Appearance: White powder ; Colourless crystals or white powder ; White, odorless powder. [Note: Readily absorbs CO2 from the air to form calcium carbonate.]
KNO3 – Potassium nitrate
Other names: Saltpeter, Saltpetre, Nitrate of potashNitric acid, potassium salt, Niter, Salt peter, Nitre
Appearance: White solid ; Colourless-to-white crystalline powder
Appearance: White solid, deliquescent ; White hygroscopic solid in various forms ; Odorless, white or slightly yellow lumps, rods, flakes, sticks, or pellets. [Note: May be used as an aqueous solution.]