Lanthanum(III) chloride heptahydrate
Lanthanum(III) chloride heptahydrate (CAS: 10025-84-0), with the linear formula LaCl₃ · 7H₂O and a molecular weight of 371.37 g/mol, is a crystalline solid. Supplied by Tech Serve Solutions as an ACS reagent with a purity of ≥99.9%, it is primarily utilised in chemical synthesis and as a catalyst in various industrial processes. Its properties make it a valuable compound in inorganic chemistry research and development.

Catalysis
Lanthanum(III) chloride heptahydrate serves as a catalyst in organic reactions, facilitating transformations in polymerisation and other chemical processes. Its Lewis acidic nature is key to its catalytic activity.
Chemical Synthesis
This compound is a versatile reagent in the synthesis of various lanthanum-containing materials, including advanced ceramics and optical glasses. It acts as a precursor for other lanthanum compounds.
Inorganic Chemistry
It is employed as a source of lanthanum ions in fundamental inorganic chemistry research. It is used in the preparation of coordination complexes and novel inorganic materials.
| Molecular weight | 371.37 |
|---|---|
| Linear formula | LaCl3 · 7H2O |
| Assay | ≥99.9% |
| Grade | ACS reagent |
| Melting point | 91 °C (dec.)(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Lanthanum(III) chloride heptahydrate used for?
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Lanthanum(III) chloride heptahydrate is used in catalysis and various chemical synthesis applications, particularly within inorganic chemistry research and development.
What are the CAS number and formula for Lanthanum(III) chloride heptahydrate?
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The CAS number is 10025-84-0 and the linear formula is LaCl₃ · 7H₂O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Lanthanum(III) chloride heptahydrate as an ACS reagent with a minimum assay of 99.9%.
How should Lanthanum(III) chloride heptahydrate be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (N95 type), eyeshields, and gloves. Avoid inhalation of dust and contact with skin and eyes. It may cause skin, eye, and respiratory irritation (H315-H319-H335).
Is Lanthanum(III) chloride heptahydrate a controlled substance?
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No, the provided data does not indicate that Lanthanum(III) chloride heptahydrate is a controlled substance.
How are your chemicals packed and shipped?
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Tech Serve Solutions exports chemicals globally, ensuring appropriate packaging for safe transport according to international regulations. Contact us for specific shipping details.
How can I request a quote or sample?
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To request a quote or a sample of Lanthanum(III) chloride heptahydrate, please contact our sales department through the website or by phone.
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