Specifications Table

Product Name – LITHIUM FLUORIDE 98% Extra Pure
Quantity/Pack Size – 500 g
Form – Crystalline Powder
Grade – Extra Pure (98%)
Application – Optical coatings, X-ray monochromators, infrared spectroscopy

Product Overview

Lithium fluoride (LiF) 98% extra pure is a highly stable, crystalline inorganic compound known for its exceptional transparency across a wide range of wavelengths, including ultraviolet (UV), visible, and infrared (IR) spectra. This high-purity grade ensures minimal impurities, making it ideal for applications requiring precise optical properties. Its low refractive index and high resistance to thermal shock further enhance its suitability for demanding laboratory environments. The compound is chemically inert under normal conditions, offering long-term stability without degradation. Due to its unique combination of optical clarity, mechanical durability, and thermal resistance, lithium fluoride is widely utilized in specialized optical systems, including lenses, prisms, and windows for high-performance instrumentation. The extra pure grade guarantees consistency in experimental results, reducing variability caused by contaminants. Whether used in thin-film coatings, laser components, or spectroscopic analysis, this reagent delivers reliable performance for critical research applications.

FAQs

1. What is the typical shelf life of lithium fluoride 98% extra pure?

When stored in a cool, dry place in its original sealed container, lithium fluoride 98% extra pure maintains its stability for up to 3–5 years without significant degradation.

2. Is this grade of lithium fluoride compatible with vacuum deposition processes?

Yes, the 98% extra pure grade is suitable for vacuum deposition techniques, including physical vapor deposition (PVD), due to its low impurity levels and consistent evaporation characteristics.

3. Are there any known alternatives to lithium fluoride for UV-transparent optical applications?

Magnesium fluoride (MgF₂) and calcium fluoride (CaF₂) are common alternatives, though they differ in refractive index and transmission range, which may affect performance in specific setups.

4. What precautions should be taken when handling lithium fluoride powder?

Use protective gloves, safety goggles, and a lab coat to avoid skin or eye contact. Work in a well-ventilated area or fume hood to minimize inhalation risk, as fine particles can irritate respiratory pathways.

5. How does the purity of this lithium fluoride compare to analytical-grade variants?

This 98% extra pure grade contains fewer metallic and anionic impurities than standard analytical grades, making it better suited for applications where optical clarity and minimal signal interference are critical.