Heptane C7H16 structure – Flashcards

Flashcard maker : Michael Seabolt

Molecular Formula C7H16
Average mass 100.202 Da
Density 0.7±0.1 g/cm3
Boiling Point 98.8±3.0 °C at 760 mmHg
Flash Point -1.1±0.0 °C
Molar Refractivity 34.5±0.3 cm3
Polarizability 13.7±0.5 10-24cm3
Surface Tension 21.6±3.0 dyne/cm
Molar Volume 144.1±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Predicted – Mcule
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      -91 °C Alfa Aesar
      -91 °C Indofine
      [05-0700]
      ,
      [05-0700]
      -91 °C Oxford University Chemical Safety Data (No longer updated) More details
      -90.6 °C Jean-Claude Bradley Open Melting Point Dataset 20117
      -90.59 °C Jean-Claude Bradley Open Melting Point Dataset 28161
      -91 °C Jean-Claude Bradley Open Melting Point Dataset 13335, 15831, 8061
      -91 °C Alfa Aesar H33987, 44457, A19894, 47191, 40978, 32441, 22911
      -91 °C LabNetwork LN00162758
      -91 °C Indofine
      [05-0700]
      ,
      [05-0700]
      ,
      [05-0700]
      -90.6 °C FooDB FDB005379
    • Experimental Boiling Point:

      97-99 °C Alfa Aesar
      209 F (98.3333 °C)
      NIOSH MI7700000
      98 °C Oxford University Chemical Safety Data (No longer updated) More details
      97-99 °C Alfa Aesar H33987, 44457, A19894, 47191, 40978, 32441, 22911
      98 °C Oakwood 044743
      98 °C LabNetwork LN00162758
    • Experimental Ionization Potent:

      9.9 Ev NIOSH MI7700000
    • Experimental Flash Point:

      -4 °C Alfa Aesar
      25 F (-3.8889 °C)
      NIOSH MI7700000
      -1 °C Oxford University Chemical Safety Data (No longer updated) More details
      -4 °C Alfa Aesar
      -4 °F (-20 °C)
      Alfa Aesar H33987, 44457, A19894, 47191, 40978, 32441, 22911
      -4 °C Oakwood 044743
      -1.1 °C LabNetwork LN00162758
    • Experimental Freezing Point:

      -131 F (-90.5556 °C)
      NIOSH MI7700000
    • Experimental Gravity:

      0.684 g/mL Alfa Aesar H33987, 44457, A19894, 47191, 40978, 32441, 22911
      0.684 g/mL Oakwood 044743
      0.684 g/mL Fluorochem
      0.684 g/l Fluorochem 995188
    • Experimental Refraction Index:

      1.3877 Alfa Aesar A19894, 44457, 40978, 32441, 22911
    • Experimental Solubility:

      0.0003% NIOSH MI7700000
  • Predicted Physico-chemical Properties
    • Predicted Melting Point:

      -91 °C J&K Scientific 525678
  • Miscellaneous
    • Appearance:

      Colorless liquid with a gasoline-like odor. NIOSH MI7700000
      colourless liquid Oxford University Chemical Safety Data (No longer updated) More details
    • Stability:

      Stable. Incompatible with oxidizing agents, chlorine, phosphorus. Highly flammable.Readily forms explosive mixtures with air. Oxford University Chemical Safety Data (No longer updated) More details
    • Toxicity:

      IVN-MUS LD50 222 mg kg-1 Oxford University Chemical Safety Data (No longer updated) More details
    • Safety:

      11-38-50/53-65-67 Alfa Aesar 22911, 32441, 40978, 44457, 47191, A19894, H33987
      2-9-16-29-33-60-61-62 Alfa Aesar 22911, 32441
      3 Alfa Aesar 22911, 32441, 40978, 44457, 47191, A19894, H33987
      9-16-23-33-36/37-57-60-62 Alfa Aesar 22911, 32441, 40978, 44457, 47191
      9-16-29-33-60-61-62 Alfa Aesar 22911, 32441, 40978, 44457, 47191, A19894, H33987
      Danger Alfa Aesar 22911, 32441, 40978, 44457, 47191, A19894, H33987
      DANGER: FLAMMABLE, causes CNS effects, irritates skin & eyes Alfa Aesar 22911, 32441, 40978, 44457, A19894
      H225-H304-H400-H410-H315-H336 Alfa Aesar 22911, 32441, 40978, 44457, 47191, A19894, H33987
      P210-P261-P301+P310-P303+P361+P353-P405-P501a Alfa Aesar 22911, 32441, 40978, 44457, 47191, A19894, H33987
      Safety glasses and good ventilation. Oxford University Chemical Safety Data (No longer updated) More details
      WARNING: Irritates skin & eyes, may injure liver, kidney Alfa Aesar 44457
    • First-Aid:

      Eye: Irrigate immediately Skin: Soap wash promptly Breathing: Respiratory support Swallow: Medical attention immediately NIOSH MI7700000
    • Exposure Routes:

      inhalation, ingestion, skin and/or eye contact NIOSH MI7700000
    • Symptoms:

      Dizziness, stupor, incoordination; loss of appetite, nausea; dermatitis; chemical pneumonitis (aspiration liquid); unconsciousness NIOSH MI7700000
    • Target Organs:

