3-Methyl-1-pentyne C6H10 structure – Flashcards

Flashcard maker : Malcolm Bright

C6H10 structure
Molecular Formula C6H10
Average mass 82.144 Da
Density 0.7±0.1 g/cm3
Boiling Point 60.0±8.0 °C at 760 mmHg
Flash Point -29.1±2.8 °C
Molar Refractivity 27.6±0.3 cm3
Polarizability 11.0±0.5 10-24cm3
Surface Tension 24.0±3.0 dyne/cm
Molar Volume 111.7±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Gas Chromatography
    • Retention Index (Kovats):

      551 (estimated with error: 39) NIST Spectra mainlib_118197
      539 (Program type: Isothermal; Col… (show more) umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 107 m; Column type: Capillary; Start T: 80 C; CAS no: 922598; Active phase: Squalane; Carrier gas: H2; Phase thickness: 0.40 um; Data type: Kovats RI; Authors: Sojak, L.; Farkas, P.; Ostrovsky, I.; Janak, J.; Chretien, J.R., Capillary gas chromatography of C5 – C13 branched alkynes on squalane and liquid crystal stationary phases, J. Chromatogr., 557, 1991, 241-253.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      569 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 922598; Active phase: Methyl Silicone; Data type: Normal alkane RI; Authors: Zenkevich, I.G.; Marinichev, A.N., Comparison of Topological and Dynamics Molecular Characteristics for Precalculation of Chromatographic Retention Parameters of Organic Compounds (in Russian), Zh. Struct. Khim., 42(5), 2001, 893-902, In original 893-902.) 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: 60.0±8.0 °C at 760 mmHg
Vapour Pressure: 209.8±0.0 mmHg at 25°C
Enthalpy of Vaporization: 29.0±0.8 kJ/mol
Flash Point: -29.1±2.8 °C
Index of Refraction: 1.409
Molar Refractivity: 27.6±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 2.41
ACD/LogD (pH 5.5): 2.27
ACD/BCF (pH 5.5): 31.22
ACD/KOC (pH 5.5): 408.58
ACD/LogD (pH 7.4): 2.27
ACD/BCF (pH 7.4): 31.22
ACD/KOC (pH 7.4): 408.58
Polar Surface Area: 0 Å2
Polarizability: 11.0±0.5 10-24cm3
Surface Tension: 24.0±3.0 dyne/cm
Molar Volume: 111.7±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) = 2.44

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 65.19 (Adapted Stein & Brown method)
 Melting Pt (deg C): -79.70 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 172 (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 308.6
 log Kow used: 2.44 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 776.01 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 3.76E-002 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 6.025E-002 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 2.44 (KowWin est)
 Log Kaw used: 0.187 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 2.253
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.7084
 Biowin2 (Non-Linear Model) : 0.8632
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 3.0176 (weeks )
 Biowin4 (Primary Survey Model) : 3.7292 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.4673
 Biowin6 (MITI Non-Linear Model): 0.6278
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.5371
 Ready Biodegradability Prediction: NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
 LOG BioHC Half-Life (days) : 0.6534
 BioHC Half-Life (days) : 4.5018

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
 Vapor pressure (liquid/subcooled): 2.25E+004 Pa (169 mm Hg)
 Log Koa (Koawin est ): 2.253
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 1.33E-010 
 Octanol/air (Koa) model: 4.4E-011 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 4.81E-009 
 Mackay model : 1.07E-008 
 Octanol/air (Koa) model: 3.52E-009 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 10.8696 E-12 cm3/molecule-sec
 Half-Life = 0.984 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 11.808 Hrs
 Ozone Reaction:
 OVERALL Ozone Rate Constant = 0.003000 E-17 cm3/molecule-sec
 Half-Life = 382.000 Days (at 7E11 mol/cm3)
 Fraction sorbed to airborne particulates (phi): 7.73E-009 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 130.8
 Log Koc: 2.117 

 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 = 1.181 (BCF = 15.17)
 log Kow used: 2.44 (estimated)

 Volatilization from Water:
 Henry LC: 0.0376 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 0.939 hours (56.34 min)
 Half-Life from Model Lake : 86.24 hours (3.593 days)

 Removal In Wastewater Treatment:
 Total removal: 93.61 percent
 Total biodegradation: 0.02 percent
 Total sludge adsorption: 1.02 percent
 Total to Air: 92.57 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 23 23.6 1000 
 Water 68.7 360 1000 
 Soil 7.87 720 1000 
 Sediment 0.436 3.24e+003 0 
 Persistence Time: 89.8 hr




 

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