基本化(hua)(hua)學工(gong)(gong)(gong)業(ye)主要(yao)產品中的鹽(yan)酸、燒堿(jian)、純堿(jian)、氯化(hua)(hua)銨、氯氣等(deng)主要(yao)是(shi)用(yong)工(gong)(gong)(gong)業(ye)鹽(yan)為(wei)原料生產的。此外，還(huan)用(yong)于肥皂制(zhi)造、陶瓷(ci)、玻(bo)璃生產、日用(yong)化(hua)(hua)工(gong)(gong)(gong)、石(shi)油鉆探、鉆井工(gong)(gong)(gong)作(zuo)液(ye)、完井液(ye)、石(shi)油化(hua)(hua)工(gong)(gong)(gong)脫水(shui)(shui)液(ye)、建筑(zhu)行業(ye)早強(qiang)劑(ji)(ji)、生產涂料的凝固劑(ji)(ji)、橡膠(jiao)(jiao)行業(ye)乳膠(jiao)(jiao)凝結劑(ji)(ji)、造紙(zhi)工(gong)(gong)(gong)業(ye)添加劑(ji)(ji)及廢(fei)紙(zhi)張脫墨(mo)、化(hua)(hua)學工(gong)(gong)(gong)業(ye)的無機(ji)化(hua)(hua)工(gong)(gong)(gong)原料及硫(liu)酸根脫除劑(ji)(ji)，褐藻(zao)酸鈉的凝固劑(ji)(ji)、防治小麥、蘋果、白菜等(deng)腐(fu)(fu)爛(lan)及食品防腐(fu)(fu)劑(ji)(ji)、制(zhi)取金屬鈉及其他鈉化(hua)(hua)合物、鋼鐵熱處理(li)(li)介質等(deng)。在水(shui)(shui)處理(li)(li)、公路除雪、制(zhi)冷冷藏等(deng)方(fang)面，鹽(yan)也有廣泛的用(yong)途。