Lanthanum(III) hydroxide
Lanthanum(III) hydroxide (CAS: 14507-19-8, Formula: La(OH)3) is an inorganic compound with a molecular weight of 189.93 g/mol. This white powder is primarily used as a precursor in the synthesis of other lanthanum compounds, particularly in catalysis and materials science. It is also employed in various chemical synthesis applications. Tech Serve Solutions offers this essential chemical for research and industrial purposes.

Catalyst Precursor
Lanthanum(III) hydroxide serves as a key intermediate in the preparation of various lanthanum-based catalysts. These catalysts are vital in numerous industrial chemical processes, including catalytic cracking and emission control.
Chemical Synthesis
It is utilised as a starting material or reactant in the synthesis of diverse inorganic compounds and specialty materials. Its properties make it valuable for creating specific lanthanum-containing formulations.
Materials Science
This compound finds application in materials science for the development of advanced ceramics and phosphors. The controlled incorporation of lanthanum can impart unique optical and electronic properties.
| Molecular weight | 189.93 |
|---|---|
| Linear formula | La(OH)3 |
| Assay | 99.9% trace metals basis |
| Form | powder |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3262 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-27-36/37/39-45 |
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) hydroxide used for?
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Lanthanum(III) hydroxide is used as a precursor in chemical synthesis, particularly for producing other lanthanum compounds, and finds applications in catalysis and materials science.
What is the CAS number and formula for Lanthanum(III) hydroxide?
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The CAS number for Lanthanum(III) hydroxide is 14507-19-8, and its chemical formula is La(OH)3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Lanthanum(III) hydroxide with an assay of 99.9% trace metals basis. This is a technical/research grade, and TSS does not represent it as USP, BP, or EP grade.
What are the primary safety hazards associated with Lanthanum(III) hydroxide?
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Lanthanum(III) hydroxide causes severe skin burns and eye damage (H314). Appropriate personal protective equipment, including eye protection, gloves, and respiratory protection, must be used when handling this substance. Refer to the safety data sheet for full details.
How is Lanthanum(III) hydroxide packed, shipped, and exported?
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Lanthanum(III) hydroxide is packed according to UN 3262 8 / PGII regulations for safe transport. Tech Serve Solutions is experienced in global export and handling of chemical products.
How can I request a quote or sample for Lanthanum(III) hydroxide?
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To request a quote or a sample, please contact our sales team through the website or provide your details via the 'enquire' button on the product page.
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