Phenethyl isothiocyanate C9H9NS structure – Flashcards

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

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

 
 Log Octanol-Water Partition Coef (SRC):
 Log Kow (KOWWIN v1.67 estimate) = 3.50
 Log Kow (Exper. database match) = 3.47
 Exper. Ref: Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 260.98 (Adapted Stein & Brown method)
 Melting Pt (deg C): 39.14 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.0113 (Modified Grain method)
 BP (exp database): 139-140 @ 11 mm Hg deg C
 Subcooled liquid VP: 0.0151 mm Hg (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 71.96
 log Kow used: 3.47 (expkow database)
 no-melting pt equation used
 Water Sol (Exper. database match) = 110 mg/L (20 deg C)
 Exper. Ref: BEILSTEIN

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 34.626 mg/L
 Wat Sol (Exper. database match) = 110.00
 Exper. Ref: BEILSTEIN

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 3.33E-004 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 3.373E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 3.47 (exp database)
 Log Kaw used: -1.866 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 5.336
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.8526
 Biowin2 (Non-Linear Model) : 0.9555
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.7856 (weeks )
 Biowin4 (Primary Survey Model) : 3.5486 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.2613
 Biowin6 (MITI Non-Linear Model): 0.2173
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.4813
 Ready Biodegradability Prediction: NO

Hydrocarbon Biodegradation (BioHCwin v1.01):
 Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
 Vapor pressure (liquid/subcooled): 2.01 Pa (0.0151 mm Hg)
 Log Koa (Koawin est ): 5.336
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 1.49E-006 
 Octanol/air (Koa) model: 5.32E-008 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 5.38E-005 
 Mackay model : 0.000119 
 Octanol/air (Koa) model: 4.26E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 7.1427 E-12 cm3/molecule-sec
 Half-Life = 1.497 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 17.970 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 8.65E-005 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 257.9
 Log Koc: 2.412 

 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 = 1.972 (BCF = 93.73)
 log Kow used: 3.47 (expkow database)

 Volatilization from Water:
 Henry LC: 0.000333 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 3.55 hours
 Half-Life from Model Lake : 145.9 hours (6.078 days)

 Removal In Wastewater Treatment:
 Total removal: 23.38 percent
 Total biodegradation: 0.16 percent
 Total sludge adsorption: 11.44 percent
 Total to Air: 11.78 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 3.68 35.9 1000 
 Water 18.3 360 1000 
 Soil 77.2 720 1000 
 Sediment 0.764 3.24e+003 0 
 Persistence Time: 424 hr