R134a

  性质 Properties Symbol Unit Value References
Basic Physical and Chemical Properties CAS注册号 CAS Registry Number CASRN / 811-97-2 Scifinder®
中文名称 Chemical Name / / 1,1,1,2-Tetrafluoroethane
1,1,1,2-四氟乙烷
Scifinder®
英文名称 English Name / / HFC-134a, R-134a, Suva-134a Scifinder®
组成 Composition / / / /
分子式 Molecular Formula / / C2H2F4 Scifinder®
结构式 Structure Formula / / CH2FCF3 Scifinder®
相对分子量 Molecular Weight MW / 102.03 Scifinder®
物理状态 Physical State / / Gas;
Liquified Gas
Dictionary of Organic Compounds;
Dupont MSDS DU000693;
气味 Odor / / Slight Ether Dupont MSDS DU000693
颜色 Color / / Colorless Dupont MSDS DU000693
熔点 Melting Point mp '-103.3;
-101.15;
CRC Handbook of Chemistry and Physics, 94e;
Thermophysical Properties of Chemicals and Hydrocarbons, 2008;
沸点 Boiling Point bp '-26.07;
-26.07;
-26.1;
CRC Handbook of Chemistry and Physics, 94e;
Thermophysical Properties of Chemicals and Hydrocarbons, 2008;
Calm J. M., Proceedings of the 23rd International Congress of Refrigeration , Prague, Czech Republic, 2011: paper 915;
饱和蒸汽压 Saturated Vapor Pressure(25℃) Psat MPa 0.66538;
0.7028;
0.66561;
NIST REFPROP v9.0;
CRC Handbook of Chemistry and Physics, 94e;
2009 ASHARE Handbook-Fundamentals;
液体密度 Liquid Density(25℃) dl g/cm3 1.2067;
1.2067;
1.2067;
1.1990;
NIST REFPROP v9.0;
CRC Handbook of Chemistry and Physics, 94e;
2009 ASHARE Handbook-Fundamentals;
Thermophysical Properties of Chemicals and Hydrocarbons, 2008;
气体密度 Vapor Density(25℃, 101.325kPa) dg kg/m3 32.353;
32.71;
NIST REFPROP v9.0;
CRC Handbook of Chemistry and Physics, 94e;
挥发性 Volatility / wt% 100 Dupont MSDS DU000693
蒸发速度 Evaporation Rate(CCl4=1) / / >1 Dupont MSDS DU000693
Critical Properties 临界温度 Critical Temperature Tc 101.06;
100.96±0.01;
101.03;
101.1;
CRC Handbook of Chemistry and Physics, 94e;
International Journal of Refrigeration, 1994, 17(8), 524;
Thermophysical Properties of Chemicals and Hydrocarbons, 2008;
Calm J. M., Proceedings of the 23rd International Congress of Refrigeration , Prague, Czech Republic, 2011: paper 915;
临界压力 Critical Pressure Pc MPa 4.06±0.01;
4.052±0.006;
4.056;
4.06;
CRC Handbook of Chemistry and Physics, 94e;
International Journal of Refrigeration, 1994, 17(8), 524;
Thermophysical Properties of Chemicals and Hydrocarbons, 2008;
Calm J. M., Proceedings of the 23rd International Congress of Refrigeration , Prague, Czech Republic, 2011: paper 915;
临界体积 Critical Volume Vc cm3/mol 200±2;
198.8;
CRC Handbook of Chemistry and Physics, 94e;
Thermophysical Properties of Chemicals and Hydrocarbons, 2008;
临界密度 Critical Density ρc kg/m3 508±5;
513.2;
International Journal of Refrigeration, 1994, 17(8), 524;
Thermophysical Properties of Chemicals and Hydrocarbons, 2008;
临界压缩因子 Critical Compressibility Factor Zc / 0.259 Thermophysical Properties of Chemicals and Hydrocarbons, 2008
液体压缩因子 Liquid Compressibility Factor Z / 0.022695 NIST REFPROP v9.0
气体压缩因子 Vapor Compressibility Factor Z / 0.84657 NIST REFPROP v9.0
偏心因子 Acentric Factor ω / 0.327 Thermophysical Properties of Chemicals and Hydrocarbons, 2008
Thermophysical Properties 液体焓 Liquid Enthalpy H kJ/kg 234.6;
234.55;
CRC Handbook of Chemistry and Physics, 94e;
2009 ASHARE Handbook-Fundamentals;
气体焓 Vapor Enthalpy H kJ/kg 412.3;
412.33;
CRC Handbook of Chemistry and Physics, 94e;
2009 ASHARE Handbook-Fundamentals;
液体熵 Liquid Entropy S kJ/kg·K 1.12;
1.1199;
CRC Handbook of Chemistry and Physics, 94e;
2009 ASHARE Handbook-Fundamentals;
