CAS 7784-18-1 identifies aluminum fluoride, an inorganic compound with the formula AlF3. Its principal industrial use is in primary aluminum production, where it is added to the molten electrolyte in electrolytic aluminum cells to help adjust bath chemistry and operating properties. Aluminum fluoride also has more specialized uses in some metallurgical, ceramic, glass, and chemical applications, but suitability depends on the process and material grade. At Azeal Materials, we help buyers assess product requirements against the intended use before requesting a quotation.
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Aluminum fluoride is a white or colorless inorganic solid supplied in forms that can vary by grade and production process. The anhydrous compound has a formula mass of approximately 83.98 g/mol and is generally discussed as a high-temperature industrial material. Physical properties can differ between anhydrous and hydrated forms, so buyers should check the product description rather than assume all materials sold as aluminum fluoride are identical.
In aluminum smelting, AlF3 is used as part of a molten fluoride electrolyte, commonly based on cryolite. It is not the aluminum metal product and is not a substitute for alumina, the aluminum-bearing feedstock. Its role is to help establish and maintain the bath composition required for the electrolytic reduction process.
Aluminum fluoride is added to the electrolyte to adjust its fluoride composition and influence the bath’s liquidus temperature and operating characteristics. The operating bath contains multiple components, and smelters manage their proportions according to cell design and process conditions. For that reason, AlF3 is typically used as a controlled process input rather than as a stand-alone flux.
Bath composition affects how an aluminum reduction cell operates, including the temperature range at which the electrolyte remains molten and its ability to dissolve alumina. Smelter operators use process monitoring and established operating procedures to determine additions. The required amount is not universal: it depends on the bath formulation, equipment, operating targets, and measured conditions at the plant.
This distinction matters for procurement. A buyer should not choose a grade or set a dosage from a generic product description alone. The plant’s technical team should define the required specification and handling conditions.
Aluminum fluoride may be considered for selected metallurgical formulations where fluoride chemistry is needed. Its use depends on the materials being processed, the required thermal behavior, and any process or environmental controls in place. Buyers should confirm that the specific application is appropriate for AlF3 and should not assume that it can replace another fluoride or flux on a one-to-one basis.
Some ceramic, glass, and specialty chemical processes may use aluminum fluoride or fluoride-bearing formulations for a defined process function. These are application-specific uses, not a universal recommendation for every glass or ceramic recipe. Formulators should evaluate compatibility, purity, particle characteristics, and the effect on the finished material before adopting a new source or grade.
For these smaller or specialized applications, technical review is especially important because the acceptable impurity profile and physical form can be different from those required by a smelter. Buyers should provide the intended use and any relevant process limits when requesting material information.
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Aluminum fluoride is commonly discussed in anhydrous and hydrated forms, and commercial offerings may also differ in particle size or physical condition. These differences can influence storage, dosing, transport, and process suitability. Buyers should confirm the exact chemical form and product description on the quotation and technical documents.
| Specification to Review | Why It Matters |
|---|---|
| Aluminum fluoride content or purity | Helps determine whether the product fits the process’s chemical requirements. |
| Moisture and loss on drying | Relevant to storage, handling, and processes that require controlled moisture. |
| Particle size or physical form | Can affect conveying, feeding, and dispersion in the buyer’s process. |
| Impurity profile | Allows buyers to compare material against application-specific limits. |
| Packaging and documentation | Supports safe handling, receiving, traceability, and internal approval. |
For reference, anhydrous aluminum fluoride is often listed with a melting point of approximately 1,291 °C and a density near 3.1 g/cm3. These are general reference values, not a guarantee of a particular supplied lot, and actual reported properties can depend on material form and measurement conditions. Buyers should rely on the applicable technical data sheet and lot documentation for purchasing decisions.
Start by stating whether the material is intended for aluminum smelting, another metallurgical process, or a specialized formulation. The application determines which chemical and physical properties need the closest review. A low price is not useful if the grade, moisture level, or particle form does not match the process.
Share your target purity, impurity limits, moisture requirement, particle size, packaging preference, and destination market with the supplier. Ask which specifications are available and what documents can accompany the shipment, such as a product specification or certificate of analysis, where applicable. Confirm that the documents describe the offered grade and the relevant lot rather than relying on a general product page.
Because aluminum fluoride is a chemical solid, buyers should review the supplier’s safety information and follow applicable workplace and transport requirements. Confirm packaging, storage conditions, shipment size, and delivery terms before placing an order. For ongoing consumption, discuss forecast volumes and shipment frequency so supply planning can be assessed alongside technical fit.
At Azeal Materials, we support B2B buyers seeking aluminum fluoride by reviewing the intended application and the specifications required for evaluation. We can discuss available product forms, packaging, order details, and the documentation that can be provided for the requested grade. Sharing your target specification and destination early helps us determine whether the available offer matches your purchasing requirements.
For a focused inquiry, include CAS 7784-18-1, the intended use, required grade or purity, particle-size range if applicable, quantity, packaging preference, destination, and requested delivery schedule. If you are qualifying a new source, identify any mandatory limits or approval documents before requesting a final offer. Product availability, lead time, and documentation should be confirmed for each inquiry.
CAS 7784-18-1 is aluminum fluoride, used chiefly as an electrolyte additive in primary aluminum production to help control molten-bath chemistry and operating properties. It may also serve selected metallurgical, ceramic, glass, or specialty chemical applications, but those uses require process-specific confirmation. The right grade depends on the intended use, chemical limits, moisture, particle characteristics, packaging, and documentation requirements.
To move from general research to sourcing, define your application and specification first, then request confirmation of the offered material and its supporting documents. Azeal Materials can review your requirements and discuss a suitable aluminum fluoride supply option for your inquiry.
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