基本化(hua)(hua)學工(gong)(gong)(gong)業主(zhu)要(yao)產品(pin)(pin)中的鹽(yan)酸(suan)、燒堿、純堿、氯化(hua)(hua)銨、氯氣等主(zhu)要(yao)是用(yong)(yong)工(gong)(gong)(gong)業鹽(yan)為原料生(sheng)產的。此外,還用(yong)(yong)于肥皂(zao)制(zhi)造(zao)、陶(tao)瓷、玻(bo)璃(li)生(sheng)產、日用(yong)(yong)化(hua)(hua)工(gong)(gong)(gong)、石油鉆(zhan)探、鉆(zhan)井工(gong)(gong)(gong)作液、完(wan)井液、石油化(hua)(hua)工(gong)(gong)(gong)脫水(shui)液、建筑行業早強劑(ji)、生(sheng)產涂料的凝固(gu)劑(ji)、橡(xiang)膠行業乳膠凝結劑(ji)、造(zao)紙工(gong)(gong)(gong)業添加劑(ji)及廢紙張脫墨(mo)、化(hua)(hua)學工(gong)(gong)(gong)業的無機化(hua)(hua)工(gong)(gong)(gong)原料及硫酸(suan)根(gen)脫除劑(ji),褐藻酸(suan)鈉的凝固(gu)劑(ji)、防(fang)治小(xiao)麥、蘋果、白菜(cai)等腐爛及食品(pin)(pin)防(fang)腐劑(ji)、制(zhi)取金屬鈉及其他(ta)鈉化(hua)(hua)合(he)物、鋼鐵(tie)熱處(chu)理(li)介質等。在水(shui)處(chu)理(li)、公路除雪、制(zhi)冷(leng)冷(leng)藏等方(fang)面,鹽(yan)也有廣泛的用(yong)(yong)途。