Soda ash

Chinese name: Soda Chinese Alias: sodium; soda; high-purity sodium carbonate; sodium carbonate (heavy); consumption of soda ash; sodium carbonate (food); anhydrous sodium carbonate; heavy soda ash; heavy ash; sodium carbonate (anhydrous ); standard solution of sodium carbonate; carbon oxygen; light sodium carbonate; sodium carbonate solution English name: Sodium carbonate Synonyms: Sodium carbonate anhydrous; Sodium carbonate solution; soda ash; disodium carbonate; Sodium carbonate-12C, 13C-depleted; calcined soda; Carbonic acid disodium salt; Sodium carbonate, high-purity; Sodium carbonate, dense; SODA ASH LIGHT; Anhydrous Sodium carbonate CAS number: 497-19-8 EINECS number: 207-838-8 Formula: Na2CO3 Molecular Weight: 105.99 InChI: InChI = 1 / CH2O3.2Na / c2-1 (3) 4 ;; / h (H2,2,3,4) ;; / q; 2 * + 1 / p-2 Molecular Structure: Density: 2.53 Melting point: 851 ℃ Boiling point: 1600 ℃ water soluble: 22 g / 100 mL (20 ℃) ??Properties: Appearance anhydrous sodium carbonate is pure white powder or granules. The relative density of 2.532 Melting point 851 ℃ Solubility soluble in water, aqueous solution is strongly alkaline at 35.4 ℃ maximum solubility, water soluble 49.7g per 100g of sodium carbonate (0 ℃ when 7.0g, 100 ℃ to 45.5g). Slightly soluble in ethanol, insoluble in alcohol. Usage: basic chemical raw material, widely used in medicine, papermaking, metallurgy, glass, textiles, dyes and other industries, for food industry and fermentation agent Hazard Symbols: Xi: Irritant; Risk Phrases: R36 :; Safety phrases: S22 :; S26 :;