Bromo(chloro)fluoromethane CHBrClF 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) = 1.30

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 68.26 (Adapted Stein & Brown method)
 Melting Pt (deg C): -85.31 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 503 (Mean VP of Antoine & Grain methods)
 MP (exp database): -115 deg C
 BP (exp database): 36 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 6078
 log Kow used: 1.30 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 7500.5 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 5.95E-003 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 1.605E-002 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 1.30 (KowWin est)
 Log Kaw used: -0.614 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 1.914
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.5198
 Biowin2 (Non-Linear Model) : 0.0046
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.7293 (weeks-months)
 Biowin4 (Primary Survey Model) : 3.5699 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.3382
 Biowin6 (MITI Non-Linear Model): 0.0009
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 1.0147
 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): 6.69E+004 Pa (502 mm Hg)
 Log Koa (Koawin est ): 1.914
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 4.48E-011 
 Octanol/air (Koa) model: 2.01E-011 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 1.62E-009 
 Mackay model : 3.59E-009 
 Octanol/air (Koa) model: 1.61E-009 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 0.0194 E-12 cm3/molecule-sec
 Half-Life = 551.251 Days (12-hr day; 1.5E6 OH/cm3)
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 2.6E-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 : 3.308E-001 L/mol-sec
 Kb Half-Life at pH 8: 24.248 days 
 Kb Half-Life at pH 7: 242.483 days 

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
 Log BCF from regression-based method = 0.299 (BCF = 1.99)
 log Kow used: 1.30 (estimated)

 Volatilization from Water:
 Henry LC: 0.00595 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 1.358 hours
 Half-Life from Model Lake : 116.6 hours (4.859 days)

 Removal In Wastewater Treatment:
 Total removal: 70.29 percent
 Total biodegradation: 0.04 percent
 Total sludge adsorption: 0.76 percent
 Total to Air: 69.50 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 48.9 1.32e+004 1000 
 Water 46.7 900 1000 
 Soil 4.25 1.8e+003 1000 
 Sediment 0.108 8.1e+003 0 
 Persistence Time: 174 hr