Sodium metaborate

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A white, odorless, crystalline compound. Sodium metaborate is made by fusing Borax and Sodium carbonate. It is used in photographic fixing and developing solutions.

See also Sodium borate.

Risks =

  • Noncombustible.
  • ThermoFisher: SDS

Physical and Chemical Properties

Soluble in water, methanol.

Composition NaBO2
CAS 7775-19-1
Melting Point 966 C
Density 2.464 g/ml
Boiling Point 1434 C


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