SMILES : Cc1c(c(ccc1)OC)OC
CHEM : 1,2-dimethoxy-3-methylbenzene
MOL FOR: C9 H12 O2
MOL WT : 152.19
------------------------------ EPI SUMMARY (v3.20) --------------------------
Physical Property Inputs:
Water Solubility (mg/L): ------
Vapor Pressure (mm Hg) : ------
Henry LC (atm-m3/mole) : ------
Log Kow (octanol-water): ------
Boiling Point (deg C) : ------
Melting Point (deg C) : ------
Log Octanol-Water Partition Coef (SRC):
Log Kow (KOWWIN v1.67 estimate) = 2.19
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
Boiling Pt (deg C): 212.13 (Adapted Stein & Brown method)
Melting Pt (deg C): 12.07 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.295 (Mean VP of Antoine & Grain methods)
BP (exp database): 204 deg C
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 1010
log Kow used: 2.19 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 172.3 mg/L
ECOSAR Class Program (ECOSAR v0.99h):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
Bond Method : 2.08E-005 atm-m3/mole
Group Method: 3.79E-003 atm-m3/mole
Henrys LC [VP/WSol estimate using EPI values]: 5.849E-005 atm-m3/mole
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 2.19 (KowWin est)
Log Kaw used: -3.070 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 5.260
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.9936
Biowin2 (Non-Linear Model) : 0.9973
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.6718 (weeks-months)
Biowin4 (Primary Survey Model) : 3.7139 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.7168
Biowin6 (MITI Non-Linear Model): 0.8152
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.3749
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): 36.1 Pa (0.271 mm Hg)
Log Koa (Koawin est ): 5.260
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 8.3E-008
Octanol/air (Koa) model: 4.47E-008
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 3E-006
Mackay model : 6.64E-006
Octanol/air (Koa) model: 3.57E-006
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 50.3554 E-12 cm3/molecule-sec
Half-Life = 0.212 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 2.549 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi): 4.82E-006 (Junge,Mackay)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (PCKOCWIN v1.66):
Koc : 141.5
Log Koc: 2.151
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 = 0.983 (BCF = 9.609)
log Kow used: 2.19 (estimated)
Volatilization from Water:
Henry LC: 0.00379 atm-m3/mole (estimated by Group SAR Method)
Half-Life from Model River: 3.89 hours
Half-Life from Model Lake : 119.3 hours (4.969 days)
Removal In Wastewater Treatment:
Total removal: 60.60 percent
Total biodegradation: 0.05 percent
Total sludge adsorption: 1.32 percent
Total to Air: 59.24 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 4.57 5.1 1000
Water 65.3 900 1000
Soil 29.8 1.8e+003 1000
Sediment 0.323 8.1e+003 0
Persistence Time: 126 hr