碳酸氫鉀(potassium bicarbonate [3]<a id="ref_3_1425983" class="sup-anchor" style="color: #136ec2; position: relative; top: -100px; font-size: 0px; line-height: 0; user-select: none;" name="ref_3_1425983" data-log="summary" data-module="summary"></a> ),分子式為KHCO3,是一種<a style="color: #136ec2; text-decoration-line: none;" href="https://baike.baidu.com/item/%E6%97%A0%E6%9C%BA%E7%9B%90/2726998?fromModule=lemma_inlink" target="_blank" rel="noopener" data-lemmaid="2726998" data-log="summary" data-module="summary">無機鹽</a>,為無色透明單斜晶系晶體或白色晶體。無臭、味咸,易溶于水,其水溶液呈弱堿性。 [1]<a id="ref_1_1425983" class="sup-anchor" style="color: #136ec2; position: relative; top: -100px; font-size: 0px; line-height: 0; user-select: none;" name="ref_1_1425983" data-log="summary" data-module="summary"></a>
碳酸氫鉀在化工生產、食品加工、醫藥等領域有應用。