基(ji)本(ben)化(hua)(hua)(hua)學工(gong)(gong)業(ye)主要產(chan)品中的(de)鹽酸、燒(shao)堿、純堿、氯化(hua)(hua)(hua)銨、氯氣等主要是用(yong)(yong)工(gong)(gong)業(ye)鹽為原(yuan)料(liao)生產(chan)的(de)。此外，還用(yong)(yong)于肥(fei)皂制(zhi)(zhi)造、陶瓷(ci)、玻璃生產(chan)、日用(yong)(yong)化(hua)(hua)(hua)工(gong)(gong)、石油鉆(zhan)探、鉆(zhan)井(jing)工(gong)(gong)作(zuo)液(ye)、完井(jing)液(ye)、石油化(hua)(hua)(hua)工(gong)(gong)脫(tuo)水液(ye)、建筑行業(ye)早強劑(ji)(ji)(ji)、生產(chan)涂料(liao)的(de)凝固(gu)劑(ji)(ji)(ji)、橡(xiang)膠行業(ye)乳(ru)膠凝結劑(ji)(ji)(ji)、造紙(zhi)工(gong)(gong)業(ye)添(tian)加劑(ji)(ji)(ji)及(ji)(ji)(ji)廢(fei)紙(zhi)張脫(tuo)墨(mo)、化(hua)(hua)(hua)學工(gong)(gong)業(ye)的(de)無機化(hua)(hua)(hua)工(gong)(gong)原(yuan)料(liao)及(ji)(ji)(ji)硫(liu)酸根脫(tuo)除(chu)劑(ji)(ji)(ji)，褐(he)藻酸鈉(na)的(de)凝固(gu)劑(ji)(ji)(ji)、防(fang)治小麥、蘋果、白菜(cai)等腐爛及(ji)(ji)(ji)食品防(fang)腐劑(ji)(ji)(ji)、制(zhi)(zhi)取金屬(shu)鈉(na)及(ji)(ji)(ji)其他鈉(na)化(hua)(hua)(hua)合物、鋼鐵(tie)熱處理(li)介質(zhi)等。在(zai)水處理(li)、公(gong)路除(chu)雪、制(zhi)(zhi)冷(leng)冷(leng)藏等方面，鹽也有廣泛的(de)用(yong)(yong)途。