工業鹽，是(shi)化學工業的最基本(ben)原料(liao)之(zhi)一，主要(yao)(yao)(yao)成(cheng)分(fen)有氯化鈉(na)、亞硝酸鈉(na)等，被稱(cheng)為“化學工業之(zhi)母”。基本(ben)化學工業主要(yao)(yao)(yao)產品中(zhong)的鹽酸、燒(shao)堿(jian)、純(chun)堿(jian)、氯化銨(an)、氯氣等主要(yao)(yao)(yao)是(shi)用工業鹽為原料(liao)生產的。

　　基本化(hua)(hua)學(xue)工(gong)(gong)(gong)業(ye)(ye)主要(yao)產(chan)(chan)品中的鹽(yan)(yan)酸(suan)、燒堿、純堿、氯化(hua)(hua)銨、氯氣等(deng)主要(yao)是(shi)用(yong)工(gong)(gong)(gong)業(ye)(ye)鹽(yan)(yan)為原料(liao)生產(chan)(chan)的。此外，還用(yong)于肥皂(zao)制(zhi)造(zao)、陶(tao)瓷、玻璃生產(chan)(chan)、日(ri)用(yong)化(hua)(hua)工(gong)(gong)(gong)、石(shi)油(you)鉆(zhan)探、鉆(zhan)井工(gong)(gong)(gong)作液(ye)、完井液(ye)、石(shi)油(you)化(hua)(hua)工(gong)(gong)(gong)脫水液(ye)、建(jian)筑(zhu)行業(ye)(ye)早(zao)強(qiang)劑、生產(chan)(chan)涂(tu)料(liao)的凝(ning)(ning)固劑、橡(xiang)膠行業(ye)(ye)乳膠凝(ning)(ning)結劑、造(zao)紙工(gong)(gong)(gong)業(ye)(ye)添加劑及(ji)廢紙張(zhang)脫墨、化(hua)(hua)學(xue)工(gong)(gong)(gong)業(ye)(ye)的無機化(hua)(hua)工(gong)(gong)(gong)原料(liao)及(ji)硫酸(suan)根脫除劑，褐藻酸(suan)鈉的凝(ning)(ning)固劑、防治小(xiao)麥、蘋果(guo)、白菜(cai)等(deng)腐爛及(ji)食品防腐劑、制(zhi)取金屬鈉及(ji)其他鈉化(hua)(hua)合物、鋼鐵(tie)熱處(chu)理(li)介質等(deng)。在水處(chu)理(li)、公路除雪、制(zhi)冷(leng)冷(leng)藏等(deng)方面，鹽(yan)(yan)也有廣泛(fan)的用(yong)途(tu)