Description

Trilithium Hexafluoroaluminate is an inorganic lithium salt with the chemical formula Li3AlF6. This compound is valued for its role as a specialized fluoride source and fluxing agent in high-performance materials manufacturing. It is primarily utilized in industries requiring precise control over lithium and fluoride content, such as advanced ceramics and specialty glass production. Its stable, non-hygroscopic nature under proper conditions makes it a reliable material for demanding technical applications.

Application

• Specialty Glass and Ceramics: Acts as a high-temperature flux and opacifier in the production of low-expansion glass and advanced ceramic composites.
• Electrolyte Additive: Used in the formulation of specialized electrolytes for lithium-ion and solid-state batteries to enhance ionic conductivity and interface stability.
• Welding & Brazing Fluxes: Serves as a key component in fluxes for aluminum and magnesium alloy welding, promoting clean, strong joints.
• Optical Coatings: Employed in the deposition of thin-film optical coatings where specific refractive indices are required.
• Laboratory Reagent: Functions as a high-purity reagent in synthetic chemistry and materials science research.
• Metal Surface Treatment: Used in processes for aluminum surface finishing and protective coating formulations.

Basic Information

Product Name	Trilithium Hexafluoroaluminate
CAS No.	13821-20-0
Molecular Formula	AlF6Li3
Molecular Weight	161.79 g/mol
Synonyms	Lithium Hexafluoroaluminate; Lithium Aluminum Fluoride; Li3AlF6; Cryolite, Lithium; Trilithium Aluminum Hexafluoride; Aluminum Lithium Fluoride (3:1:6); Aluminum Lithium Fluoride (AlF6Li3)
EINECS	237-531-4

Quality Control

Our Trilithium Hexafluoroaluminate is manufactured under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, assay, and impurity levels is provided with every shipment to guarantee traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep the container tightly sealed to minimize exposure to atmospheric moisture. Store away from incompatible materials such as strong acids.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (Li3AlF6)	≥ 99.0%
Moisture Content (KF)	≤ 0.5%
Particle Size (D50)	10 - 50 µm (Customizable)
Heavy Metals (as Pb)	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.