Lithium Iodide Hydrate (LiI.xH2O)-Powder

Characteristic

Lithium iodide, or LiI, is a compound of lithium and iodine. When exposed to air, it becomes yellow in color, due to the oxidation of iodide to iodine. It crystallizes in the NaCl motif. It can participate in various hydrates.

Chemical formula：LiI

Molar mass：133.85 g/mol

Appearance：White crystalline solid

Density：4.076 g/cm³ (anhydrous);3.494 g/cm³ (trihydrate)

Melting point：469 °C (876 °F; 742 K)

Boiling point： 1,171 °C (2,140 °F; 1,444 K)

Solubility in water：1510 g/L (0 °C);1670 g/L (25 °C);4330 g/L (100 °C) 

Solubility：soluble in ethanol, propanol, ethanediol, ammonia

Solubility in methanol：3430 g/L (20 °C)

Solubility in acetone：426 g/L (18 °C)

Magnetic susceptibility (χ)：−50.0·10⁻⁶ cm³/mol

Refractive index (nD)：1.955

Application

Lithium iodide hydrate is used as a reagent for ester cleavage and decarboxylation and C-C bond forming reactions. It is also used as source of nucleophilic iodide, as a mild lewis acid, epoxide opening and as an additive for organometallic-mediated transformations.