四氯乙烯

  性质 Properties Symbol Unit Value References
Basic Physical and Chemical Properties CAS注册号 CAS Registry Number CASRN / 127-18-4 Scifinder®
中文名称 Chemical Name / / Tetrachloroethene Scifinder®
英文名称 English Name / / 全氯乙烯 Scifinder®
组成 Composition / /
分子式 Molecular Formula / / C2Cl4 Scifinder®
结构式 Structure Formula / / Cl2C=CCl2 Scifinder®
相对分子量 Molecular Weight MW / 165.833 Scifinder®
物理状态 Physical State / / 液体 CRC Handbook of Chemistry and Physics(2009)
气味 Odor / /
颜色 Color / /
熔点 Melting Point mp
沸点 Boiling Point bp 121.3 CRC Handbook of Chemistry and Physics(2009)
饱和蒸汽压 Saturated Vapor Pressure(25℃) Psat MPa 0.00242 CRC Handbook of Chemistry and Physics(2009)
液体密度 Liquid Density(25℃) dl g/cm3 1.6230 CRC Handbook of Chemistry and Physics(2009)
气体密度 Vapor Density(25℃, 101.325kPa) dg kg/m3 Scifinder®
挥发性 Volatility / wt%
蒸发速度 Evaporation Rate(CCl4=1) / /
Critical Properties 临界温度 Critical Temperature Tc 347.05 CRC Handbook of Chemistry and Physics [M]. CRC Press 2009.
临界压力 Critical Pressure Pc MPa 4.457 [81] 刘光启,马连湘,刘杰. 化学化工物性数据手册[M]. 北京:化学工业出版社 2002.
临界体积 Critical Volume Vc cm3/mol
临界密度 Critical Density ρc kg/m3 572 [81] 刘光启,马连湘,刘杰. 化学化工物性数据手册[M]. 北京:化学工业出版社 2002.
临界压缩因子 Critical Compressibility Factor Zc /
液体压缩因子 Liquid Compressibility Factor Z /
气体压缩因子 Vapor Compressibility Factor Z /
偏心因子 Acentric Factor ω /
Thermophysical Properties 液体焓 Liquid Enthalpy H kJ/kg
气体焓 Vapor Enthalpy H kJ/kg
液体熵 Liquid Entropy S kJ/kg·K
气体熵 Vapor Entropy S kJ/kg·K
生成焓 Enthalpy of Formation(25℃) ΔfHO kJ/mol
蒸发焓 Enthalpy of Vaporization ΔvH kJ/kg 239.3 CRC Handbook of Chemistry and Physics [M]. CRC Press 2009.
液体等压热容 Liquid Isobaric Heat Capacity(25℃) Cp kJ/kg·K 0.888 [81] 刘光启,马连湘,刘杰. 化学化工物性数据手册[M]. 北京:化学工业出版社 2002.
气体等压热容 Vapor Isobaric Heat Capacity(25℃) Cp kJ/kg·K 0.576 [81] 刘光启,马连湘,刘杰. 化学化工物性数据手册[M]. 北京:化学工业出版社 2002.
液体等容热容 Liquid Isochoric heat capacity(25℃) Cv kJ/kg·K
气体等容热容 Vapor Isochoric heat capacity(25℃) Cv kJ/kg·K
Solubility 偶极矩 Dipole Moment μ D
解离常数 Dissociation Constant
清洗能力 KB
水中溶解度 Solubility in Water(23℃) / ppm wt/wt 400 [82] 穆光照. 实用溶剂手册[M]. 上海:上海科学技术出版社, 1990.
贝壳松脂丁醇值 Kauri-Butanol Value KB /
辛醇/水分配系数 Octanol/Water Partition Coefficient LogP / 2.88 CRC Handbook of Chemistry and Physics [M]. CRC Press, 2009.
Hildabrand溶解度参数 Hildabrand Solubility Parameter δ cal/ml
Other Properties 液体焦耳-汤姆逊系数 Liquid Joule-Thomson Coefficient JT ℃/MPa
气体焦耳-汤姆逊系数 Vapor Joule-Thomson Coefficient JT ℃/MPa
液体粘度 Liquid Viscosity(25℃) η mPa·s 0.844 CRC Handbook of Chemistry and Physics [M]. CRC Press, 2009.
气体粘度 Vapor Viscosity(25℃) η mPa·s 0.009205 [81] 刘光启,马连湘,刘杰. 化学化工物性数据手册[M]. 北京:化学工业出版社, 2002.
液体导热系数 Liquid Thermal Conductivity(25℃) λ mW/m·K 110 CRC Handbook of Chemistry and Physics [M]. CRC Press, 2009.
气体导热系数 Vapor Thermal Conductivity(25℃) λ mW/m·K 6.987 [81] 刘光启,马连湘,刘杰. 化学化工物性数据手册[M]. 北京:化学工业出版社, 2002.
液体介电常数 Liquid Dielectric Constant ε F/m
气体介电常数 Gas Dielectric Constant ε F/m
液体体积电阻系数 Liquid Volume Resistivity(1kHz) ρ Ω·cm
气体体积电阻系数 Gas Volume Resistivity(1kHz) ρ Ω·cm
表面张力 Surface Tension(25℃) γ mN/m 32.37 [81] 刘光启,马连湘,刘杰. 化学化工物性数据手册[M]. 北京:化学工业出版社, 2002.
