8639. Sodium Metaborate

Nomenclature

CAS number: 7775-19-1
BNaO2; mol wt 65.80.
B 16.43%, Na 34.94%, O 48.63%.
NaBO2.

Description and references

Obtained by fusing equivalent mol wts of borax and sodium carbonate.

Properties

White pieces or powder. mp 966°. Sol in water, the soln being strongly alkaline.