Гидросульфит натрия

Гидросульфит натрия (Formaldehyde is an aqueous solution containing 37–40% formaldehyde (CH2O) stabilized with methyl alcohol (methanol). It is a clear, colorless liquid with a pungent, suffocating odor and is used as a powerful antiseptic, tanning agent, and raw material for resin synthesis. Formaldehyde content: 37% pm 1% Methanol content (stabilizer): up to 8–10% Density: about 1.1 g/cm3 Boiling point: about 96°C Hazard class: Highly hazardous substance (class 2) State: Colorless liquid (formation of a white precipitate is allowed, which dissolves when heated to 40°C))