Sodium bromite

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Sodium bromite
Names
IUPAC name
Sodium bromite
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.028.446 Edit this at Wikidata
EC Number
  • 231-290-9
UNII
  • InChI=1S/BrHO2.Na/c2-1-3;/h(H,2,3);/q;+1/p-1
    Key: NYCVSSWORUBFET-UHFFFAOYSA-M
  • [O-]Br=O.[Na+]
Properties
NaBrO2
Molar mass 134.892 g·mol−1
Appearance Yellow solid
Density 2.22 g/cm3 (trihydrate)
Structure
Triclinic
P1
Ci
a = 5.42 Å, b = 6.44 Å, c = 9.00 Å
α = 72.8°, β = 87.9°, γ = 70.7°
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Sodium bromite is a sodium salt of bromous acid. Its trihydrate, NaBrO2·3H2O, has been isolated in crystal form. It is used by the textile refining industry as a desizing agent for oxidative starch removal.[1]

It is also used as an oxidizing agent for converting alcohols to aldehydes, such as the conversion of benzyl alcohol to benzaldehyde, and for the Hofmann degradation of amides to amines.[2]

References

  1. ^ Holleman, A. F.; Wiberg, Egon; Wiberg, Nils (2001). Inorganic Chemistry. Academic Press. p. 449. ISBN 9780123526519. Retrieved 7 October 2018.
  2. ^ Makoto Okawara (1984). "亜臭素酸ナトリウム" [Sodium bromite]. Journal of Synthetic Organic Chemistry, Japan (in Japanese). 42 (8): 751–754. doi:10.5059/yukigoseikyokaishi.42.751.


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