Zirconium tetrachloride, written as ZrCl4, has CAS Registry Number 10026-11-6. Its chemical identity describes a compound containing zirconium and chlorine, with one zirconium atom for every four chlorine atoms. The compound’s molar mass is approximately 233.04 g/mol. For B2B purchasing, check the CAS number alongside the formula, grade, purity specification, and safety documentation rather than using the identifier alone.
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ZrCl4 is the molecular formula for zirconium tetrachloride, also called zirconium(IV) chloride. The “IV” indicates zirconium in the +4 oxidation state, balanced by four chloride ions. Its CAS number, 10026-11-6, is a substance identifier used in chemical records and commercial documentation. It is not a grade or purity designation and does not, by itself, confirm a particular product’s composition or suitability for an application.
| Identifier or property | Information | Purchasing relevance |
|---|---|---|
| Common chemical name | Zirconium tetrachloride | Use the name together with the formula when identifying the requested material. |
| CAS Registry Number | 10026-11-6 | Helps distinguish the substance in supplier and regulatory records. |
| Chemical formula | ZrCl4 | Indicates one zirconium atom and four chlorine atoms per formula unit. |
| Molar mass | Approximately 233.04 g/mol | Useful for stoichiometric calculations and process planning. |
The name zirconium tetrachloride describes the composition directly: “zirconium” identifies the metal, and “tetrachloride” indicates four chlorine atoms. In ionic terms, zirconium is commonly represented in the +4 oxidation state, while each chloride carries a −1 charge. Four chloride ions therefore balance one zirconium ion, giving the formula ZrCl4.
The formula is useful for distinguishing zirconium tetrachloride from other zirconium compounds, including zirconium oxides, oxychlorides, and other zirconium chlorides. These substances are not interchangeable simply because they contain zirconium. If a purchase specification, process document, or safety file calls for ZrCl4, confirm that the supplier’s product documentation identifies zirconium tetrachloride rather than a related material.
A CAS number is a chemical substance identifier, not a complete commercial description. Two suppliers may list the same CAS number while offering products with different stated assay limits, impurity profiles, particle characteristics, packaging, or handling requirements. The number does not establish that a material meets a buyer’s application-specific quality criteria.
For procurement, compare the CAS number and formula with the product name on the quotation, specification sheet, label, and safety data sheet. If any document uses a different name or formula, ask the supplier to clarify the material identity before placing an order. This simple check can help prevent confusion between ZrCl4 and chemically related zirconium products.
Zirconium tetrachloride is generally supplied as a solid and is moisture-sensitive. Contact with water can cause hydrolysis and produce acidic products, including hydrogen chloride; the exact behavior depends on conditions and the amount of moisture. For this reason, buyers should review the supplier’s safety data and storage instructions before receiving, opening, or transferring the material.
Reference sources commonly report a sublimation temperature of about 331 °C, although reported values and measurement conditions should be checked against the reference or product documentation used for a specific process. This figure is not a recommended operating temperature, storage condition, or guarantee of performance. If thermal behavior matters to your application, request relevant product data and assess it under the conditions of your process.
As a composition check, the approximate molar-mass contribution from zirconium is 91.22 g/mol, while the four chlorine atoms together contribute approximately 141.80 g/mol. These values total approximately 233.02 g/mol using rounded atomic masses; the commonly stated molar mass of ZrCl4 is approximately 233.04 g/mol, depending on the atomic weights and rounding convention used. Such figures support formula-based calculations but do not replace a lot-specific certificate or assay report.
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ZrCl4 is used as a zirconium-containing chemical intermediate and as a starting material in processes that require a chloride form of zirconium. Its role depends on the reaction route, downstream product, and process controls. A buyer should identify the intended use before selecting grade and setting acceptance criteria.
Potential application contexts include research and development, inorganic synthesis, and industrial processes where zirconium tetrachloride is specified as a reactant or precursor. This does not mean every grade is appropriate for every use. For sensitive synthesis or controlled production, establish the required assay, trace-impurity limits, packaging format, and documentation with the supplier before ordering.
Commercial product options may differ by grade, stated purity, impurity limits, and packaging. Availability and specifications can vary by supplier and order requirements, so buyers should not infer a specific grade from the CAS number alone. Instead, submit a written specification that matches the material to the intended application.
Start by comparing the product name, CAS number, and formula across the quotation and technical documents. Next, assess whether the stated grade and impurity limits fit the application’s process requirements. If the application involves moisture-sensitive handling, confirm that the supplier’s packaging and handling guidance are suitable for your receiving and storage arrangements.
Do not treat a generic specification as proof that every delivered lot will meet an unlisted requirement. If a particular impurity, assay method, or document is mandatory, include it in the inquiry and request written confirmation. This makes the purchasing basis clearer for both the buyer and supplier.
At Azeal Materials, we support B2B inquiries by helping buyers clarify the requested chemical identity and align product requirements with the intended use. When requesting zirconium tetrachloride, provide the required grade or purity, target quantity, destination, and any important impurity or documentation requirements. We can then confirm the applicable product information and discuss availability, packaging, and commercial terms for the specific inquiry.
For a technical or regulated application, share the relevant acceptance criteria before purchase rather than relying on the CAS number alone. Ask for the current product specification and safety information needed for your internal review. Requirements and available documentation should be confirmed for the product and order under discussion.
The CAS number for zirconium tetrachloride is 10026-11-6, and its formula is ZrCl4. The name, formula, and CAS number together identify the substance, while the approximate molar mass is 233.04 g/mol. The CAS number does not define a commercial grade, purity, impurity profile, or packaging format.
To move from identification to sourcing, match the CAS number and formula against the quotation and product documents, then state your application-specific grade and acceptance requirements. Contact Azeal Materials with your target quantity, destination, and documentation needs to discuss a suitable supply option. Confirm the specification and handling information before placing an order.
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