Erbium(III) fluoride
Erbium(III) fluoride (CAS: 13760-83-3), with the molecular formula ErF3 and a molar mass of 224.25 g/mol, is a high-purity inorganic compound. Supplied as an anhydrous powder, this material is recognised for its utility in materials science and chemical synthesis. It serves as a critical component in the development of phosphors, as a dopant in various optical materials, and in alternative energy research.

Phosphor Materials
Erbium(III) fluoride is employed in the synthesis of phosphors used in lighting and display technologies. Its unique luminescent properties contribute to specific light emission characteristics.
Dopant Applications
This compound functions as a dopant in optical fibres and other advanced materials. It is used to modify the refractive index and enhance the optical performance of host materials.
Alternative Energy Research
ErF3 finds application in research related to alternative energy technologies. Its properties are being investigated for potential roles in advanced energy storage or conversion systems.
Chemical Synthesis
As a source of erbium, Erbium(III) fluoride is utilised in various inorganic and materials synthesis pathways. It acts as a precursor for the creation of novel erbium-containing compounds and materials.
| Molecular weight | 224.25 |
|---|---|
| Linear formula | ErF3 |
| Assay | 99.99% trace metals basis |
| Grade | anhydrous |
| Form | powder |

Hazard statements
- H301Toxic if swallowed
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P311Call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3288 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 23/24/25-32 |
| Safety statements (S) | 26-36/37/39-45 |
| Supplemental hazards | Contact with acids liberates very toxic gas. |
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 Erbium(III) fluoride used for?
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Erbium(III) fluoride is primarily used in the development of phosphor materials, as a dopant in optical applications, and in research for alternative energy technologies and chemical synthesis.
What are the CAS number and chemical formula for Erbium(III) fluoride?
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The CAS number for Erbium(III) fluoride is 13760-83-3, and its chemical formula is ErF3.
What grade and purity does Tech Serve Solutions supply for Erbium(III) fluoride?
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Tech Serve Solutions supplies Erbium(III) fluoride in anhydrous grade with an assay of 99.99% trace metals basis. We do not represent this product as USP, BP, or EP grade.
How should Erbium(III) fluoride be handled safely?
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Erbium(III) fluoride is classified as toxic if swallowed, in contact with skin, or if inhaled (H301 + H331 + H311). Contact with acids liberates very toxic gas. Handle with appropriate personal protective equipment, including eyeshields, face shields, gloves, and a P2 respirator. Ensure adequate ventilation and avoid contact with incompatible materials. Refer to the Safety Data Sheet for full handling instructions.
Is Erbium(III) fluoride a controlled substance?
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Based on the provided data, Erbium(III) fluoride is not listed as a controlled substance. However, it is classified as toxic and requires careful handling.
How is Erbium(III) fluoride packed and shipped?
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Erbium(III) fluoride is supplied as a powder. Shipments adhere to UN 3288, Class 6.1, Packing Group III regulations for toxic solid, inorganic, n.o.s. (Erbium(III) fluoride).
How can I request a quote or sample for Erbium(III) fluoride?
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To request a quote or sample for Erbium(III) fluoride, please contact our sales department via the website or by phone. Our team will be pleased to assist you with your requirements.
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