基本(ben)化(hua)(hua)學工(gong)(gong)業(ye)主要(yao)產品中的鹽(yan)酸、燒堿、純堿、氯化(hua)(hua)銨(an)、氯氣(qi)等(deng)主要(yao)是用(yong)工(gong)(gong)業(ye)鹽(yan)為原料生(sheng)產的。此(ci)外,還用(yong)于(yu)肥(fei)皂制(zhi)造、陶瓷、玻璃生(sheng)產、日用(yong)化(hua)(hua)工(gong)(gong)、石(shi)油(you)鉆探、鉆井(jing)工(gong)(gong)作液(ye)、完井(jing)液(ye)、石(shi)油(you)化(hua)(hua)工(gong)(gong)脫水(shui)液(ye)、建筑行業(ye)早強劑(ji)(ji)、生(sheng)產涂料的凝固劑(ji)(ji)、橡膠行業(ye)乳膠凝結(jie)劑(ji)(ji)、造紙(zhi)工(gong)(gong)業(ye)添加劑(ji)(ji)及(ji)廢紙(zhi)張(zhang)脫墨、化(hua)(hua)學工(gong)(gong)業(ye)的無(wu)機(ji)化(hua)(hua)工(gong)(gong)原料及(ji)硫酸根(gen)脫除(chu)劑(ji)(ji),褐藻酸鈉的凝固劑(ji)(ji)、防(fang)治小麥、蘋果、白(bai)菜等(deng)腐爛及(ji)食品防(fang)腐劑(ji)(ji)、制(zhi)取金(jin)屬鈉及(ji)其他鈉化(hua)(hua)合(he)物(wu)、鋼鐵熱處理介質等(deng)。在水(shui)處理、公路除(chu)雪、制(zhi)冷冷藏(zang)等(deng)方面,鹽(yan)也有廣泛(fan)的用(yong)途。