If you are sourcing zirconium tetrachloride, the correct ZrCl4 CAS No is 10026-11-6. Its chemical formula is ZrCl4, and its approximate molar mass is 233.04 g/mol. I use this identification information as the starting point for product qualification because CAS number, formula, purity, physical form, packaging, and moisture-control requirements all affect whether a grade is suitable for your process.
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Zirconium tetrachloride is a moisture-sensitive inorganic chloride used mainly as an intermediate for zirconium metal and zirconium-containing compounds. It is also relevant to selected catalyst, coating, vapor-phase deposition, and advanced materials applications. Because it reacts with water and can release hydrogen chloride during hydrolysis, buyers should evaluate it as a controlled, corrosive chemical rather than as a routine dry powder.
ZrCl4 is zirconium in the +4 oxidation state combined with four chloride atoms. At ordinary conditions, it is generally supplied as a white to off-white crystalline solid, although appearance can change when the material has been exposed to moisture or has formed hydrolysis products. The compound is strongly moisture-sensitive, so its observed condition depends heavily on handling, container integrity, and storage history.
For procurement, I recommend confirming the identity through the CAS number, chemical formula, product specification, and certificate of analysis. A product described only as “zirconium chloride” may not provide enough information because zirconium oxychloride, hydrated materials, and other zirconium compounds have different compositions and applications. The buyer should also confirm whether the requirement is for anhydrous ZrCl4.
The most important property of ZrCl4 is its reactivity with moisture. Contact with water can cause hydrolysis, producing acidic species that may include hydrogen chloride and zirconium oxychloride or hydrated zirconium products. This reaction can affect purity, generate fumes, and change the material’s suitability for sensitive synthesis or vapor-phase processing.
| Property | Typical identification or consideration |
|---|---|
| Chemical name | Zirconium tetrachloride |
| CAS Number | 10026-11-6 |
| Chemical formula | ZrCl4 |
| Approximate molar mass | 233.04 g/mol |
| Physical form | White or off-white crystalline solid when properly maintained |
| Moisture behavior | Hydrolyzes on contact with water or humid air |
| Thermal behavior | Commonly handled as a sublimable, high-temperature chloride; reported sublimation behavior is near 331 °C |
Reported physical values can vary with measurement method, purity, and material condition. I therefore advise buyers to treat the table as a technical orientation rather than a replacement for the supplier’s current specification or safety data sheet. For high-temperature or vapor-phase applications, the exact thermal behavior, transport method, and system pressure should be confirmed with process engineers.
One of the established industrial roles of ZrCl4 is as an intermediate in zirconium metal production. In metallurgical routes, purified zirconium tetrachloride can be reduced to produce zirconium metal or zirconium-containing material. The required grade depends on the downstream process, impurity limits, and the intended performance of the final metal.
ZrCl4 is also used to prepare other zirconium chemicals, including selected zirconium alkoxides, complexes, and oxide-related materials. Its value comes from the reactivity of the zirconium center, which allows it to participate in controlled chemical transformations under dry or inert conditions. For these applications, buyers commonly focus on assay, trace metals, water content, and consistent batch-to-batch performance.
In research and industrial development, zirconium tetrachloride can serve as a reagent or precursor in catalyst chemistry and advanced material synthesis. It may also be considered for vapor-phase deposition research, including processes where a zirconium source is introduced into a controlled reactor. Suitability is highly process-specific because volatility, ligand chemistry, reactor temperature, and moisture exclusion all influence deposition or reaction behavior.
Zirconium-based materials are valued in applications that require chemical stability, thermal performance, or specific surface properties. ZrCl4 can therefore appear upstream in the preparation of zirconia, zirconium coatings, and other specialty materials. It is not automatically the best precursor for every coating or ceramic process, so I recommend comparing it with zirconium alkoxides, organometallic precursors, or preformed zirconium oxide according to the intended process.
