caustic soda

详情

Molten white particles or strip, now often made into small flake. Easy to absorb moisture from the air and carbon dioxide. 1 g soluble in 0.9 ml cold water, 0.3 ml boiling water, 7.2 ml anhydrous alcohol, 4.2 ml methanol, soluble in glycerin. Soluble in water, ethanol or solution when mixed with acid produced intense heat. A strong alkali solution. The relative density of 2.*3. Melting point **8 ℃. Boiling point ***0 ℃. Half of the lethal dose (mice, celiac) *0 mg/kg. Corrosive. Its water solution has the astringency and satiny feeling. Sodium hydroxide to absorb carbon dioxide function, also is the biological experiment commonly used chemicals.