R143a

  性质 Properties Symbol Unit Value References
Basic Physical and Chemical Properties CAS注册号 CAS Registry Number CASRN / 420-46-2 Scifinder®
中文名称 Chemical Name / / 1,1,1-Trifluoroethane
1,1,1-三氟乙烷
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英文名称 English Name / / HFC-143a,Fron 143a,HCF 143a Scifinder®
组成 Composition / /
分子式 Molecular Formula / / C2H3F3 Scifinder®
结构式 Structure Formula / / CH3CF3 Scifinder®
相对分子量 Molecular Weight MW / 84.04
84.040
84.04
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CRC Handbook of Chemistry and Physics(2010)
James M calm Physical,safty,and environmental data for current and alternative refrigerants
物理状态 Physical State / / Gas Air Liquide R143a MSDS
气味 Odor / / Odorless Air Liquide R143a MSDS
颜色 Color / / Colorless Air Liquide R143a MSDS
熔点 Melting Point mp '-111.33
-111.34
Thermophysical Properties of Chemicals and Hydrocarbons, 2008
Reaxys:Journal of the American Chemical Society,1944,vol.66,P.17,18
沸点 Boiling Point bp '-47.2
-47.6
-47.25
-47.2
-47.34
-46
Air Liquide R143a MSDS
Scifinder®
CRC Handbook of Chemistry and Physics(2010)
James M calm Physical,safty,and environmental data for current and alternative refrigerants
Thermophysical Properties of Chemicals and Hydrocarbons, 2008
Reaxys:Chemoshpere,2001,vol.44#4P.897-906
饱和蒸汽压 Saturated Vapor Pressure(25℃) Psat MPa 1.12657
1.2583
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REFPROP 9.0
液体密度 Liquid Density(25℃) dl g/cm3 1.078±0.06
0.953
0.962
930.65
Scifinder®
Thermophysical Properties of Chemicals and Hydrocarbons, 2008
Reaxys:Industrial and Engineering Chemistry,1955,vol.47,P.1449,1450
REFPROP 9.0
气体密度 Vapor Density(25℃, 101.325kPa) dg kg/m3 57.486
3.44
REFPROP 9.0
Air Liqudie MSDS
挥发性 Volatility / wt%
蒸发速度 Evaporation Rate(CCl4=1) / /
Critical Properties 临界温度 Critical Temperature Tc 72.71
72.7
72.73
73.1
CRC Handbook of Chemistry and Physics(2010)
James M calm Physical,safty,and environmental data for current and alternative refrigerants
Thermophysical Properties of Chemicals and Hydrocarbons, 2008
Reaxys:Journal of Chemical & Engineering Data,1998,vol.43,#1 ,P.55-59
临界压力 Critical Pressure Pc MPa 3.764
3.76
3.764
3.76389
CRC Handbook of Chemistry and Physics(2010)
James M calm Physical,safty,and environmental data for current and alternative refrigerants
Thermophysical Properties of Chemicals and Hydrocarbons, 2008
Reaxys:Journal of Chemical & Engineering Data,1998,vol.43,#1 ,P.55-59
临界体积 Critical Volume Vc cm3/mol 194
195
195
CRC Handbook of Chemistry and Physics(2010)
Thermophysical Properties of Chemicals and Hydrocarbons, 2008
Reaxys:Journal of Chemical & Engineering Data,1999,vol.44,#2 ,P.333-337
临界密度 Critical Density ρc kg/m3 0.4310
0.431
Thermophysical Properties of Chemicals and Hydrocarbons, 2008
Reaxys:Journal of Chemical & Engineering Data,1999,vol.44,#2 ,P.333-337
临界压缩因子 Critical Compressibility Factor Zc / 0.255 Thermophysical Properties of Chemicals and Hydrocarbons, 2008
液体压缩因子 Liquid Compressibility Factor Z / 0.045977 REFPROP 9.0
气体压缩因子 Vapor Compressibility Factor Z / 0.74185 REFPROP 9.0
偏心因子 Acentric Factor ω / 0.261 Thermophysical Properties of Chemicals and Hydrocarbons, 2008
Thermophysical Properties 液体焓 Liquid Enthalpy H kJ/kg 239.02 REFPROP 9.0
气体焓 Vapor Enthalpy H kJ/kg 398.51 REFPROP 9.0
液体熵 Liquid Entropy S kJ/kg·K 1.1343 REFPROP 9.0
气体熵 Vapor Entropy S kJ/kg·K 1.6694 REFPROP 9.0
生成焓 Enthalpy of Formation(25℃) ΔfHO kJ/mol '-744.6
-751
CRC Handbook of Chemistry and Physics(2010)
Reaxys:Physical Chemistry Chemical Physics,2004,vil.6,#12 P3081-3091
蒸发焓 Enthalpy of Vaporization ΔvH kJ/kg 1685
1595.9196
1635.33436
159.35
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CRC Handbook of Chemistry and Physics(2010)
Thermophysical Properties of Chemicals and Hydrocarbons, 2008
REFPROP 9.0
液体等压热容 Liquid Isobaric Heat Capacity(25℃) Cp kJ/kg·K 1.6687 REFPROP 9.0
气体等压热容 Vapor Isobaric Heat Capacity(25℃) Cp kJ/kg·K 1.3695 REFPROP 9.0
液体等容热容 Liquid Isochoric heat capacity(25℃) Cv kJ/kg·K 0.98729 REFPROP 9.0
气体等容热容 Vapor Isochoric heat capacity(25℃) Cv kJ/kg·K 0.97373 REFPROP 9.0
Solubility 偶极矩 Dipole Moment μ D 2.347±0.005
2.320
2.63
CRC Handbook of Chemistry and Physics(2010)
Thermophysical Properties of Chemicals and Hydrocarbons, 2008
Reaxys:Physical Chemistry Physical,2001,vol.3#19 P.4200-4207
