ZrCl₄ Properties, Uses, and Specifications: A Buyer’s Guide

Zirconium tetrachloride (ZrCl₄, CAS 10026-11-6) is a moisture-sensitive inorganic compound supplied as a solid and used mainly as a chemical intermediate and precursor. Buyers should assess more than the stated assay: moisture control, impurity limits, particle size, packaging, and intended process all affect whether a grade is suitable. Commonly reported reference properties include a molar mass of 233.04 g/mol, a sublimation temperature of about 331°C at atmospheric pressure, and a solid density of approximately 2.80 g/cm³. Values and product specifications should be confirmed against the supplier’s current documentation and the conditions relevant to your application.

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Who This Guide Is For

This guide is for procurement, process, and technical teams evaluating ZrCl₄ for manufacturing or research. It is designed to help you define a usable purchase specification, compare supplier offers, and identify questions that should be resolved before placing an order. It is not a substitute for a product-specific certificate of analysis (COA), safety data sheet (SDS), or process validation.

Properties and Basic Context

ZrCl₄ consists of zirconium and chlorine and is typically described as a white to off-white crystalline solid. Its behavior is important to handling: it reacts with water and can hydrolyze in moist air, so exposure during storage, sampling, or charging may affect product condition. It is also a volatile compound at elevated temperatures, which is why the reported sublimation point is relevant to processing and storage design.

Reference physical-property values are useful for initial evaluation, but they are not a guarantee of a specific commercial product’s performance. Physical behavior can depend on measurement conditions, purity, and the form of the material. For purchasing decisions, treat the supplier’s current technical data and lot-specific COA as the controlling documents.

Why Moisture Control Matters

Moisture can cause hydrolysis and change the chemical composition of ZrCl₄, potentially introducing oxygen-containing species or affecting downstream reactions. Buyers should clarify how moisture is measured, what limit applies, and whether the method is suitable for the intended use. Confirm that packaging and sampling procedures are designed to limit moisture exposure throughout storage and handling.

Uses and Application Matching

ZrCl₄ is used as a feedstock in zirconium metal production, including reduction processes that convert zirconium chloride to zirconium metal. It also serves as a zirconium-containing precursor or intermediate in chemical manufacturing and in selected catalyst and materials applications. The exact grade required depends on the chemistry, process controls, and impurity sensitivity of the downstream operation.

Match the Grade to the Process

For metal-production routes, buyers may focus on assay, moisture, and trace impurities that could influence reduction or metal quality. For catalyst-related or other chemical applications, consistency between lots and control of process-relevant contaminants may be more important than a headline purity figure alone. Where ZrCl₄ is used to prepare zirconium-containing materials, confirm whether the process can tolerate chloride, metallic impurities, or variation in particle form.

Do not assume that a grade described as “high purity” is automatically appropriate for every use. The term may not define a universal specification, and suppliers may use different limits or analytical methods. Share the intended application and your critical acceptance criteria with the supplier before comparing quotations.

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Types, Forms, and Specification Overview

Commercial ZrCl₄ is generally offered as a solid, but appearance, particle size, and packaging can vary by supplier and product grade. A buyer’s specification should describe the properties that directly affect receiving, handling, and production rather than relying only on a general grade name. The table below outlines common items to review; it does not establish universal acceptance limits.

Selection Framework for Buyers

1. Define the application. Tell the supplier whether the material is intended for metal production, chemical synthesis, catalysis, or another process. Include relevant operating conditions and any known impurity sensitivities.
2. Set acceptance criteria. Specify required assay, moisture, impurity limits, physical form, and test methods. Where a parameter is not critical, avoid setting an unnecessarily restrictive limit that may narrow sourcing options.
3. Review evidence for each lot. Request a representative COA and confirm which results are reported for every batch. Distinguish guaranteed limits from typical values and ask how out-of-specification material is handled.
4. Check handling and logistics. Confirm packaging, labeling, storage guidance, shipment documentation, and any applicable transport requirements for the destination and route.
5. Validate before scaling. If process performance is sensitive to grade or handling, evaluate a sample or trial quantity under your own approved procedures before committing to routine supply.

Pricing, MOQ, and Lead Time

ZrCl₄ pricing can depend on grade, required impurity limits, order quantity, packaging, documentation, and delivery destination. Minimum order quantities and lead times are supplier- and order-specific, so they should be confirmed in a written quotation rather than assumed from a general product listing. For planning, ask for the quoted validity period, available quantity, production or allocation status, and estimated dispatch window.

When comparing offers, evaluate the total delivered cost and specification fit, not only the unit price. A lower-priced offer may not be equivalent if its moisture limit, impurity coverage, packaging, or documentation differs from your requirements. Provide the same specification and delivery terms to each supplier to make quotations easier to compare.

Supplier Evaluation Checklist

Documents and Quality Controls

Ask whether the supplier can provide a current SDS, product specification, and lot-specific COA. Confirm that the COA identifies the batch and states analytical results or clearly defined limits, with relevant methods where available. If your organization requires additional documentation, explain that requirement before purchase so feasibility and any associated cost can be addressed.

Supply and Communication

Evaluate whether the supplier can discuss technical requirements clearly, confirm packaging and shipment details, and provide realistic information on availability. Ask how changes to specification, packaging, or delivery schedule are communicated. For recurring purchases, confirm how lot consistency and any agreed change-control expectations will be managed.

Handling and Safety Considerations

ZrCl₄ is moisture-sensitive and can react with water, so receiving, storage, and process handling should follow the product-specific SDS and your site’s risk assessment. Keep containers closed as directed and minimize unnecessary exposure during transfer or sampling. Use appropriate engineering controls and personal protective equipment selected by trained safety personnel; do not rely on a generic online description to establish a handling procedure.

Key Takeaways

• ZrCl₄ is a zirconium-containing solid used as a precursor or intermediate, including in zirconium metal production and other chemical applications.
• Its moisture sensitivity makes packaging, storage, sampling, and moisture testing important parts of the purchase decision.
• Reference values such as 233.04 g/mol, approximately 331°C sublimation at atmospheric pressure, and approximately 2.80 g/cm³ density help with initial technical review, but should not replace product-specific documentation.
• Define assay, moisture, impurity, particle-form, and documentation requirements around your actual process rather than choosing by grade name alone.
• Confirm price, minimum order quantity, availability, lead time, and shipping details directly with the supplier for the required specification and destination.

Conclusion: How to Source ZrCl₄ with Confidence

To select ZrCl₄ effectively, first match its grade and handling requirements to your application, then verify the critical limits through supplier documentation and lot-specific evidence. Pay particular attention to moisture control, impurity reporting, packaging, and shipment conditions, since these details can be as important as the stated assay. Before ordering, prepare a written specification and request a quotation against that exact requirement.

At Azeal Materials, we support B2B buyers evaluating ZrCl₄ by discussing product requirements, documentation, packaging, and order logistics. Share your target application, required specification, quantity, and delivery destination so we can review the fit and provide a quotation for your inquiry.