基(ji)本化(hua)(hua)學工(gong)(gong)(gong)業(ye)主要(yao)產品中的(de)(de)鹽(yan)酸、燒堿、純堿、氯化(hua)(hua)銨、氯氣等(deng)主要(yao)是用(yong)工(gong)(gong)(gong)業(ye)鹽(yan)為原料(liao)生產的(de)(de)。此(ci)外，還用(yong)于肥皂制造、陶(tao)瓷(ci)、玻璃生產、日用(yong)化(hua)(hua)工(gong)(gong)(gong)、石油鉆(zhan)探(tan)、鉆(zhan)井工(gong)(gong)(gong)作液(ye)、完井液(ye)、石油化(hua)(hua)工(gong)(gong)(gong)脫(tuo)水(shui)液(ye)、建(jian)筑行(xing)(xing)業(ye)早(zao)強劑、生產涂料(liao)的(de)(de)凝(ning)(ning)(ning)固(gu)劑、橡(xiang)膠(jiao)行(xing)(xing)業(ye)乳膠(jiao)凝(ning)(ning)(ning)結劑、造紙(zhi)(zhi)工(gong)(gong)(gong)業(ye)添(tian)加劑及(ji)(ji)廢紙(zhi)(zhi)張脫(tuo)墨(mo)、化(hua)(hua)學工(gong)(gong)(gong)業(ye)的(de)(de)無機化(hua)(hua)工(gong)(gong)(gong)原料(liao)及(ji)(ji)硫酸根(gen)脫(tuo)除劑，褐藻酸鈉的(de)(de)凝(ning)(ning)(ning)固(gu)劑、防(fang)治小麥、蘋(pin)果(guo)、白(bai)菜等(deng)腐(fu)(fu)爛及(ji)(ji)食品防(fang)腐(fu)(fu)劑、制取金屬鈉及(ji)(ji)其他鈉化(hua)(hua)合物、鋼(gang)鐵熱處理(li)介(jie)質等(deng)。在水(shui)處理(li)、公路除雪、制冷(leng)冷(leng)藏等(deng)方面，鹽(yan)也(ye)有廣泛的(de)(de)用(yong)途。