Lithium fluoride
Lithium fluoride (LiF), CAS 7789-24-4, is an inorganic salt with the molecular formula LiF and a molar mass of 25.94 g/mol. It presents as a white crystalline solid with a high melting point. This essential chemical finds significant application in materials science, particularly as a buffer layer material in organic photovoltaic devices and other electronic applications. Its properties also lend it to use in chemical synthesis and catalysis.
- IUPAC
- Fluorolithium
- Synonyms
- Fluorolithium
Materials Science
Lithium fluoride serves as a crucial buffer layer material in the fabrication of organic photovoltaic (OPV) cells and other organic electronic devices. Its electronic properties facilitate efficient charge transfer and device performance.
Chemical Synthesis
As a source of both lithium and fluoride ions, LiF is employed in various chemical synthesis pathways. It can be used as a reagent or catalyst in specific organic and inorganic transformations.
Inorganic Chemistry
This compound is a fundamental inorganic salt with applications in research and development within inorganic chemistry. It is utilized in studies involving ionic compounds and their properties.
Buffer Layer Applications
Specifically in the realm of electronics, LiF is valued for its role as a buffer layer, enhancing conductivity and stability in thin-film devices, including those for printed electronics.
| Molecular weight | 25.94 |
|---|---|
| Linear formula | LiF |
| Assay | 99.995% |
| Form | fused (pieces) |
| Density | 2.64 g/mL at 25 °C(lit.) |
| Loss on drying | ≤0.5% loss on ignition, 400 °C, 15 min. |
| Particle size | 2-15 mm |
| Melting point | 845 °C(lit.) |
Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P301IF SWALLOWED
- P305IF IN EYES
| 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) | 25-32-36/37/38 |
| Safety statements (S) | 22-26-36/37/39-45 |
| Supplemental hazards | Contact with acids liberates very toxic gas. |
| Cation traces | Fe: ≤50 mg/kg |
| Anion traces | chloride (Cl-): ≤50 mg/kgsulfate (SO42-): ≤500 mg/kg |
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 Lithium Fluoride used for?
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Lithium fluoride (LiF) is primarily used in materials science as a buffer layer material for organic photovoltaic (OPV) and other organic electronic devices. It also finds applications in chemical synthesis and inorganic chemistry research.
What are the CAS number and formula for Lithium Fluoride?
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The CAS number for Lithium Fluoride is 7789-24-4, and its chemical formula is LiF.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Lithium Fluoride with an assay of 99.995%. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should Lithium Fluoride be handled safely?
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Lithium Fluoride is classified as toxic and causes skin, eye, and respiratory irritation (H301, H315, H319, H335). Contact with acids liberates very toxic gas. Always use appropriate personal protective equipment, including eyeshields, gloves, and a P2 respirator cartridge. Handle in a well-ventilated area and avoid contact with acids.
Is Lithium Fluoride a controlled substance?
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The provided data does not indicate that Lithium Fluoride (CAS 7789-24-4) is a controlled or scheduled substance.
How is Lithium Fluoride shipped and exported?
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Lithium Fluoride is shipped and exported under UN 3288, hazard class 6.1, packing group III, indicating it is a toxic solid. Tech Serve Solutions adheres to all relevant shipping regulations for international export.
How can I request a quote or sample?
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To request a quote or a sample of Lithium Fluoride, please contact our sales department through the website or via direct inquiry, providing your specific requirements.
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