级别:工业级、食品级<br>简介:氢氧化钾(化学式:KOH,式量:56.1)白色片状固体。熔点380℃,沸点1324℃,相对密度2.04g/cm3。极易吸收空气中水分而潮解,吸收二氧化碳而成碳酸钾。当溶解于水、醇或用酸处理时产生大量热量。溶于乙醇,微溶于醚。有极强的碱性和腐蚀性,其性质与烧碱相似。<br>【基础信息】<br>中文名<br>氢氧化钾<br>英文名<br>Potassium hydroxide<br>别 称<br>苛性钾、苛性碱、钾灰<br>英文别名<br>Caustic soda Caustic potash Potassa<br>化学式<br>KOH<br>分子量<br>56.10564<br>CAS登录号<br>1310-58-3<br>EINECS登录号<br>215-181-3<br>沸 点<br>1320℃~1324℃<br>密 度<br>2.044g/cm3<br>外 观<br>白色粉末或片状固体<br>闪 点<br>52°F<br>水溶性<br>易溶<br>应 用<br>干燥、电镀、化工原料等<br>性描述<br>强碱性及腐蚀性、中等毒<br>危险性符号<br>U+2620、C<br>PubChem号<br>24898721<br>危险品运输编号<br>UN 1813 8/PG 2<br>MDL号<br>MFCD00003553<br>RTECS号<br>TT2100000<br>【应用领域】<br>1、用作干燥剂、吸收剂,用于制草酸及各种钾盐,还用于电镀、雕刻、石印术等。<br>2、主要用作钾盐生产的原料,如高锰酸钾、碳酸钾等。
序号符號名称重量<br>1H氢1.0082He氦4.00263Li锂6.944Be铍9.01225B硼10.816C碳12.0117N氮14.0078O氧15.9999F氟18.99810Ne氖20.18011Na钠22.99012Mg镁24.30513Al铝26.98214Si硅28.08515P磷30.97416S硫32.0617Cl氯35.4518Ar氩39.94819K钾39.09820Ca钙40.07821Sc钪44.95622Ti钛47.86723V钒50.94224Cr铬51.99625Mn锰54.93826Fe铁55.84527Co钴58.93328Ni镍58.69329Cu铜63.54630Zn锌65.3831Ga镓69.72332Ge锗72.63033As砷74.92234Se硒78.97135Br溴79.90436Kr氪83.79837Rb铷85.46838Sr锶87.6239Y钇88.90640Zr锆91.22441Nb铌92.90642Mo钼95.9543Tc锝(98)44Ru钌101.0745Rh铑102.9146Pd钯106.4247Ag银107.8748Cd镉112.4149In铟114.8250Sn锡118.7151Sb锑121.7652Te碲127.6053I碘126.9054Xe氙131.2955Cs铯132.9156Ba钡137.3357La镧138.9158Ce铈140.1259Pr镨140.9160Nd钕144.2461Pm钷(145)62Sm钐150.3663Eu铕151.9664Gd钆157.2565Tb铽158.9366Dy镝162.5067Ho钬164.9368Er铒167.2669Tm铥168.9370Yb镱173.0571Lu镥174.9772Hf铪178.4973Ta钽180.9574W钨183.8475Re铼186.2176Os锇190.2377Ir铱192.2278Pt铂195.0879Au金196.9780Hg汞200.5981Tl铊204.3882Pb铅207.283Bi铋208.9884Po钋(209)85At砹(210)86Rn氡(222)87Fr钫(223)88Ra镭(226)89Ac锕(227)90Th钍232.0491Pa镤231.0492U铀238.0393Np镎(237)94Pu钚(24