Chinese Name: sodium bicarbonate Foreign name: sodium bicarbonate Also known as baking soda, sodium bicarbonate, acid sodium carbonate, baking soda Chemical formula NaHCO Molecular weight 84.01 CAS accession number 144-55-8 EINECS accession number 205-633-8 Melting point 270 (decomposition) 8 g / 100mL, 18 Density 2.159 g / C ã?¥ (solid) The appearance is white powder or monoclinic crystalline powder Attribute chemical reagent Feed, rubber, printing and dyeing, washing, glass Sodium bicarbonate can be directly used as raw material in pharmaceutical industry to treat gastric acid excess. It can also be used in film making, tanning, mineral processing, smelting, metal heat treatment, fiber and rubber industry. At the same time, it can be used as detergent for wool and seed soaking in agriculture. One of the most widely used loosening agents in the food industry is used to produce biscuits, cakes, steamed bread, bread, etc. it is a carbon dioxide generating agent in soft drinks; it can be compounded with alum into alkaline fermentation powder, or with soda ash for civil use; it can also be used as butter preservation agent. Fire fighting equipment is used to produce acid-base fire extinguishers and foam extinguishers. In rubber industry, it is used in rubber and sponge production to make holes even when it is combined with alum and H porogen. It is used as flux for casting ingots in metallurgical industry. The machine industry is used as the forming aid of cast steel (Foundry) sand mold. It is used in dyeing and printing industry as fixing agent, acid-base buffer and finishing agent. Adding sodium bicarbonate to the dyeing process can prevent the gauze from forming. The pharmaceutical industry is used as raw materials for acid making. It is used in dyeing and printing industry as fixing agent, acid-base buffer and finishing agent. Adding sodium bicarbonate in dyeing can prevent the yarn from forming colored flowers.