基本化(hua)(hua)學(xue)工(gong)業(ye)主要(yao)產(chan)(chan)品中(zhong)的鹽酸(suan)、燒(shao)堿、純堿、氯(lv)化(hua)(hua)銨、氯(lv)氣(qi)等(deng)主要(yao)是用(yong)工(gong)業(ye)鹽為原料(liao)生產(chan)(chan)的。此(ci)外,還用(yong)于肥皂(zao)制(zhi)(zhi)(zhi)造、陶瓷、玻璃生產(chan)(chan)、日用(yong)化(hua)(hua)工(gong)、石油鉆探、鉆井工(gong)作(zuo)液、完井液、石油化(hua)(hua)工(gong)脫(tuo)水(shui)液、建筑(zhu)行(xing)業(ye)早強(qiang)劑、生產(chan)(chan)涂料(liao)的凝固劑、橡膠行(xing)業(ye)乳膠凝結劑、造紙(zhi)工(gong)業(ye)添(tian)加劑及(ji)廢(fei)紙(zhi)張脫(tuo)墨、化(hua)(hua)學(xue)工(gong)業(ye)的無(wu)機化(hua)(hua)工(gong)原料(liao)及(ji)硫酸(suan)根脫(tuo)除劑,褐藻酸(suan)鈉的凝固劑、防治小麥、蘋果、白菜等(deng)腐爛及(ji)食品防腐劑、制(zhi)(zhi)(zhi)取(qu)金(jin)屬鈉及(ji)其他鈉化(hua)(hua)合物(wu)、鋼(gang)鐵熱處理(li)(li)介(jie)質等(deng)。在水(shui)處理(li)(li)、公路除雪、制(zhi)(zhi)(zhi)冷冷藏(zang)等(deng)方(fang)面,鹽也有(you)廣泛(fan)的用(yong)途。