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CAS Num: 000557-04-0
SMILES : [Mg](OC(=O)CCCCCCCCCCCCCCCCC)OC(=O)CCCCCCCCCCCCCCCCC
CHEM : Octadecanoic acid, magnesium salt
MOL FOR: C36 H70 O4 Mg1
MOL WT : 591.26
------------------------------ 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) = 14.34
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
Boiling Pt (deg C): 661.06 (Adapted Stein & Brown method)
Melting Pt (deg C): 287.83 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 6.52E-015 (Modified Grain method)
VP (Pa, 25 deg C) : 8.69E-013 (Modified Grain method)
MP (exp database): 250 deg C
Subcooled liquid VP: 1.82E-012 mm Hg (25 deg C, Mod-Grain method)
: 2.43E-010 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 1.045e-010
log Kow used: 14.34 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 5.9126e-007 mg/L
ECOSAR Class Program (ECOSAR v1.00):
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: 4.854E-005 atm-m3/mole (4.918E+000 Pa-m3/mole)
VP: 6.52E-015 mm Hg (source: MPBPVP)
WS: 1.05E-010 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) : 0.6829
Biowin2 (Non-Linear Model) : 0.1545
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.4892 (weeks-months)
Biowin4 (Primary Survey Model) : 3.5328 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.5353
Biowin6 (MITI Non-Linear Model): 0.3185
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.8732
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): 2.43E-010 Pa (1.82E-012 mm Hg)
Log Koa (): not available
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.24E+004
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 = 42.9098 E-12 cm3/molecule-sec
Half-Life = 0.249 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 2.991 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 : 8.35E+007 L/kg (MCI method)
Log Koc: 7.922 (MCI method)
Koc : 2.503E+008 L/kg (Kow method)
Log Koc: 8.398 (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 = 0.528 (BCF = 3.377 L/kg wet-wt)
Log Biotransformation Half-life (HL) = 2.6858 days (HL = 485.1 days)
Log BCF Arnot-Gobas method (upper trophic) = -0.048 (BCF = 0.8951)
Log BAF Arnot-Gobas method (upper trophic) = 0.985 (BAF = 9.651)
log Kow used: 14.34 (estimated)
Volatilization from Water:
Henry LC: 4.85E-005 atm-m3/mole (calculated from VP/WS)
Half-Life from Model River: 31.81 hours (1.325 days)
Half-Life from Model Lake : 550.9 hours (22.95 days)
Removal In Wastewater Treatment:
Total removal: 94.04 percent
Total biodegradation: 0.78 percent
Total sludge adsorption: 93.26 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 0.177 5.98 1000
Water 15.9 900 1000
Soil 83.9 1.8e+003 1000
Sediment 0.00724 8.1e+003 0
Persistence Time: 1.21e+003 hr