O carbonato de potássio (CAS 584-08-7) é um sal inorgânico branco, inodoro, higroscópico, geralmente encontrado na forma de pó cristalino ou granulado, com ponto de fusão elevado (aproximadamente 891 °C) e solubilidade significativa em água. Classificado quimicamente como um carbonato alcalino, atua como uma base forte não volátil e estável termicamente, sendo amplamente empregado como agente de neutralização, catalisador e tampão em processos industriais. É um intermediário essencial na síntese de compostos orgânicos, incluindo fármacos, corantes reativos, agrotóxicos e aditivos para lubrificantes, além de desempenhar papel crítico na produção de vidros especiais, cerâmicas e eletrólitos para baterias. Suas aplicações consolidam-se nos setores farmacêutico, de agroquímicos, de materiais avançados, de revestimentos e de tecnologias de energia, onde sua capacidade de promover reações de acilação, alquilação e condensação é particularmente valorizada.
Potassium carbonate can be used as an alkaline agent and dough conditioner, and can also inhibit the souring of noodles. It can be applied to pasta food. Apply it in appropriate amount according to production requirement.Potassium carbonate can be used for the production of optical glass and can increase the transparency, strength and refractive co-efficiency of the glass. It can also be used in the production of welding electrodes and can prevent the phenomenon of breaking arc during welding. It can be used for the production of vat dyes and dyeing and the white discharge of ice dyeing. It can be used as the absorbent for removing hydrogen sulfide and carbon dioxide. When being mixed with soda ash, it can be used as a dry powder extinguishing agent.Potassium carbonate can also be used as the auxiliary material of acetone, and alcohol production and the antioxidant in the production of rubber. Its aqueous solution can be used for the scouring of cotton and the degreasing of wool. In addition, it can also be applied to the production of inks, pharmaceutical for photography, polyester, electroplating, leather, ceramic, building materials, crystal, potassium soap and medicine. Heavy potassium carbonate is mainly used as the raw material of production of kinescope glass shell and is widely used as the raw material of glass and special glass materials as well as being used for the decarbonization of chemical fertilizer.
It belongs to monoclinic, and is white powder or granular crystal. It is easily soluble in water but insoluble in alcohol and ether.
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