液体声速 Liquid Sound Velocity u m/s
气体声速 Vapor Sound Velocity u m/s
最低灭火浓度 Minimum Extinguishment Concentration MEC %
Atmospheric Effects 臭氧消耗潜能值 Ozone Depletion Potential ODP /
全球变暖潜能值 Global Warming Potential(100yr) GWP /
大气寿命 Atmospheric Life / yr
光化学臭氧合成潜能 photochemica lozone creation potential POCP /
全球温度潜势 global temperature change potential(100yr) GTP /
Flammability 闪点 Flash Point / 45 [2] David R. Lide. CRC Handbook of Chemistry and Physics [M]. CRC Press, 2009.
自燃点 Autoignition Point /
燃烧下限 Lower Flammability Limit LFL %vol
燃烧上限 Upper Flammability Limit UFL %vol
燃烧热 Heat of Combustion HOC MJ/kg 5 [83] (a) Wikipedia. Material Safety Data Sheet: Dimethoxymethane [OL]. [2015-02-08]. http://en.wikipedia.org/wiki/Dimethoxymethane. (b) Wikipedia. Material Safety Data Sheet: Trichloroethylene [OL]. [2015-02-08]. http://en.wikipedia.org/wiki/Trichloroethylene. [c] Wikipedia. Material Safety Data Sheet: Tetrachloroethylene [OL]. [2015-02-08]. http://en.wikipedia.org/wiki/Tetrachloroethylene.
最小点火能 Minimum Ignition Energy MIE mJ
燃烧速度 Burning Velocity Su cm/s
可燃浓度限值 ASHRAE Flammable Concentration Limit FCL ppm v/v
最大燃烧压力 Maximum Combustion Pressure 105Pa
最大燃烧压力上升速率 Maximum Rate of Pressure Increase During Combustion
Toxicity RTECS号 Registry of Toxic Effects of Chemical Substances® Number / / KX3850000 [76] The National Institute for Occupational Safety and Health (NIOSH): RTECS Number[OL]. [2015-03-03]. http://www.cdc.gov/niosh/
接近致死浓度 Approximate Lethal Concentration ALC ppm v/v
半数致死浓度 Lethal Concentration 50% LC50 ppm v/v 4100(6h) [76] The National Institute for Occupational Safety and Health (NIOSH): RTECS Number[OL]. [2015-03-03]. http://www.cdc.gov/niosh/
心脏致敏最低作用剂量 Cardiac Sensitization Lowest Observed Effect Level LOEL ppm v/v
心脏致敏最高无作用剂量 Cardiac Sensitization No Observed Effect Level NOEL ppm v/v
麻醉效应半数作用浓度 Anesthesia Effective Concentration 50% EC50 ppm v/v
麻醉效应最低作用剂量 Anesthesia Lowest Observed Effect Level LOEL ppm v/v
麻醉效应最高无作用剂量 Anesthesia No Observed Effect Level NOEL ppm v/v
28天亚急性吸入毒性 28 Days Subacute Inhalation Toxicity NOEL ppm v/v
90天亚慢性吸入毒性 90 Days Subchronic Inhalation Toxicity NOEL ppm v/v
一年长期吸入毒性 Long Term Inhalation Toxicity (12 month) NOEL ppm v/v
两年长期吸入毒性 Long Term Inhalation Toxicity (24 month) NOEL ppm v/v
立即威胁生命和健康浓度 NIOSH Immediately Dangerous to Life or Health IDLH ppm v/v
缺氧限值 ASHRAE Oxygen Deprivation Limit ODL ppm v/v
急性毒性暴露限值 ASHRAE Acute Toxicity Exposure Limit ATEL ppm v/v
制冷剂浓度限值 ASHRAE Refrigerant Concentration Limit RCL ppm v/v
职业接触限值 ASHRAE Occupational Exposure Limit OEL ppm v/v
时间加权平均阈限值 ACGIH Threshold Limit Value-Time-Weighted Average TLV-TWA ppm v/v
允许暴露水平 OSHA Permissible Exposure Level PEL ppm v/v 100 [80] Occupational Safety and Health Standards[OL]. [2015-03-03]. http://www.oshc.dole.gov.ph/UserFiles/oshc2010/file/OSH_Standards_Amended_1989_Latest.pdf
工作环境暴露水平 AIHA Workplace Environmental Exposure Level WEEL ppm v/v
可接受暴露限值 Dupont Acceptable Exposure Limit AEL ppm v/v
ASHRAE安全等级 ASHRAE Safety Group / /
嗅觉阈值 Odor Threshold / ppm v/v
大型水蚤半数作用浓度水生态毒性 Aquatic Toxicity of 48h Daphnia Magna Effective Concentration 50% EC50 mg/L
虹鳟鱼半数致死浓度水生态毒性 Aquatic Toxicity of 96h Rainbow Trout Lethal Concentration 50% LC50 mg/L 7.5
皮肤刺激或腐蚀 4.9
降解产物 Degradation Products