This page contains the EPI System Summary only.
For complete control of this information -
Download the free EPI SuiteTM v4.0 program : here
To Datasheet
CAS Num: 008013-86-3
SMILES : O=Cc(occ1)c1
CHEM : Oils, cypress
MOL FOR: C5 H4 O2
MOL WT : 96.09
------------------------------ 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) = 0.83
Log Kow (Exper. database match) = 0.41
Exper. Ref: HANSCH,C ET AL. (1995)
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
Boiling Pt (deg C): 143.82 (Adapted Stein & Brown method)
Melting Pt (deg C): -29.49 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 2.32 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 309 (Mean VP of Antoine & Grain methods)
MP (exp database): -38.1 deg C
BP (exp database): 161.7 deg C
VP (exp database): 2.21E+00 mm Hg (2.95E+002 Pa) at 25 deg C
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 5.358e+004
log Kow used: 0.41 (expkow database)
no-melting pt equation used
Water Sol (Exper. database match) = 7.41e+004 mg/L (25 deg C)
Exper. Ref: YALKOWSKY,SH & HE,Y (2003)
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 50738 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Aldehydes (Mono)
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 1.34E-005 atm-m3/mole (1.36E+000 Pa-m3/mole)
Group Method: Incomplete
Exper Database: 3.77E-06 atm-m3/mole (3.82E-001 Pa-m3/mole)
For Henry LC Comparison Purposes:
User-Entered Henry LC: not entered
Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:
HLC: 5.475E-006 atm-m3/mole (5.547E-001 Pa-m3/mole)
VP: 2.32 mm Hg (source: MPBPVP)
WS: 5.36E+004 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 0.41 (exp database)
Log Kaw used: -3.812 (exp database)
Log Koa (KOAWIN v1.10 estimate): 4.222
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.9864
Biowin2 (Non-Linear Model) : 0.9999
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.0092 (weeks )
Biowin4 (Primary Survey Model) : 3.9057 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.8623
Biowin6 (MITI Non-Linear Model): 0.9456
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.6724
Ready Biodegradability Prediction: YES
Hydrocarbon Biodegradation (BioHCwin v1.01):
Structure incompatible with current estimation method!
Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
Vapor pressure (liquid/subcooled): 295 Pa (2.21 mm Hg)
Log Koa (Koawin est ): 4.222
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.02E-008
Octanol/air (Koa) model: 4.09E-009
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 3.68E-007
Mackay model : 8.14E-007
Octanol/air (Koa) model: 3.27E-007
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 37.4206 E-12 cm3/molecule-sec
Half-Life = 0.286 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 3.430 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Reaction With Nitrate Radicals May Be Important!
Fraction sorbed to airborne particulates (phi):
5.91E-007 (Junge-Pankow, Mackay avg)
3.27E-007 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 6.083 L/kg (MCI method)
Log Koc: 0.784 (MCI method)
Koc : 8.368 L/kg (Kow method)
Log Koc: 0.923 (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 = 0.500 (BCF = 3.162 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.9689 days (HL = 0.1074 days)
Log BCF Arnot-Gobas method (upper trophic) = 0.047 (BCF = 1.115)
Log BAF Arnot-Gobas method (upper trophic) = 0.047 (BAF = 1.115)
log Kow used: 0.41 (expkow database)
Volatilization from Water:
Henry LC: 3.77E-006 atm-m3/mole (Henry experimental database)
Half-Life from Model River: 153.2 hours (6.385 days)
Half-Life from Model Lake : 1754 hours (73.08 days)
Removal In Wastewater Treatment:
Total removal: 2.07 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 1.76 percent
Total to Air: 0.21 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.975 7.31 1000
Water 42.4 360 1000
Soil 56.5 720 1000
Sediment 0.0886 3.24e+003 0
Persistence Time: 356 hr