The correct selection begins with the application rather than the product name. A general-purpose synthesis may tolerate a different impurity profile from a metal-production, catalyst, electronics, or vapor-phase deposition process. Before requesting a quotation, I recommend preparing a short technical brief that states the required purity, particle or crystal form if relevant, maximum water content, packaging atmosphere, quantity, and delivery destination.
Ask the supplier to confirm CAS No. 10026-11-6, formula ZrCl4, and the stated assay method. If the process is sensitive to contamination, request a defined impurity panel rather than relying only on a headline purity percentage. Important potential specifications may include iron, silicon, aluminum, titanium, hafnium, alkali metals, and residual moisture, depending on the application.
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Because ZrCl4 hydrolyzes, packaging is a technical requirement, not merely a logistics detail. Buyers should ask whether the material is packed in sealed moisture-barrier containers, under dry conditions, or with an inert-gas headspace where appropriate. The packaging format should also match the customer’s receiving and dispensing equipment so that repeated opening does not expose the full batch to humid air.
Laboratory users may need smaller containers and detailed analytical documentation, while industrial customers may require drums, multiple units, or scheduled shipments. The supplier should clarify minimum order quantity, available pack sizes, production or preparation lead time, export documentation, and transport classification before the purchase order is issued. These details reduce the risk of receiving technically suitable material in an impractical format.
ZrCl4 should be handled according to the current safety data sheet and applicable workplace regulations. It can be corrosive and irritating, particularly when moisture produces acidic hydrolysis products. Appropriate controls generally include a dry, ventilated working environment, chemical-resistant gloves, protective clothing, eye and face protection, and procedures that prevent inhalation of dust or fumes.
Do not add water to ZrCl4 or clean spills with water unless the approved emergency procedure specifically requires it. Water contact can generate heat, acidic vapors, and hydrolysis products, making an uncontrolled response more hazardous. Spill response, waste management, fire precautions, and first-aid measures must be taken from the supplier’s current SDS and the site’s chemical safety program.
I also recommend establishing a receiving inspection procedure. Record the container condition, lot number, net weight, appearance, documentation, and any signs of moisture exposure before the material enters production. If the product has changed color, become sticky, formed unusual deposits, or generated fumes, isolate it and consult the responsible safety and quality personnel.
The price of ZrCl4 depends on purity, impurity control, packaging, order quantity, documentation, production route, and destination requirements. A lower quoted price may not represent lower total cost if the material requires repacking, additional testing, special storage, or expedited replacement. For a meaningful comparison, request quotations using the same grade, quantity, packaging, Incoterm, and documentation requirements.
When I evaluate a supplier, I look for clear product identification, a traceable lot number, a current certificate of analysis, a safety data sheet, transparent packaging information, and practical communication about moisture control. A reliable supplier should also explain what can be customized and what cannot be guaranteed. Buyers should avoid unsupported claims such as “universal electronic grade” or “zero moisture” unless the specification and test method are clearly defined.
At Azeal Materials, we support B2B buyers who need zirconium tetrachloride with clear technical communication and export-oriented supply coordination. I can help customers define the required grade, quantity, packaging format, documentation, and delivery expectations before quotation. Our role is to connect the product specification with the buyer’s actual process requirements rather than treating every ZrCl4 inquiry as the same.
For an efficient inquiry, please provide your target quantity, intended application, required purity or impurity limits, preferred packaging, destination country, and requested delivery schedule. We can then review the appropriate supply option and identify which documents or quality controls are needed for your evaluation. This approach helps reduce specification gaps and supports a more predictable purchasing decision.
ZrCl4 is the correct material to investigate when your process requires an anhydrous zirconium chloride intermediate or precursor, but its moisture sensitivity makes specification and handling especially important. Confirm the CAS number, formula, assay, impurity profile, packaging, and safety documentation before purchase. Then match the grade to the actual process rather than selecting solely by price or nominal purity.
As your next step, prepare your technical and logistics requirements and send them to Azeal Materials for review. We can help assess the suitable ZrCl4 supply format, documentation package, and commercial route for your project. This gives your procurement, quality, and production teams a clearer basis for qualification and ordering.
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