Lithium nitrite

Lithium nitrite
Names
Preferred IUPAC name
Lithium nitrite
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.033.600 Edit this at Wikidata
EC Number
  • 23-976-1
  • InChI=1S/Li.HNO2/c;2-1-3/h;(H,2,3)/q+1;/p-1
    Key: IDNHOWMYUQKKTI-UHFFFAOYSA-M
  • InChI=1/Li.HNO2/c;2-1-3/h;(H,2,3)/q+1;/p-1
    Key: IDNHOWMYUQKKTI-REWHXWOFAV
  • [Li+].N(=O)[O-]
Properties
LiNO2
Molar mass 52.9465 g/mol
Appearance white, hygroscopic crystals[1]
Melting point 222 °C (432 °F; 495 K)[1]
49 wt.% (20 °C)[2]
Thermochemistry[3]
96.0 J/mol K
−372.4 kJ/mol
-302.0 kJ/mol
Enthalpy of fusion (ΔfH⦵fus)
 9.2 kJ/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Lithium nitrite is the lithium salt of nitrous acid, with formula LiNO2. This compound is hygroscopic and very soluble in water. It is used as a corrosion inhibitor in mortar.[4] It is also used in the production of explosives, due to its ability to nitrosate ketones under certain conditions.[5]

  1. ^ a b Haynes, p. 4.70
  2. ^ Haynes, p. 5.170
  3. ^ Haynes, pp. 5.25, 6.159
  4. ^ Cite error: The named reference Lee was invoked but never defined (see the help page).
  5. ^ Chen, M. F.; MacDonald, S. F. (1974). "Nitrosation with Lithium Nitrite". Canadian Journal of Chemistry. 52 (9): 1760–1761. doi:10.1139/v74-253.