Silver nitrite

Silver nitrite is an inorganic compound with the formula AgNO2.
Applications.
Silver nitrite has many applications. Notable examples include:
Production.
Silver nitrite is produced from the reaction between silver nitrate and an alkali nitrite, such as sodium nitrite. Silver nitrite is much less soluble in water than silver nitrate, and a solution of silver nitrate will readily precipitate silver nitrite upon addition of sodium nitrite:
Alternatively, it can be produced by the reaction between silver sulfate and barium nitrite.