工業鹽，是(shi)化(hua)(hua)學工業的(de)最(zui)基本(ben)原(yuan)料之(zhi)一，主(zhu)要(yao)成分(fen)有(you)氯(lv)化(hua)(hua)鈉、亞硝酸鈉等，被稱為(wei)“化(hua)(hua)學工業之(zhi)母”。基本(ben)化(hua)(hua)學工業主(zhu)要(yao)產(chan)品中的(de)鹽酸、燒堿(jian)、純堿(jian)、氯(lv)化(hua)(hua)銨、氯(lv)氣等主(zhu)要(yao)是(shi)用工業鹽為(wei)原(yuan)料生產(chan)的(de)。

　　基本化(hua)(hua)學工(gong)(gong)(gong)業(ye)(ye)主要(yao)產(chan)品中(zhong)的(de)(de)鹽酸、燒堿(jian)、純(chun)堿(jian)、氯化(hua)(hua)銨(an)、氯氣等主要(yao)是用(yong)(yong)工(gong)(gong)(gong)業(ye)(ye)鹽為原料(liao)生產(chan)的(de)(de)。此外，還用(yong)(yong)于肥(fei)皂制造(zao)、陶(tao)瓷、玻(bo)璃(li)生產(chan)、日用(yong)(yong)化(hua)(hua)工(gong)(gong)(gong)、石油鉆探、鉆井工(gong)(gong)(gong)作液(ye)、完井液(ye)、石油化(hua)(hua)工(gong)(gong)(gong)脫水液(ye)、建筑(zhu)行業(ye)(ye)早強劑(ji)(ji)、生產(chan)涂料(liao)的(de)(de)凝(ning)固(gu)劑(ji)(ji)、橡膠行業(ye)(ye)乳膠凝(ning)結劑(ji)(ji)、造(zao)紙工(gong)(gong)(gong)業(ye)(ye)添(tian)加劑(ji)(ji)及(ji)廢紙張脫墨、化(hua)(hua)學工(gong)(gong)(gong)業(ye)(ye)的(de)(de)無機化(hua)(hua)工(gong)(gong)(gong)原料(liao)及(ji)硫酸根脫除劑(ji)(ji)，褐藻酸鈉的(de)(de)凝(ning)固(gu)劑(ji)(ji)、防治小(xiao)麥、蘋果(guo)、白菜等腐(fu)爛及(ji)食(shi)品防腐(fu)劑(ji)(ji)、制取金屬(shu)鈉及(ji)其他鈉化(hua)(hua)合(he)物(wu)、鋼鐵(tie)熱處理介質等。在水處理、公路除雪、制冷(leng)(leng)冷(leng)(leng)藏等方面，鹽也有廣泛(fan)的(de)(de)用(yong)(yong)途(tu)