基本(ben)化(hua)(hua)學工(gong)(gong)業(ye)主要產(chan)(chan)品(pin)中的(de)鹽(yan)酸、燒堿、純堿、氯化(hua)(hua)銨、氯氣(qi)等主要是用(yong)工(gong)(gong)業(ye)鹽(yan)為(wei)原料生(sheng)產(chan)(chan)的(de)。此外，還(huan)用(yong)于(yu)肥(fei)皂制造、陶(tao)瓷(ci)、玻璃(li)生(sheng)產(chan)(chan)、日用(yong)化(hua)(hua)工(gong)(gong)、石(shi)油鉆(zhan)探、鉆(zhan)井工(gong)(gong)作(zuo)液(ye)、完(wan)井液(ye)、石(shi)油化(hua)(hua)工(gong)(gong)脫水液(ye)、建(jian)筑行業(ye)早(zao)強(qiang)劑(ji)、生(sheng)產(chan)(chan)涂(tu)料的(de)凝(ning)固(gu)(gu)劑(ji)、橡膠(jiao)行業(ye)乳膠(jiao)凝(ning)結(jie)劑(ji)、造紙工(gong)(gong)業(ye)添加劑(ji)及廢(fei)紙張脫墨、化(hua)(hua)學工(gong)(gong)業(ye)的(de)無機化(hua)(hua)工(gong)(gong)原料及硫酸根脫除劑(ji)，褐藻(zao)酸鈉的(de)凝(ning)固(gu)(gu)劑(ji)、防(fang)治小(xiao)麥、蘋果、白菜等腐爛及食品(pin)防(fang)腐劑(ji)、制取(qu)金屬鈉及其(qi)他鈉化(hua)(hua)合(he)物、鋼鐵(tie)熱(re)處理介質等。在水處理、公(gong)路除雪、制冷冷藏(zang)等方面(mian)，鹽(yan)也(ye)有(you)廣(guang)泛的(de)用(yong)途。