解离常数 Dissociation Constant
清洗能力 KB
水中溶解度 Solubility in Water(23℃) / ppm wt/wt 3800 Scifinder®
贝壳松脂丁醇值 Kauri-Butanol Value KB /
辛醇/水分配系数 Octanol/Water Partition Coefficient LogP / 1.207±0.325 Scifinder®
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 0.30075 REFPROP 9.0
气体焦耳-汤姆逊系数 Vapor Joule-Thomson Coefficient JT ℃/MPa 23.039 REFPROP 9.0
液体粘度 Liquid Viscosity(25℃) η mPa·s 0.11598 REFPROP 9.0
气体粘度 Vapor Viscosity(25℃) η mPa·s 0.011184 REFPROP 9.0
液体导热系数 Liquid Thermal Conductivity(25℃) λ mW/m·K 70.413 REFPROP 9.0
气体导热系数 Vapor Thermal Conductivity(25℃) λ mW/m·K 16.576 REFPROP 9.0
液体介电常数 Liquid Dielectric Constant ε F/m 9.78 2009 ASHRAE Handbook-Fundamentals
气体介电常数 Gas Dielectric Constant ε F/m 1.017 2009 ASHRAE Handbook-Fundamentals
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 4.5246 REFPROP 9.0
液体声速 Liquid Sound Velocity u m/s 399.49 REFPROP 9.0
气体声速 Vapor Sound Velocity u m/s 144.51 REFPROP 9.0
最低灭火浓度 Minimum Extinguishment Concentration MEC %
Atmospheric Effects 臭氧消耗潜能值 Ozone Depletion Potential ODP / 0 James M calm Physical,safty,and environmental data for current and alternative refrigerants
全球变暖潜能值 Global Warming Potential(100yr) GWP / 4470
4180
CRC Handbook of Chemistry and Physics(2010)
James M calm Physical,safty,and environmental data for current and alternative refrigerants
大气寿命 Atmospheric Life / yr 52
47.1
CRC Handbook of Chemistry and Physics(2010)
James M calm Physical,safty,and environmental data for current and alternative refrigerants
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 / 2505 Global Warming Potentials and Radiative Efficiencies of Halocarbons and Related Compounds: A Comprehensive Review, Accepted for publication in Rev. Geophys
Flammability 闪点 Flash Point / -90
-90
-101.2±6.4
Air Liquide R143a MSDS
DuPont MSDS
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自燃点 Autoignition Point / 750 Dupont MSDS
燃烧下限 Lower Flammability Limit LFL %vol 13
8.2
7.1
7.7
Air Liquide R143a MSDS
James M calm Physical,safty,and environmental data for current and alternative refrigerants
张锐.新型替代制冷剂爆炸极限理论与实验研究
DuPont MSDS
燃烧上限 Upper Flammability Limit UFL %vol 18.8
16.1
17.4
田贯三,博士学位论文
张锐.新型替代制冷剂爆炸极限理论与实验研究
DuPont MSDS
燃烧热 Heat of Combustion HOC MJ/kg 10.4 James M calm Physical,safty,and environmental data for current and alternative refrigerants
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 21000 ASHRAE 34-2010
最大燃烧压力 Maximum Combustion Pressure 105Pa 10.7 田贯三,博士学位论文
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 / / KJ4110000 化学物质毒性数据库
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 >591000 ASHRAE 34-2010
心脏致敏最低作用剂量 Cardiac Sensitization Lowest Observed Effect Level LOEL ppm v/v 300000 ASHRAE 34-2010
心脏致敏最高无作用剂量 Cardiac Sensitization No Observed Effect Level NOEL ppm v/v 250000 ASHRAE 34-2010
麻醉效应半数作用浓度 Anesthesia Effective Concentration 50% EC50 ppm v/v 500000 ASHRAE 34-2010
麻醉效应最低作用剂量 Anesthesia Lowest Observed Effect Level LOEL ppm v/v none ASHRAE 34-2010
麻醉效应最高无作用剂量 Anesthesia No Observed Effect Level NOEL ppm v/v 24800 ASHRAE 34-2010
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 40000 Guidechem MSDS
一年长期吸入毒性 Long Term Inhalation Toxicity (12 month) NOEL ppm v/v 300 Guidechem MSDS
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 140000 ASHRAE 34-2010
急性毒性暴露限值 ASHRAE Acute Toxicity Exposure Limit ATEL ppm v/v 170000 ASHRAE 34-2010
制冷剂浓度限值 ASHRAE Refrigerant Concentration Limit RCL ppm v/v 21000 ASHRAE 34-2010
职业接触限值 ASHRAE Occupational Exposure Limit OEL ppm v/v 1000 James M calm Physical,safty,and environmental data for current and alternative refrigerants
时间加权平均阈限值 ACGIH Threshold Limit Value-Time-Weighted Average TLV-TWA ppm v/v 1000 Unitor MSDS
允许暴露水平 OSHA Permissible Exposure Level PEL ppm v/v
工作环境暴露水平 AIHA Workplace Environmental Exposure Level WEEL ppm v/v 1000 Guidechem MSDS
可接受暴露限值 Dupont Acceptable Exposure Limit AEL ppm v/v 1000 Guidechem MSDS
ASHRAE安全等级 ASHRAE Safety Group / / A2L James M calm Physical,safty,and environmental data for current and alternative refrigerants
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 300 Dupont MSDS
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 >100 Dupont MSDS
皮肤刺激或腐蚀
降解产物 Degradation Products carbon monoxide and hydrogen fluoride Air Liquide MSDS