Pentane
CCCCC
InChI=1S/C5H12/c1-3-5-4-2/h3-5H2,1-2H3
OFBQJSOFQDEBGM-UHFFFAOYSA-N
CSID:7712, http://www.chemspider.com/Chemical-Structure.7712.html (accessed 01:13, Dec 9, 2023)
Validated by Experts, Validated by Users, Non-Validated, Removed by Users
Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00
Predicted data is generated using the US Environmental Protection Agency�s EPISuite
Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = 2.80 Log Kow (Exper. database match) = 3.39 Exper. Ref: Hansch,C et al. (1995) Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 46.01 (Adapted Stein & Brown method) Melting Pt (deg C): -106.92 (Mean or Weighted MP) VP(mm Hg,25 deg C): 513 (Mean VP of Antoine & Grain methods) MP (exp database): -129.7 deg C BP (exp database): 36 deg C VP (exp database): 5.14E+02 mm Hg at 25 deg C Water Solubility Estimate from Log Kow (WSKOW v1.41): Water Solubility at 25 deg C (mg/L): 49.76 log Kow used: 3.39 (expkow database) no-melting pt equation used Water Sol (Exper. database match) = 38 mg/L (25 deg C) Exper. Ref: RIDDICK,JA ET AL. (1986) Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 22.52 mg/L Wat Sol (Exper. database match) = 38.00 Exper. Ref: RIDDICK,JA ET AL. (1986) ECOSAR Class Program (ECOSAR v0.99h): Class(es) found: Neutral Organics Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : 1.29E+000 atm-m3/mole Group Method: 1.20E+000 atm-m3/mole Exper Database: 1.25E+00 atm-m3/mole Henrys LC [VP/WSol estimate using EPI values]: 9.787E-001 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: 3.39 (exp database) Log Kaw used: 1.708 (exp database) Log Koa (KOAWIN v1.10 estimate): 1.682 Log Koa (experimental database): 1.960 Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 0.8216 Biowin2 (Non-Linear Model) : 0.9787 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 3.3381 (days-weeks ) Biowin4 (Primary Survey Model) : 4.0127 (days ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.6466 Biowin6 (MITI Non-Linear Model): 0.8545 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): 0.4372 Ready Biodegradability Prediction: YES Hydrocarbon Biodegradation (BioHCwin v1.01): LOG BioHC Half-Life (days) : 0.6056 BioHC Half-Life (days) : 4.0332 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]: Vapor pressure (liquid/subcooled): 6.85E+004 Pa (514 mm Hg) Log Koa (Exp database): 1.960 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 4.38E-011 Octanol/air (Koa) model: 2.24E-011 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 1.58E-009 Mackay model : 3.5E-009 Octanol/air (Koa) model: 1.79E-009 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 4.0452 E-12 cm3/molecule-sec Half-Life = 2.644 Days (12-hr day; 1.5E6 OH/cm3) Half-Life = 31.729 Hrs Ozone Reaction: No Ozone Reaction Estimation Fraction sorbed to airborne particulates (phi): 2.54E-009 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 80.77 Log Koc: 1.907 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 = 1.910 (BCF = 81.34) log Kow used: 3.39 (expkow database) Volatilization from Water: Henry LC: 1.25 atm-m3/mole (Henry experimental database) Half-Life from Model River: 0.8672 hours (52.03 min) Half-Life from Model Lake : 80.68 hours (3.362 days) Removal In Wastewater Treatment (recommended maximum 95%): Total removal: 99.80 percent Total biodegradation: 0.03 percent Total sludge adsorption: 5.53 percent Total to Air: 94.24 percent (using 10000 hr Bio P,A,S) Level III Fugacity Model: Mass Amount Half-Life Emissions (percent) (hr) (kg/hr) Air 42.1 65.2 1000 Water 54 208 1000 Soil 2.49 416 1000 Sediment 1.33 1.87e+003 0 Persistence Time: 90.2 hr
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