工業鹽，是化(hua)學(xue)工業的最基本(ben)(ben)原(yuan)料之(zhi)一(yi)，主(zhu)要(yao)(yao)成(cheng)分有氯化(hua)鈉(na)、亞硝(xiao)酸鈉(na)等，被稱為(wei)“化(hua)學(xue)工業之(zhi)母”。基本(ben)(ben)化(hua)學(xue)工業主(zhu)要(yao)(yao)產品中的鹽酸、燒堿(jian)、純(chun)堿(jian)、氯化(hua)銨(an)、氯氣(qi)等主(zhu)要(yao)(yao)是用工業鹽為(wei)原(yuan)料生產的。

　　基本化(hua)(hua)(hua)學工(gong)(gong)(gong)業主(zhu)要(yao)產品(pin)中的(de)(de)鹽(yan)酸(suan)、燒堿(jian)、純(chun)堿(jian)、氯(lv)化(hua)(hua)(hua)銨(an)、氯(lv)氣(qi)等(deng)(deng)(deng)主(zhu)要(yao)是用工(gong)(gong)(gong)業鹽(yan)為(wei)原(yuan)(yuan)料(liao)生(sheng)產的(de)(de)。此外，還用于(yu)肥皂制造(zao)、陶瓷、玻璃生(sheng)產、日(ri)用化(hua)(hua)(hua)工(gong)(gong)(gong)、石油(you)鉆探(tan)、鉆井(jing)工(gong)(gong)(gong)作液、完井(jing)液、石油(you)化(hua)(hua)(hua)工(gong)(gong)(gong)脫水液、建筑行業早強劑(ji)(ji)、生(sheng)產涂料(liao)的(de)(de)凝(ning)固(gu)劑(ji)(ji)、橡膠行業乳膠凝(ning)結劑(ji)(ji)、造(zao)紙工(gong)(gong)(gong)業添加(jia)劑(ji)(ji)及(ji)(ji)廢紙張脫墨、化(hua)(hua)(hua)學工(gong)(gong)(gong)業的(de)(de)無機化(hua)(hua)(hua)工(gong)(gong)(gong)原(yuan)(yuan)料(liao)及(ji)(ji)硫酸(suan)根脫除(chu)劑(ji)(ji)，褐(he)藻酸(suan)鈉的(de)(de)凝(ning)固(gu)劑(ji)(ji)、防治小(xiao)麥、蘋果(guo)、白(bai)菜等(deng)(deng)(deng)腐爛及(ji)(ji)食品(pin)防腐劑(ji)(ji)、制取(qu)金屬鈉及(ji)(ji)其他鈉化(hua)(hua)(hua)合物、鋼鐵熱(re)處理介(jie)質等(deng)(deng)(deng)。在水處理、公路除(chu)雪、制冷冷藏等(deng)(deng)(deng)方面，鹽(yan)也有廣泛的(de)(de)用途