【供应】 大量供应氮气、纯氮、高纯氮，工业氧， 工业氩、纯氩、高纯氩气
体
性
质序号物质名称分子式相对分子质量TF
(凝固点 K)TB (沸点 K)TC
(临界温度 K)露点OCPC (临界压力 bar)VC(临界体积 cm3/mol)RHOC (临界密度g/cm3)ZC(临界压缩因子)熔点
0C闪点0C燃点0C爆炸极限毒理上限下限1氧气O231.99954.3690.17154.58-4350.4373.40.4360.288-218.8 / / / /无毒2氩气Ar39.94883.887.28150.86 /48.9874.590.53560.291 / / / / /无毒3乙炔C2H226.038192.4189.15308.32 /61.391130.23050.271-80.8-78.783052.372.3低毒4氮气N228.01363.1577.35126.1-4333.9490.10.31090.292-209.8 / / / /无毒5氦气He4.0031.764.225.2-432.2857.30.06990.302-272.2 / / / /无毒6氢气H286.17713.9520.3933.18 /13.1364.150.03140.305-259.2 /550474.2 /7二氧化碳CO244.01216.58194.7304.19 /73.82940.46820.274-56.6 / / / /无毒8甲烷CH416.04390.67111.66190.58 /46.0499.30.16160.288-182.5-188538155.3微毒9丙烷C3H844.09685.46231.11369.82 /42.49202.90.21740.28-187.6-1044502.49.5无毒10乙烷C2H830.0790.35184.55305.42 /48.8147.90.20330.284 / / / / /无毒11空气混合物28.9659.1578.67132.45-4037.7491.470.31660.313 / / / / /无毒12氨气NH317.013195.41239.72405.65 /112.7872.470.2350.242-77.7 / /1527低毒