气体熵 Vapor Entropy S kJ/kg·K 1.717;
1.7163;
CRC Handbook of Chemistry and Physics, 94e;
2009 ASHARE Handbook-Fundamentals;
生成焓 Enthalpy of Formation(25℃) ΔfHO kJ/mol '-896.393;
-895.8;
Zhurnal Organicheskoi Khimii, 1995, 31(12), 1786;
Lange's Handbook of Chemistry, 16e;
蒸发焓 Enthalpy of Vaporization ΔvH kJ/kg 177.79 NIST REFPROP v9.0
液体等压热容 Liquid Isobaric Heat Capacity(25℃) Cp kJ/kg·K 1.4254;
1.425;
CRC Handbook of Chemistry and Physics, 94e;
2009 ASHARE Handbook-Fundamentals;
气体等压热容 Vapor Isobaric Heat Capacity(25℃) Cp kJ/kg·K 1.0334;
1.0315;
CRC Handbook of Chemistry and Physics, 94e;
2009 ASHARE Handbook-Fundamentals;
液体等容热容 Liquid Isochoric heat capacity(25℃) Cv kJ/kg·K 0.9119 CRC Handbook of Chemistry and Physics, 94e
气体等容热容 Vapor Isochoric heat capacity(25℃) Cv kJ/kg·K 0.8369 CRC Handbook of Chemistry and Physics, 94e
Solubility 偶极矩 Dipole Moment μ D 1.80±0.22;
2.1;
2.058;
CRC Handbook of Chemistry and Physics, 94e;
Advanced Drug Delivery Reviews, 2003, 55(7), 807;
Thermophysical Properties of Chemicals and Hydrocarbons, 2008;
解离常数 Dissociation Constant
清洗能力 KB
水中溶解度 Solubility in Water(23℃) / ppm wt/wt 2200;
1500;
2400
Advanced Drug Delivery Reviews, 2003, 55(7), 807;
Dupont MSDS DU000693;
Scifinder®
贝壳松脂丁醇值 Kauri-Butanol Value KB / 9 Advanced Drug Delivery Reviews, 2003, 55(7), 807
辛醇/水分配系数 Octanol/Water Partition Coefficient LogP / 1.1;
1.06;
Advanced Drug Delivery Reviews, 2003, 55(7), 807;
Knovel Sampler;
Hildabrand溶解度参数 Hildabrand Solubility Parameter δ cal/ml 6.6;
6.6;
Advanced Drug Delivery Reviews, 2003, 55(7), 807;
International Journal of Pharmaceutics, 1999, 186(1), 13;
Other Properties 液体焦耳-汤姆逊系数 Liquid Joule-Thomson Coefficient JT ℃/MPa -0.020398 NIST REFPROP v9.0
气体焦耳-汤姆逊系数 Vapor Joule-Thomson Coefficient JT ℃/MPa 25.635 NIST REFPROP v9.0
液体粘度 Liquid Viscosity(25℃) η mPa·s 0.19489;
0.19548;
0.1979;
NIST REFPROP v9.0;
CRC Handbook of Chemistry and Physics, 94e;
2009 ASHARE Handbook-Fundamentals;
气体粘度 Vapor Viscosity(25℃) η mPa·s 0.011693;
0.011697;
0.011805;
NIST REFPROP v9.0;
CRC Handbook of Chemistry and Physics, 94e;
2009 ASHARE Handbook-Fundamentals;
液体导热系数 Liquid Thermal Conductivity(25℃) λ mW/m·K 81.134;
81.140;
81.15;
NIST REFPROP v9.0;
CRC Handbook of Chemistry and Physics, 94e;
2009 ASHARE Handbook-Fundamentals;
气体导热系数 Vapor Thermal Conductivity(25℃) λ mW/m·K 13.825;
13.835;
13.82;
NIST REFPROP v9.0;
CRC Handbook of Chemistry and Physics, 94e;
2009 ASHARE Handbook-Fundamentals;
液体介电常数 Liquid Dielectric Constant ε F/m 9.5 Advanced Drug Delivery Reviews, 2003, 55(7), 807
气体介电常数 Gas Dielectric Constant ε F/m 1.017 2009 ASHARE Handbook-Fundamentals
液体体积电阻系数 Liquid Volume Resistivity(1kHz) ρ Ω·cm 17 700MΩ·m 2009 ASHARE Handbook-Fundamentals
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 8.0805;
8.08;
NIST REFPROP v9.0;
2009 ASHARE Handbook-Fundamentals;
液体声速 Liquid Sound Velocity u m/s 506.47;
506.44;
506.5;
NIST REFPROP v9.0;
CRC Handbook of Chemistry and Physics, 94e;
2009 ASHARE Handbook-Fundamentals;
气体声速 Vapor Sound Velocity u m/s 144.26;
144.15;
144.3;
NIST REFPROP v9.0;
CRC Handbook of Chemistry and Physics, 94e;
2009 ASHARE Handbook-Fundamentals;
最低灭火浓度 Minimum Extinguishment Concentration MEC % 10.5
11
Proceedings of the Combustion Institute, 2011, 33(2), 2497
田贯三,博士学位论文
Atmospheric Effects 臭氧消耗潜能值 Ozone Depletion Potential ODP / 0 Calm J. M., Proceedings of the 23rd International Congress of Refrigeration , Prague, Czech Republic, 2011: paper 915.
