This page contains the EPI System Summary only.
For complete control of this information -
Download the free EPI SuiteTM v4.0 program : here
also you can go back to the Datasheet
CAS Num: 058244-29-4
SMILES : O(C(OC1C)c(ccc(c2)C)c2)C1
CHEM : 1,3-Dioxolane, 4-methyl-2-(4-methylphenyl)-
MOL FOR: C11 H14 O2
MOL WT : 178.23
------------------------------ EPI SUMMARY (v4.00) --------------------------
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) = 2.29
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
Boiling Pt (deg C): 258.13 (Adapted Stein & Brown method)
Melting Pt (deg C): 38.19 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.0133 (Modified Grain method)
VP (Pa, 25 deg C) : 1.77 (Modified Grain method)
Subcooled liquid VP: 0.0175 mm Hg (25 deg C, Mod-Grain method)
: 2.33 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 619.7
log Kow used: 2.29 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 708.01 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 2.64E-006 atm-m3/mole (2.67E-001 Pa-m3/mole)
Group Method: Incomplete
For Henry LC Comparison Purposes:
User-Entered Henry LC: not entered
Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:
HLC: 5.033E-006 atm-m3/mole (5.100E-001 Pa-m3/mole)
VP: 0.0133 mm Hg (source: MPBPVP)
WS: 620 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 2.29 (KowWin est)
Log Kaw used: -3.967 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 6.257
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.0226
Biowin2 (Non-Linear Model) : 0.0030
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.7131 (weeks-months)
Biowin4 (Primary Survey Model) : 3.5026 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.2820
Biowin6 (MITI Non-Linear Model): 0.1601
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -0.5590
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): 2.33 Pa (0.0175 mm Hg)
Log Koa (Koawin est ): 6.257
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.29E-006
Octanol/air (Koa) model: 4.44E-007
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 4.64E-005
Mackay model : 0.000103
Octanol/air (Koa) model: 3.55E-005
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 24.7737 E-12 cm3/molecule-sec
Half-Life = 0.432 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 5.181 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
7.46E-005 (Junge-Pankow, Mackay avg)
3.55E-005 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 130.9 L/kg (MCI method)
Log Koc: 2.117 (MCI method)
Koc : 102.5 L/kg (Kow method)
Log Koc: 2.011 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Rate constants can NOT be estimated for this structure!
Bioaccumulation Estimates (BCFBAF v3.00):
Log BCF from regression-based method = 1.179 (BCF = 15.11 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.7165 days (HL = 0.1921 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.204 (BCF = 16.01)
Log BAF Arnot-Gobas method (upper trophic) = 1.204 (BAF = 16.01)
log Kow used: 2.29 (estimated)
Volatilization from Water:
Henry LC: 2.64E-006 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 297.4 hours (12.39 days)
Half-Life from Model Lake : 3357 hours (139.9 days)
Removal In Wastewater Treatment:
Total removal: 2.77 percent
Total biodegradation: 0.10 percent
Total sludge adsorption: 2.52 percent
Total to Air: 0.15 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.481 10.4 1000
Water 23.1 900 1000
Soil 76.2 1.8e+003 1000
Sediment 0.191 8.1e+003 0
Persistence Time: 932 hr