house team provides detailed reactivity profiles, answers on residue formation, and troubleshooting help. That personal element counts for more than any data sheet.

    Looking Toward Responsible Innovation and Service

    Progress means raising the bar not only on product consistency but also on stewardship. Investors and government agencies more often scrutinize supply chain risk, emissions, and waste management. We saw requests for chain-of-custody documentation surge. In response, we mapped raw material inflows, added digital batch tracking, and expanded our emissions treatment units. For high-purity lines, we run regular contamination checks against a broader range of possible cross-contaminants, anticipating regulatory shifts ahead of the curve. These changes require capital, but they anchor business for the long run.

    Our production team grew in both size and experience. Newer operators come up learning from those who have spent decades perfecting the details—how to handle emergency deviations, quickly clean up spills, and dial in the process at shift handovers. That experience does not come from books; it comes through hundreds of cycles, mishaps, team-based troubleshooting, and the pressure to meet unyielding customer schedules. Customers sense that experience the moment they call for urgent advice or when material arrives as promised, even through adverse weather or global supply pressure.

    Ethics and Transparency in the Supply Chain

    Modern reliability depends on visible, traceable supply chains. Increasing numbers of clients—particularly in pharmaceuticals and electronics—now audit our links back to production. We’ve built traceability protocols that document every lot number’s path from raw aluminum and chlorine right to the filled containers in our shipping dock. External certification bodies now request audit trails as part of their supplier approval workflow, so we maintain updated, detailed batch records and manage continuous training for every production operator involved in those batches.

    Ethics extend to transparency in complaint resolution. When a rare batch trouble occurs, there’s no hiding or blaming logistics. Our protocol sends technical teams out for on-site troubleshooting if needed, reports the root cause, and details corrective action. Many times, quick, honest technical responses retain trust and even strengthen long-term partnerships. Years of honest reporting and strict adherence to standards led to trust that doesn’t rely on promotional claims.

    Supporting Development and Industry Growth

    Research never stands still. Many of our clients push the frontiers of catalysis, green chemistry, and specialty synthesis. Through feedback and regular exchanges, we learn of new process needs—from requests for ultra-low-heavy-metal grades to non-standard packaging suited for continuous reactors. Our flexibility and in-house analytical capacity mean that we can scale up modified grades quickly. We introduced statistical process control and rapid turnaround pilot batches to help early-stage developments minimize cost and development time. This collaborative approach yields benefits: researchers cut down on failed experiments, and we expand our expertise in process adaptation.

    Clients routinely cite our technical support team as a key differentiator. Troubleshooting support moves beyond generic advice, offering targeted process adjustments, impurity tracking, and detailed application notes. These interactions inform future process improvements and product upgrades—lessons learned on one batch often benefit the whole customer base.

    The Value of Aluminum Chloride Rooted in Real-World Experience

    Every shipment of aluminum chloride leaving our facility carries the accumulated knowledge of decades of manufacturing, feedback, and technical exchange. It forms a cornerstone material for chemical synthesis with demanding requirements in purity, handling, and performance reliability. Unlike many other chemical commodities, aluminum chloride’s value rests not just in its formula but in the wisdom and discipline brought to bear at each step of its lifecycle. Handling it safely, shipping it efficiently, and adapting production to new applications remains a challenge and point of professional pride.

    Through shifts in supply pressure, regulatory standards, and the evolving needs of our customers, our approach remains rooted in practical expertise. Aluminum chloride keeps opening up opportunities for innovation, market growth, and collaborative problem solving. That perspective comes not from brochures or marketing trends, but through the lived experience of those who produce, test, improve, and stand behind every batch—not as a commodity, but as a carefully engineered tool for our partners across industry.