基(ji)本化(hua)(hua)學(xue)(xue)工(gong)(gong)(gong)業(ye)(ye)主要產(chan)品中的(de)鹽(yan)酸、燒(shao)堿(jian)、純堿(jian)、氯(lv)化(hua)(hua)銨、氯(lv)氣等主要是用工(gong)(gong)(gong)業(ye)(ye)鹽(yan)為(wei)原料(liao)生產(chan)的(de)。此(ci)外，還用于肥皂制造(zao)、陶瓷(ci)、玻璃(li)生產(chan)、日(ri)用化(hua)(hua)工(gong)(gong)(gong)、石油(you)鉆探、鉆井工(gong)(gong)(gong)作液(ye)、完(wan)井液(ye)、石油(you)化(hua)(hua)工(gong)(gong)(gong)脫(tuo)水液(ye)、建筑行(xing)業(ye)(ye)早強劑(ji)、生產(chan)涂料(liao)的(de)凝(ning)(ning)固劑(ji)、橡膠行(xing)業(ye)(ye)乳膠凝(ning)(ning)結劑(ji)、造(zao)紙(zhi)工(gong)(gong)(gong)業(ye)(ye)添加劑(ji)及廢紙(zhi)張(zhang)脫(tuo)墨、化(hua)(hua)學(xue)(xue)工(gong)(gong)(gong)業(ye)(ye)的(de)無機化(hua)(hua)工(gong)(gong)(gong)原料(liao)及硫酸根脫(tuo)除(chu)劑(ji)，褐藻酸鈉的(de)凝(ning)(ning)固劑(ji)、防治小麥、蘋(pin)果、白菜等腐(fu)爛及食(shi)品防腐(fu)劑(ji)、制取金(jin)屬鈉及其他鈉化(hua)(hua)合物、鋼(gang)鐵(tie)熱處(chu)理(li)介(jie)質等。在水處(chu)理(li)、公(gong)路除(chu)雪(xue)、制冷(leng)冷(leng)藏等方(fang)面，鹽(yan)也有廣泛的(de)用途(tu)。