正丁烷

  性质 Properties Symbol Unit Value References
Basic Physical and Chemical Properties CAS注册号 CAS Registry Number CASRN / 106-97-8 Scifinder®
中文名称 Chemical Name / / n-butane Scifinder®
英文名称 English Name / / 甲基乙基甲烷 Scifinder®
组成 Composition / /
分子式 Molecular Formula / / C4H10 Scifinder®
结构式 Structure Formula / / CH3CH2CH2CH3 Scifinder®
相对分子量 Molecular Weight MW / 58.12 Scifinder®
物理状态 Physical State / / 气体 CRC Handbook of Chemistry and Physics(2009)
气味 Odor / / 不愉快气味 CRC Handbook of Chemistry and Physics(2009)
颜色 Color / /
熔点 Melting Point mp
沸点 Boiling Point bp -0.5 NIST REFPROP 9.0[CP]
饱和蒸汽压 Saturated Vapor Pressure(25℃) Psat MPa 0.258 CRC Handbook of Chemistry and Physics(2009)
液体密度 Liquid Density(25℃) dl g/cm3 0.573 Thermophysical Properties of Chemicals and Hydrocarbons[M]. Elsevier Inc., 2008.
气体密度 Vapor Density(25℃, 101.325kPa) dg kg/m3 6.5164 NIST REFPROP 9.0[CP]
挥发性 Volatility / wt%
蒸发速度 Evaporation Rate(CCl4=1) / /
Critical Properties 临界温度 Critical Temperature Tc 152.01 CRC Handbook of Chemistry and Physics [M]. CRC Press, 2009.
临界压力 Critical Pressure Pc MPa 3.87 CRC Handbook of Chemistry and Physics [M]. CRC Press, 2009.
临界体积 Critical Volume Vc cm3/mol
临界密度 Critical Density ρc kg/m3 222.79 Thermophysical Properties of Chemicals and Hydrocarbons[M]. Elsevier Inc., 2008.
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 361.65 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 2.4512 CRC Handbook of Chemistry and Physics [M]. CRC Press, 2009.
气体等压热容 Vapor Isobaric Heat Capacity(25℃) Cp kJ/kg·K 1.8111 CRC Handbook of Chemistry and Physics [M]. CRC Press, 2009.
液体等容热容 Liquid Isochoric heat capacity(25℃) Cv kJ/kg·K 1.7293 CRC Handbook of Chemistry and Physics [M]. CRC Press, 2009.
气体等容热容 Vapor Isochoric heat capacity(25℃) Cv kJ/kg·K 1.0018 CRC Handbook of Chemistry and Physics [M]. CRC Press, 2009.
Solubility 偶极矩 Dipole Moment μ D Thermophysical Properties of Chemicals and Hydrocarbons, 2008
CRC Handbook of Chemistry and Physics(2010)
解离常数 Dissociation Constant
清洗能力 KB
水中溶解度 Solubility in Water(23℃) / ppm wt/wt 72.46 CRC Handbook of Chemistry and Physics(2009)
贝壳松脂丁醇值 Kauri-Butanol Value KB /
辛醇/水分配系数 Octanol/Water Partition Coefficient LogP / 2.89 Matheson气体数据手册[M]. 陶鹏万,黄建彬,朱大方译。化学工业出版社,2001.
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 0.15565 NIST REFPROP 9.0[CP]
气体粘度 Vapor Viscosity(25℃) η mPa·s 0.0075 CRC Handbook of Chemistry and Physics [M]. CRC Press, 2009.
液体导热系数 Liquid Thermal Conductivity(25℃) λ mW/m·K 103.93 NIST REFPROP 9.0[CP]
气体导热系数 Vapor Thermal Conductivity(25℃) λ mW/m·K 16.784 NIST REFPROP 9.0[CP]
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 11.87 Thermophysical Properties of Chemicals and Hydrocarbons[M]. Elsevier Inc., 2008.
液体声速 Liquid Sound Velocity u m/s 890.88 NIST REFPROP 9.0[CP]
气体声速 Vapor Sound Velocity u m/s 202.15 NIST REFPROP 9.0[CP]
最低灭火浓度 Minimum Extinguishment Concentration MEC %
Atmospheric Effects 臭氧消耗潜能值 Ozone Depletion Potential ODP / 0 [6] Calm J.M, Hourzhan G.C.. Physical, safety and environmental data for current and alternative refrigerants [C/OL]. [2015-03-02]. http://nccashrae.org/images/meeting/031214/calm_jm_hourahan_gc_2011__physical_safety_and_environmental_data_for_current_and_alternative_refrigerants_icr_2011__prague_cz__iir_iif_paris_fr.pdf
全球变暖潜能值 Global Warming Potential(100yr) GWP / ~20 James M calm Physical,safty,and environmental data for current and alternative refrigerants
大气寿命 Atmospheric Life / yr 0.016 [6] Calm J.M, Hourzhan G.C.. Physical, safety and environmental data for current and alternative refrigerants [C/OL]. [2015-03-02]. http://nccashrae.org/images/meeting/031214/calm_jm_hourahan_gc_2011__physical_safety_and_environmental_data_for_current_and_alternative_refrigerants_icr_2011__prague_cz__iir_iif_paris_fr.pdf
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 / -60 David R. Lide. CRC Handbook of Chemistry and Physics [M]. CRC Press, 2009.
自燃点 Autoignition Point / 286.85 [78] Air Gas Inc.. Material Safety Data Sheet: Trichloroethylene [OL]. [2015-02-28]. https://airgas.com/msds/012495.pdf
燃烧下限 Lower Flammability Limit LFL %vol 1.9 David R. Lide. CRC Handbook of Chemistry and Physics [M]. CRC Press, 2009.
燃烧上限 Upper Flammability Limit UFL %vol 8.5 David R. Lide. CRC Handbook of Chemistry and Physics [M]. CRC Press, 2009.
燃烧热 Heat of Combustion HOC MJ/kg 49.5 David R. Lide. CRC Handbook of Chemistry and Physics [M]. CRC Press, 2009.
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 / / EJ4200000 [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 658g/m3 [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 ND ASHRAE Standard 34:Designation and Safety Classification of Refrigerants[S]. 2007.
心脏致敏最高无作用剂量 Cardiac Sensitization No Observed Effect Level NOEL ppm v/v ND ASHRAE Standard 34:Designation and Safety Classification of Refrigerants[S]. 2007.
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 1000 ASHRAE Standard 34:Designation and Safety Classification of Refrigerants[S]. 2007.
职业接触限值 ASHRAE Occupational Exposure Limit OEL ppm v/v \ [6] Calm J.M, Hourzhan G.C.. Physical, safety and environmental data for current and alternative refrigerants [C/OL]. [2015-03-02].
时间加权平均阈限值 ACGIH Threshold Limit Value-Time-Weighted Average TLV-TWA ppm v/v 1000 [2] David R. Lide. CRC Handbook of Chemistry and Physics [M]. CRC Press, 2009.
允许暴露水平 OSHA Permissible Exposure Level PEL ppm v/v 1000
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 / / A3 [2] David R. Lide. CRC Handbook of Chemistry and Physics [M]. CRC Press, 2009.
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 一氧化碳、二氧化碳,水 [78] Air Gas Inc.. Material Safety Data Sheet: Trichloroethylene [OL]. [2015-02-28]. https://airgas.com/msds/012495.pdf