2-Bromopropane C3H7Br 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) = 2.08
 Log Kow (Exper. database match) = 2.14
 Exper. Ref: Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 62.43 (Adapted Stein & Brown method)
 Melting Pt (deg C): -91.00 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 214 (Mean VP of Antoine & Grain methods)
 MP (exp database): -89 deg C
 BP (exp database): 59.5 deg C
 VP (exp database): 2.16E+02 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 1455
 log Kow used: 2.14 (expkow database)
 no-melting pt equation used
 Water Sol (Exper. database match) = 3180 mg/L (20 deg C)
 Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 3973.8 mg/L
 Wat Sol (Exper. database match) = 3180.00
 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 : 1.50E-002 atm-m3/mole
 Group Method: 1.12E-002 atm-m3/mole
 Exper Database: 1.10E-02 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 2.380E-002 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 2.14 (exp database)
 Log Kaw used: -0.347 (exp database)
 Log Koa (KOAWIN v1.10 estimate): 2.487
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.6428
 Biowin2 (Non-Linear Model) : 0.0399
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.9563 (weeks )
 Biowin4 (Primary Survey Model) : 3.7057 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.3931
 Biowin6 (MITI Non-Linear Model): 0.1622
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.8702
 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): 2.88E+004 Pa (216 mm Hg)
 Log Koa (Koawin est ): 2.487
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 1.04E-010 
 Octanol/air (Koa) model: 7.53E-011 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 3.76E-009 
 Mackay model : 8.33E-009 
 Octanol/air (Koa) model: 6.03E-009 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 0.6683 E-12 cm3/molecule-sec
 Half-Life = 16.004 Days (12-hr day; 1.5E6 OH/cm3)
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 6.05E-009 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 35.04
 Log Koc: 1.545 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
 Total Kb for pH > 8 at 25 deg C : 1.418E-007 L/mol-sec
 Kb Half-Life at pH 8: 1.549E+005 years 
 Kb Half-Life at pH 7: 1.549E+006 years 

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
 Log BCF from regression-based method = 0.948 (BCF = 8.867)
 log Kow used: 2.14 (expkow database)

 Volatilization from Water:
 Henry LC: 0.011 atm-m3/mole (Henry experimental database)
 Half-Life from Model River: 1.191 hours
 Half-Life from Model Lake : 106 hours (4.416 days)

 Removal In Wastewater Treatment:
 Total removal: 81.24 percent
 Total biodegradation: 0.03 percent
 Total sludge adsorption: 0.90 percent
 Total to Air: 80.31 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 46.4 292 1000 
 Water 44.6 360 1000 
 Soil 8.9 720 1000 
 Sediment 0.185 3.24e+003 0 
 Persistence Time: 140 hr