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      冰醋酸

      乙酸,也叫醋酸、冰醋酸,化學式CH3COOH,是一種有機一元酸,為食醋主要成分。純的無水乙酸(冰醋酸)是無色的吸濕性固體,凝固點為16.6℃(62℉),凝固后為無色晶體,其水溶液中弱酸性且腐蝕性強,蒸汽對眼和鼻有刺激性作用。

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