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 Number: 1989-42-0
SMILES : COc1cc(c2c(c1)C(=O)c3ccccc3C2(=O))OC
CHEM :
MOL FOR: C16 H12 O4
MOL WT : 268.27
------------------------------ EPI SUMMARY (v4.11) --------------------------
Physical Property Inputs:
Log Kow (octanol-water): ------
Boiling Point (deg C) : ------
Melting Point (deg C) : ------
Vapor Pressure (mm Hg) : ------
Water Solubility (mg/L): ------
Henry LC (atm-m3/mole) : ------
Log Octanol-Water Partition Coef (SRC):
Log Kow (KOWWIN v1.68 estimate) = 3.51
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 410.89 (Adapted Stein & Brown method)
Melting Pt (deg C): 162.29 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 1.75E-007 (Modified Grain method)
VP (Pa, 25 deg C) : 2.34E-005 (Modified Grain method)
Subcooled liquid VP: 4.51E-006 mm Hg (25 deg C, Mod-Grain method)
: 0.000602 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 1.47
log Kow used: 3.51 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 0.38513 mg/L
ECOSAR Class Program (ECOSAR v1.11):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 1.11E-011 atm-m3/mole (1.13E-006 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: 4.202E-008 atm-m3/mole (4.258E-003 Pa-m3/mole)
VP: 1.75E-007 mm Hg (source: MPBPVP)
WS: 1.47 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 3.51 (KowWin est)
Log Kaw used: -9.343 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 12.853
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.8973
Biowin2 (Non-Linear Model) : 0.9421
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.4451 (weeks-months)
Biowin4 (Primary Survey Model) : 3.5705 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.5901
Biowin6 (MITI Non-Linear Model): 0.4633
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -0.3234
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): 0.000601 Pa (4.51E-006 mm Hg)
Log Koa (Koawin est ): 12.853
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 0.00499
Octanol/air (Koa) model: 1.75
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.153
Mackay model : 0.285
Octanol/air (Koa) model: 0.993
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 93.5339 E-12 cm3/molecule-sec
Half-Life = 0.114 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 1.372 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
0.219 (Junge-Pankow, Mackay avg)
0.993 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 2100 L/kg (MCI method)
Log Koc: 3.322 (MCI method)
Koc : 7555 L/kg (Kow method)
Log Koc: 3.878 (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 v3.01):
Log BCF from regression-based method = 1.395 (BCF = 24.85 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.7135 days (HL = 0.1934 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.818 (BCF = 65.78)
Log BAF Arnot-Gobas method (upper trophic) = 1.818 (BAF = 65.78)
log Kow used: 3.51 (estimated)
Volatilization from Water:
Henry LC: 1.11E-011 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 8.639E+007 hours (3.6E+006 days)
Half-Life from Model Lake : 9.425E+008 hours (3.927E+007 days)
Removal In Wastewater Treatment:
Total removal: 13.26 percent
Total biodegradation: 0.19 percent
Total sludge adsorption: 13.08 percent
Total to Air: 0.00 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 9.98e-005 2.75 1000
Water 11.3 900 1000
Soil 87.3 1.8e+003 1000
Sediment 1.35 8.1e+003 0
Persistence Time: 1.86e+003 hr