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CAS Number: 4706-78-9
SMILES : S(=O)(=O)(O(K))OCCCCCCCCCCCC
CHEM : Sulfuric acid, monododecyl ester, potassium salt
MOL FOR: C12 H25 O4 S1 K1
MOL WT : 304.49
------------------------------ 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) = 1.69
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 588.52 (Adapted Stein & Brown method)
Melting Pt (deg C): 253.95 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 4.7E-013 (Modified Grain method)
VP (Pa, 25 deg C) : 6.26E-011 (Modified Grain method)
Subcooled liquid VP: 1.47E-010 mm Hg (25 deg C, Mod-Grain method)
: 1.96E-008 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 415
log Kow used: 1.69 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 0.014501 mg/L
ECOSAR Class Program (ECOSAR v1.11):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : Incomplete
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: 4.537E-016 atm-m3/mole (4.598E-011 Pa-m3/mole)
VP: 4.7E-013 mm Hg (source: MPBPVP)
WS: 415 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Can Not Estimate (can not calculate HenryLC)
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.7292
Biowin2 (Non-Linear Model) : 0.7445
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.9088 (weeks )
Biowin4 (Primary Survey Model) : 3.7325 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.4636
Biowin6 (MITI Non-Linear Model): 0.3963
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.7247
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): 1.96E-008 Pa (1.47E-010 mm Hg)
Log Koa (): not available
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 153
Octanol/air (Koa) model: not available
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 1
Mackay model : 1
Octanol/air (Koa) model: not available
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 14.8377 E-12 cm3/molecule-sec
Half-Life = 0.721 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 8.650 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
1 (Junge-Pankow, Mackay avg)
not available (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 3190 L/kg (MCI method)
Log Koc: 3.504 (MCI method)
Koc : 105 L/kg (Kow method)
Log Koc: 2.021 (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 = 1.850 (BCF = 70.79 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -1.0283 days (HL = 0.0937 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.182 (BCF = 15.22)
Log BAF Arnot-Gobas method (upper trophic) = 1.182 (BAF = 15.22)
log Kow used: 2.42 (estimated)
Volatilization from Water:
Henry LC: 4.54E-016 atm-m3/mole (calculated from VP/WS)
Half-Life from Model River: 2.252E+012 hours (9.382E+010 days)
Half-Life from Model Lake : 2.456E+013 hours (1.023E+012 days)
Removal In Wastewater Treatment:
Total removal: 2.04 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 1.95 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 8.13e-005 17.3 1000
Water 15.8 360 1000
Soil 82.6 720 1000
Sediment 1.59 3.24e+003 0
Persistence Time: 793 hr