基(ji)本化(hua)(hua)學(xue)(xue)工(gong)(gong)業(ye)(ye)(ye)主要(yao)產(chan)品中的(de)鹽(yan)酸、燒堿、純堿、氯化(hua)(hua)銨、氯氣(qi)等(deng)主要(yao)是用(yong)工(gong)(gong)業(ye)(ye)(ye)鹽(yan)為(wei)原料(liao)生(sheng)產(chan)的(de)。此(ci)外，還用(yong)于肥皂制(zhi)造(zao)、陶瓷、玻璃(li)生(sheng)產(chan)、日用(yong)化(hua)(hua)工(gong)(gong)、石油鉆(zhan)探、鉆(zhan)井工(gong)(gong)作液(ye)、完(wan)井液(ye)、石油化(hua)(hua)工(gong)(gong)脫(tuo)水(shui)液(ye)、建筑行(xing)業(ye)(ye)(ye)早強劑(ji)、生(sheng)產(chan)涂料(liao)的(de)凝(ning)固劑(ji)、橡膠(jiao)行(xing)業(ye)(ye)(ye)乳膠(jiao)凝(ning)結劑(ji)、造(zao)紙(zhi)工(gong)(gong)業(ye)(ye)(ye)添(tian)加(jia)劑(ji)及(ji)廢紙(zhi)張脫(tuo)墨、化(hua)(hua)學(xue)(xue)工(gong)(gong)業(ye)(ye)(ye)的(de)無機(ji)化(hua)(hua)工(gong)(gong)原料(liao)及(ji)硫酸根脫(tuo)除劑(ji)，褐藻(zao)酸鈉(na)(na)的(de)凝(ning)固劑(ji)、防治小麥、蘋果、白菜等(deng)腐(fu)(fu)爛及(ji)食品防腐(fu)(fu)劑(ji)、制(zhi)取金屬(shu)鈉(na)(na)及(ji)其他鈉(na)(na)化(hua)(hua)合物、鋼(gang)鐵熱處(chu)(chu)理(li)介質等(deng)。在水(shui)處(chu)(chu)理(li)、公(gong)路除雪、制(zhi)冷(leng)冷(leng)藏等(deng)方面(mian)，鹽(yan)也(ye)有(you)廣泛的(de)用(yong)途(tu)。