工(gong)業(ye)鹽，是(shi)化(hua)(hua)學(xue)工(gong)業(ye)的最基(ji)本原料之一，主要(yao)(yao)成分(fen)有氯(lv)化(hua)(hua)鈉、亞硝酸(suan)(suan)鈉等(deng)，被(bei)稱為(wei)“化(hua)(hua)學(xue)工(gong)業(ye)之母”。基(ji)本化(hua)(hua)學(xue)工(gong)業(ye)主要(yao)(yao)產品中的鹽酸(suan)(suan)、燒堿、純堿、氯(lv)化(hua)(hua)銨(an)、氯(lv)氣(qi)等(deng)主要(yao)(yao)是(shi)用工(gong)業(ye)鹽為(wei)原料生產的。

　　基本化(hua)學工(gong)(gong)(gong)(gong)業(ye)主要(yao)(yao)產品中(zhong)的鹽(yan)酸(suan)、燒堿、純堿、氯化(hua)銨、氯氣等主要(yao)(yao)是用工(gong)(gong)(gong)(gong)業(ye)鹽(yan)為原(yuan)(yuan)料(liao)生產的。此(ci)外，還用于肥皂(zao)制造、陶(tao)瓷、玻璃生產、日用化(hua)工(gong)(gong)(gong)(gong)、石油鉆探、鉆井工(gong)(gong)(gong)(gong)作液(ye)、完井液(ye)、石油化(hua)工(gong)(gong)(gong)(gong)脫水液(ye)、建筑行(xing)業(ye)早(zao)強劑、生產涂料(liao)的凝固(gu)劑、橡膠(jiao)行(xing)業(ye)乳膠(jiao)凝結(jie)劑、造紙工(gong)(gong)(gong)(gong)業(ye)添加劑及(ji)廢(fei)紙張脫墨、化(hua)學工(gong)(gong)(gong)(gong)業(ye)的無(wu)機化(hua)工(gong)(gong)(gong)(gong)原(yuan)(yuan)料(liao)及(ji)硫(liu)酸(suan)根脫除劑，褐藻酸(suan)鈉(na)(na)(na)的凝固(gu)劑、防治小麥、蘋果(guo)、白菜等腐(fu)(fu)爛(lan)及(ji)食品防腐(fu)(fu)劑、制取金屬(shu)鈉(na)(na)(na)及(ji)其(qi)他鈉(na)(na)(na)化(hua)合物、鋼鐵熱處理介質等。在水處理、公路除雪(xue)、制冷冷藏等方面，鹽(yan)也有廣(guang)泛(fan)的用途(tu)