全球变暖潜能值 Global Warming Potential(100yr) GWP / 1370;
1430;
Calm J. M., Proceedings of the 23rd International Congress of Refrigeration , Prague, Czech Republic, 2011: paper 915;
CRC Handbook of Chemistry and Physics, 94e;
大气寿命 Atmospheric Life / yr 13.4;
14;
Calm J. M., Proceedings of the 23rd International Congress of Refrigeration , Prague, Czech Republic, 2011: paper 915;
CRC Handbook of Chemistry and Physics, 94e;
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 / 201 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 / none Dupont MSDS DU000693
自燃点 Autoignition Point / >743 Dupont MSDS DU000693
燃烧下限 Lower Flammability Limit LFL %vol none ASHRAE 34-2010
燃烧上限 Upper Flammability Limit UFL %vol none ASHRAE 34-2010
燃烧热 Heat of Combustion HOC MJ/kg 4.2 Calm J. M., Proceedings of the 23rd International Congress of Refrigeration , Prague, Czech Republic, 2011: paper 915;
最小点火能 Minimum Ignition Energy MIE mJ none ASHRAE 34-2010
燃烧速度 Burning Velocity Su cm/s
可燃浓度限值 ASHRAE Flammable Concentration Limit FCL ppm v/v none ASHRAE 34-2010
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 / / KI8842500 http://www.ccohs.ca/
接近致死浓度 Approximate Lethal Concentration ALC ppm v/v >500,000;
566,700;
567,000;
PAFT;
ASHRAE 34-2010;
Dupont MSDS DU000693;
半数致死浓度 Lethal Concentration 50% LC50 ppm v/v >359,000;
>700,000;
ASHRAE 34-2010;
Neurotoxicology, 2001, 22(2), 233;
心脏致敏最低作用剂量 Cardiac Sensitization Lowest Observed Effect Level LOEL ppm v/v 75,200 ASHRAE 34-2010
心脏致敏最高无作用剂量 Cardiac Sensitization No Observed Effect Level NOEL ppm v/v 49,800 ASHRAE 34-2010
麻醉效应半数作用浓度 Anesthesia Effective Concentration 50% EC50 ppm v/v 270,000 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 81,000 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 50,000 Fundamental and Applied Toxicology, 1995, 25(2), 271
一年长期吸入毒性 Long Term Inhalation Toxicity (12 month) NOEL ppm v/v 50,000 PAFT
两年长期吸入毒性 Long Term Inhalation Toxicity (24 month) NOEL ppm v/v 10,000 PAFT
立即威胁生命和健康浓度 NIOSH Immediately Dangerous to Life or Health IDLH ppm v/v none http://www.cdc.gov/niosh/idlh/
缺氧限值 ASHRAE Oxygen Deprivation Limit ODL ppm v/v 140,000 ASHRAE 34-2010
急性毒性暴露限值 ASHRAE Acute Toxicity Exposure Limit ATEL ppm v/v 50,000 ASHRAE 34-2010
制冷剂浓度限值 ASHRAE Refrigerant Concentration Limit RCL ppm v/v 50,000 ASHRAE 34-2010
职业接触限值 ASHRAE Occupational Exposure Limit OEL ppm v/v 1,000 ASHRAE 34-2010
时间加权平均阈限值 ACGIH Threshold Limit Value-Time-Weighted Average TLV-TWA ppm v/v none 2010 TLVs and BEIs
允许暴露水平 OSHA Permissible Exposure Level PEL ppm v/v none https://www.osha.gov/dsg/topics/pel/
工作环境暴露水平 AIHA Workplace Environmental Exposure Level WEEL ppm v/v 1,000 2013 ERPG/WEEL Handbook
可接受暴露限值 Dupont Acceptable Exposure Limit AEL ppm v/v 1,000 Dupont MSDS DU000693
ASHRAE安全等级 ASHRAE Safety Group / / A1 ASHRAE 34-2010
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 980;
980;
Dupont MSDS DU000693;
ECETOC JACC No. 50;
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 450;
450;
Dupont MSDS DU000693;
ECETOC JACC No. 50;
皮肤刺激或腐蚀
降解产物 Degradation Products