Sodium nitrite пищ (Ukraine) 3102501000
Sodium nitrite is a salt of nitrous acid - colorless or slightly yellowish crystals, readily soluble in water, hygroscopic.
Melting point 284 ° C; decomposition temperature> 320 ° C; density 2.17 g / cm³; solubility in water 82 g / 100 ml (20 ° C). An aqueous solution of sodium nitrite is alkaline. Purified sodium nitrite is a white or slightly yellowish crystalline powder.
In the food industry (food additive E250) it participates in sausage production processes as an antioxidant (to give smoked meats and sausages a characteristic pink-red color) and preservative (antibacterial agent), in medicine as a bronchodilator and vasodilator, as well as an antidote for cyanide poisoning.