caustic soda

Product Description

Sodium hydroxide (corrosion) this product according to the hazardous chemical materials safety management regulations of public security departments by controls. shape Molten white particles or strip, is 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, alcohol 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. storage Sealing completely preserved. (namely can't open place. The air containing water vapor (H), carbon dioxide ₂ O ₂ (CO), and easy to be ChaoXie NaOH water vapor, easy and carbon dioxide reacts sodium carbonate (₂ CO ₃) making, also can go bad) use Widely applied to the sewage agents, basic analysis reagent preparation, analysis with standard lye, a small amount of carbon dioxide and water absorption agent, acid and sodium salt manufacturing. The manufacture of other contains hydrogen and oxygen