R440A

  性质 Properties Symbol Unit Value References
Basic Physical and Chemical Properties CAS注册号 CAS Registry Number CASRN /
中文名称 Chemical Name / /
英文名称 English Name / /
组成 Composition / / R290/134a/152a(0.6/1.6/97.8) James M calm Physical,safty,and environmental data for current and alternative refrigerants
分子式 Molecular Formula / /
结构式 Structure Formula / /
相对分子量 Molecular Weight MW / 66.23 James M calm Physical,safty,and environmental data for current and alternative refrigerants
物理状态 Physical State / /
气味 Odor / /
颜色 Color / /
熔点 Melting Point mp
沸点 Boiling Point bp -25.4 James M calm Physical,safty,and environmental data for current and alternative refrigerants
饱和蒸汽压 Saturated Vapor Pressure(25℃) Psat MPa 0.60125 REFPROP 9.0
液体密度 Liquid Density(25℃) dl g/cm3 0.89762 REFPROP 9.0
气体密度 Vapor Density(25℃, 101.325kPa) dg kg/m3 18.680 REFPROP 9.0
挥发性 Volatility / wt%
蒸发速度 Evaporation Rate(CCl4=1) / /
Critical Properties 临界温度 Critical Temperature Tc 112.9 James M calm Physical,safty,and environmental data for current and alternative refrigerants
临界压力 Critical Pressure Pc MPa 4.54 James M calm Physical,safty,and environmental data for current and alternative refrigerants
临界体积 Critical Volume Vc cm3/mol
临界密度 Critical Density ρc kg/m3
临界压缩因子 Critical Compressibility Factor Zc /
液体压缩因子 Liquid Compressibility Factor Z / 0.018266 REFPROP 9.0
气体压缩因子 Vapor Compressibility Factor Z / 0.85988 REFPROP 9.0
偏心因子 Acentric Factor ω /
Thermophysical Properties 液体焓 Liquid Enthalpy H kJ/kg 243.75 REFPROP 9.0
气体焓 Vapor Enthalpy H kJ/kg 521.21 REFPROP 9.0
液体熵 Liquid Entropy S kJ/kg·K 1.1519 REFPROP 9.0
气体熵 Vapor Entropy S kJ/kg·K 2.0832 REFPROP 9.0
生成焓 Enthalpy of Formation(25℃) ΔfHO kJ/mol
蒸发焓 Enthalpy of Vaporization ΔvH kJ/kg
液体等压热容 Liquid Isobaric Heat Capacity(25℃) Cp kJ/kg·K 1.8011 REFPROP 9.0
气体等压热容 Vapor Isobaric Heat Capacity(25℃) Cp kJ/kg·K 1.2553 REFPROP 9.0
液体等容热容 Liquid Isochoric heat capacity(25℃) Cv kJ/kg·K 1.1384 REFPROP 9.0
气体等容热容 Vapor Isochoric heat capacity(25℃) Cv kJ/kg·K 0.99217 REFPROP 9.0
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
贝壳松脂丁醇值 Kauri-Butanol Value KB /
辛醇/水分配系数 Octanol/Water Partition Coefficient LogP /
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 -0.081524 REFPROP 9.0
气体焦耳-汤姆逊系数 Vapor Joule-Thomson Coefficient JT ℃/MPa 29.884 REFPROP 9.0
液体粘度 Liquid Viscosity(25℃) η mPa·s 0.16173 REFPROP 9.0
气体粘度 Vapor Viscosity(25℃) η mPa·s 0.010118 REFPROP 9.0
液体导热系数 Liquid Thermal Conductivity(25℃) λ mW/m·K 97.549 REFPROP 9.0
气体导热系数 Vapor Thermal Conductivity(25℃) λ mW/m·K 14.822 REFPROP 9.0
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 9.7242 REFPROP 9.0
液体声速 Liquid Sound Velocity u m/s 643.96 REFPROP 9.0
气体声速 Vapor Sound Velocity u m/s 185.24 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 / 150 James M calm Physical,safty,and environmental data for current and alternative refrigerants
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 /
自燃点 Autoignition Point /
燃烧下限 Lower Flammability Limit LFL %vol 4.8 James M calm Physical,safty,and environmental data for current and alternative refrigerants
燃烧上限 Upper Flammability Limit UFL %vol
燃烧热 Heat of Combustion HOC MJ/kg
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 / /
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 >200,000
>359,000
400,000
参考R290
参考R134a
参考R152a
心脏致敏最低作用剂量 Cardiac Sensitization Lowest Observed Effect Level LOEL ppm v/v 100,000
75,200
150,,000
参考R290
参考R134a
参考R152a
心脏致敏最高无作用剂量 Cardiac Sensitization No Observed Effect Level NOEL ppm v/v 50,000
49,800
50,000
参考R290
参考R134a
参考R152a
麻醉效应半数作用浓度 Anesthesia Effective Concentration 50% EC50 ppm v/v 280,000
270,000
ND
参考R290
参考R134a
参考R152a
麻醉效应最低作用剂量 Anesthesia Lowest Observed Effect Level LOEL ppm v/v ND
none
ND
参考R290
参考R134a
参考R152a
麻醉效应最高无作用剂量 Anesthesia No Observed Effect Level NOEL ppm v/v ND
81,000
100,000
参考R290
参考R134a
参考R152a
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 参考R134a
一年长期吸入毒性 Long Term Inhalation Toxicity (12 month) NOEL ppm v/v 50,000 参考R134a
两年长期吸入毒性 Long Term Inhalation Toxicity (24 month) NOEL ppm v/v 10,000 参考R134a
立即威胁生命和健康浓度 NIOSH Immediately Dangerous to Life or Health IDLH ppm v/v none 参考R134a
缺氧限值 ASHRAE Oxygen Deprivation Limit ODL ppm v/v 140,000
140,000
140,000
参考R290
参考R134a
参考R152a
急性毒性暴露限值 ASHRAE Acute Toxicity Exposure Limit ATEL ppm v/v 50,000
50,000
50,000
参考R290
参考R134a
参考R152a
制冷剂浓度限值 ASHRAE Refrigerant Concentration Limit RCL ppm v/v 12000 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
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
可接受暴露限值 Dupont Acceptable Exposure Limit AEL ppm v/v
ASHRAE安全等级 ASHRAE Safety Group / / A2 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
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
皮肤刺激或腐蚀
降解产物 Degradation Products