99.95% Cerium Chloride Heptahydrate for Catalyst Synthesis

Cerium Chloride Heptahydrate Product Overview

Cerium chloride is an important rare earth chloride compound that exists in two primary forms: anhydrous cerium chloride (CeCl₃) and hydrated cerium chloride, most commonly as cerium chloride heptahydrate (CeCl₃·7H₂O). This product page focuses on cerium chloride heptahydrate with purity levels of 99.95% and 99.99%, designated as model RECL-CE. These grades are specifically formulated for use in catalyst synthesis and other precision industrial applications where consistent chemical composition is required.

Cerium chloride heptahydrate serves as a versatile raw material across multiple industrial sectors. Its chemical properties make it suitable for processes ranging from petroleum refining to nanomaterial production. The compound is available in three standard purity grades: 3N (99.9%), 4N (99.99%), and 5N (99.999%), each tailored to meet the specific requirements of different manufacturing processes.

Cerium Chloride Heptahydrate Chemical Properties & Specifications

Key Chemical Characteristics

Anhydrous cerium chloride has a molecular weight of 246.47 and CAS number 7790-86-5. It appears as white crystals or powder with a melting point of 848°C and a boiling point of 1727°C. Cerium chloride heptahydrate has a molecular weight of 372.58 and CAS number 18618-55-8, appearing as colorless to pale yellow crystals. Both forms are soluble in water and ethanol, and insoluble in benzene and carbon tetrachloride. The hydrated form exhibits deliquescent properties, meaning it absorbs moisture from the air and requires sealed storage conditions.

Detailed Purity and Impurity Specifications

Cerium Chloride Heptahydrate Industrial Applications

Cerium chloride heptahydrate finds primary use in industrial catalysis. It serves as a precursor for petroleum refining catalysts and automobile exhaust purification catalysts, where its rare earth properties enhance catalytic activity and stability. In organic synthesis, it functions as a Lewis acid catalyst to promote oxidation reactions and other chemical transformations.

In material synthesis, cerium chloride heptahydrate is used as a raw material for the production of cerium metal through electrolytic reduction processes. It also acts as an additive in hard alloys to improve mechanical properties and as a precursor for the synthesis of nano cerium oxide, a material with applications in energy storage and environmental remediation.

Additional applications include use in wastewater treatment processes for the removal of heavy metal ions and catalytic degradation of organic pollutants. The compound also serves as a pharmaceutical intermediate and an additive in anti-corrosion coatings for metal surfaces.

Cerium Chloride Heptahydrate Storage & Handling Guidelines

Due to its deliquescent nature, cerium chloride heptahydrate must be stored in tightly sealed containers in a dry, well-ventilated area. Exposure to humid air will cause the compound to absorb moisture and dissolve, which can affect its chemical composition and performance in industrial processes.

When handling cerium chloride heptahydrate, standard laboratory and industrial safety practices should be followed. This includes wearing appropriate personal protective equipment such as gloves and safety glasses to prevent skin and eye contact. The compound should be kept away from incompatible materials and sources of ignition.

Frequently Asked Questions About Cerium Chloride Heptahydrate

What is the difference between anhydrous and heptahydrate cerium chloride?

Anhydrous cerium chloride (CeCl₃) contains no water molecules and has a higher melting point of 848°C. Cerium chloride heptahydrate (CeCl₃·7H₂O) contains seven water molecules per formula unit and appears as colorless to pale yellow crystals. The heptahydrate form is more commonly used in most industrial applications due to its easier handling and lower cost.

Which purity grade is suitable for catalyst synthesis?

For most catalyst synthesis applications, the 3N (99.9%) and 4N (99.99%) grades are typically used. The 5N (99.999%) grade is reserved for applications requiring extremely low impurity levels, such as in the production of high-purity nanomaterials and specialized electronic components.

How should cerium chloride heptahydrate be stored?

Cerium chloride heptahydrate should be stored in airtight, moisture-proof containers in a cool, dry location. The storage area should maintain low humidity levels to prevent the compound from absorbing moisture. Containers should be kept tightly sealed when not in use, and any unused material should be properly resealed after opening.