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What is the Sodium per borate ,give the structure and its uses?

Sodium per borate (NaBO3.H2O) (more correctly sodium dioxoborate peroxohydrate) is prepared from borax by treatment with NaOH to convert it to sodium borate (NaBO2) and further reaction with hydrogen peroxide.

Structure of sodium per borate:

The elementary structure of sodium per borate is a dianion B2O4(OH)42- in which two boron atoms are joined by two peroxy linkage(–B–O–O–B–O–O– )  in a chair-shaped 6-membered cyclic structure with two hydroxy groups attached to each boron atom and the ring adopts a chair conformation and the simplistic formula of sodium per borate is NaBO3·nH2O.

Uses:

Sodium borate is source of active oxygen used in teeth whiteners and bleaches and is also a disinfectant. It is also important additive to washing powders.

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