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Barium nitrite is a chemical compound with the formula Ba(NO₂)₂, the nitrous acid salt of barium. It is a water-soluble white to yellowish powder.^[1] It is used to prepare other metal nitrites, such as lithium nitrite.

Synthesis

Barium nitrite can be prepared by reacting barium nitrate with lead metal sponge, or by reaction of lead nitrite with barium chloride.^[2]

The monohydrate can be crystallized from a stoichiometric solution of barium chloride and sodium nitrite.^[1]

References

^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l Perry, Dale L. (2016-04-19). Handbook of Inorganic Compounds. CRC Press. p. 54. ISBN 978-1-4398-1462-8.
^ Schlessinger GG (1962). Inorganic laboratory preparations. pp. 34–35.

[rdp-we-cite_note-handbook-1] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l Perry, Dale L. (2016-04-19). Handbook of Inorganic Compounds. CRC Press. p. 54. ISBN 978-1-4398-1462-8.

[rdp-we-cite_note-2] Schlessinger GG (1962). Inorganic laboratory preparations. pp. 34–35.

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