5524. Lithium Borate

Nomenclature

CAS number: 12007-60-2
Boron lithium oxide (B4Li2O7); lithium biborate; lithium tetraborate.
B4Li2O7; mol wt 169.12.
B 25.57%, Li 8.21%, O 66.22%.
Li2B4O7.

Description and references

Optical properties: T. Sugawara et al., Solid State Commun.107, 233 (1998).

Derivative

Pentahydrate.

Nomenclature

CAS number: 1303-94-2
B4Li2O7.5H2O; mol wt 259.20.
B 16.68%, Li 5.36%, O 74.07%, H 3.89%.

Properties

White, cryst powder. Slightly sol in water. Practically insol in alcohol.

Use

In enamels, X-ray fluorescence spectrometry, and medical dosimetry. Light acidic flux used mainly with alkaline samples such as cements and steel; flux component of eutectic mixtures.