      Skin, respiratory system, central nervous system NIOSH MI7700000
    • Incompatibility:

      Strong oxidizers NIOSH MI7700000
    • Personal Protection:

      Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet (flammable) Change: No recommendation NIOSH MI7700000
    • Exposure Limits:

      NIOSH REL : TWA 85 ppm (350 mg/m 3 ) C 440 ppm (1800 mg/m 3 ) [15-minute] OSHA PEL ?: TWA 500 ppm (2000 mg/m 3 ) NIOSH MI7700000
  • Gas Chromatography
    • Retention Index (Kovats):

      717 (estimated with error: 39) NIST Spectra mainlib_61276, replib_1048, replib_229212, replib_285288
    • Retention Index (Normal Alkane):

      700 (Column class: All column type… (show more) s; CAS no: 142825; Data type: Normal alkane RI value specified by scale definition; Authors: von Kovats, E., 206. Gas-chromatographische Charakterisierung organischer Verbindungen. Teil 1: Retentionsindices aliphatischer Halogenide, Alkohole, Aldehyde und Ketone, Helv. Chim. Acta, 41(7), 1958, 1915-1932.) NIST Spectra nist ri

Predicted data is generated using the ACD/Labs Percepta Platform – PhysChem Module

Density: 0.7±0.1 g/cm3
Boiling Point: 98.8±3.0 °C at 760 mmHg
Vapour Pressure: 45.2±0.1 mmHg at 25°C
Enthalpy of Vaporization: 31.8±0.0 kJ/mol
Flash Point: -1.1±0.0 °C
Index of Refraction: 1.394
Molar Refractivity: 34.5±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 4
#Rule of 5 Violations: 0
ACD/LogP: 4.47
ACD/LogD (pH 5.5): 4.48
ACD/BCF (pH 5.5): 1501.91
ACD/KOC (pH 5.5): 6537.92
ACD/LogD (pH 7.4): 4.48
ACD/BCF (pH 7.4): 1501.91
ACD/KOC (pH 7.4): 6537.92
Polar Surface Area: 0 Å2
Polarizability: 13.7±0.5 10-24cm3
Surface Tension: 21.6±3.0 dyne/cm
Molar Volume: 144.1±3.0 cm3

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™

 
 Log Octanol-Water Partition Coef (SRC):
 Log Kow (KOWWIN v1.67 estimate) = 3.78
 Log Kow (Exper. database match) = 4.66
 Exper. Ref: Miller,MM et al. (1985)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 96.16 (Adapted Stein & Brown method)
 Melting Pt (deg C): -81.01 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 45.9 (Mean VP of Antoine & Grain methods)
 MP (exp database): -90.6 deg C
 BP (exp database): 98.5 deg C
 VP (exp database): 4.60E+01 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 3.554
 log Kow used: 4.66 (expkow database)
 no-melting pt equation used
 Water Sol (Exper. database match) = 3.4 mg/L (25 deg C)
 Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 2.6374 mg/L
 Wat Sol (Exper. database match) = 3.40
 Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)

 ECOSAR Class Program (ECOSAR v0.99h):
 Class(es) found:
 Neutral Organics

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 2.27E+000 atm-m3/mole
 Group Method: 2.39E+000 atm-m3/mole
 Exper Database: 2.00E+00 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 1.703E+000 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 4.66 (exp database)
 Log Kaw used: 1.913 (exp database)
 Log Koa (KOAWIN v1.10 estimate): 2.747
 Log Koa (experimental database): 2.950

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.8083
 Biowin2 (Non-Linear Model) : 0.9686
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 3.2761 (days-weeks )
 Biowin4 (Primary Survey Model) : 3.9722 (days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.6619
 Biowin6 (MITI Non-Linear Model): 0.8605
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.4892
 Ready Biodegradability Prediction: YES

 Hydrocarbon Biodegradation (BioHCwin v1.01):
 LOG BioHC Half-Life (days) : 0.7385
 BioHC Half-Life (days) : 5.4758

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
 Vapor pressure (liquid/subcooled): 6.13E+003 Pa (46 mm Hg)
 Log Koa (Exp database): 2.950
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 4.89E-010 
 Octanol/air (Koa) model: 2.19E-010 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 1.77E-008 
 Mackay model : 3.91E-008 
 Octanol/air (Koa) model: 1.75E-008 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 6.8713 E-12 cm3/molecule-sec
 Half-Life = 1.557 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 18.679 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 2.84E-008 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 274.7
 Log Koc: 2.439 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
 Rate constants can NOT be estimated for this structure!

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
 Log BCF from regression-based method = 2.888 (BCF = 773)
 log Kow used: 4.66 (expkow database)

 Volatilization from Water:
 Henry LC: 2 atm-m3/mole (Henry experimental database)
 Half-Life from Model River: 1.022 hours
 Half-Life from Model Lake : 95.09 hours (3.962 days)

 Removal In Wastewater Treatment (recommended maximum 95%):
 Total removal: 99.91 percent
 Total biodegradation: 0.12 percent
 Total sludge adsorption: 38.71 percent
 Total to Air: 61.08 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 23.8 35.9 1000 
 Water 44.8 208 1000 
 Soil 16.1 416 1000 
 Sediment 15.2 1.87e+003 0 
 Persistence Time: 108 hr




 

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