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CAS Number: 57817-89-7
SMILES : O1C(CO)C(O)C(O)C(O)C1OC(=O)C2(C)CCCC3(C)C4CCC(OC6OC(CO)C(O)C(O)C6OC7O
C(CO)C(O)C(O)C7O)(C5=C)CC4(C5)CCC23
CHEM : Stevioside
MOL FOR: C38 H60 O18
MOL WT : 804.89
------------------------------ EPI SUMMARY (v4.11) --------------------------
Henry LC (atm-m3/mole) : ------
Log Kow (octanol-water): ------
Boiling Point (deg C) : ------
Water Solubility (mg/L): ------
Physical Property Inputs:
Vapor Pressure (mm Hg) : ------
Melting Point (deg C) : ------
Log Octanol-Water Partition Coef (SRC):
Log Kow (KOWWIN v1.68 estimate) = -1.62
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 1038.94 (Adapted Stein & Brown method)
Melting Pt (deg C): 349.84 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 2.82E-032 (Modified Grain method)
VP (Pa, 25 deg C) : 3.75E-030 (Modified Grain method)
MP (exp database): 198 deg C
Subcooled liquid VP: 1.87E-030 mm Hg (25 deg C, Mod-Grain method)
: 2.49E-028 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 166.9
log Kow used: -1.62 (estimated)
no-melting pt equation used
Water Sol (Exper. database match) = 1250 mg/L ( deg C)
Exper. Ref: MERCK INDEX (1996)
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 1e+006 mg/L
ECOSAR Class Program (ECOSAR v1.11):
Class(es) found:
Esters
Vinyl/Allyl Ethers
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 5.32E-032 atm-m3/mole (5.39E-027 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: 6.346E-033 atm-m3/mole (6.430E-028 Pa-m3/mole)
VP: 1E-030 mm Hg (source: MPBPVP)
WS: 167 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: -1.62 (KowWin est)
Log Kaw used: -29.663 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 28.043
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : -0.1880
Biowin2 (Non-Linear Model) : 0.0000
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.4285 (weeks-months)
Biowin4 (Primary Survey Model) : 3.6769 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 1.2622
Biowin6 (MITI Non-Linear Model): 0.0078
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -0.7925
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): 2.49E-028 Pa (1.87E-030 mm Hg)
Log Koa (Koawin est ): 28.043
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.2E+022
Octanol/air (Koa) model: 2.71E+015
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 1
Mackay model : 1
Octanol/air (Koa) model: 1
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 282.9168 E-12 cm3/molecule-sec
Half-Life = 0.038 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 27.220 Min
Ozone Reaction:
OVERALL Ozone Rate Constant = 1.137500 E-17 cm3/molecule-sec
Half-Life = 1.007 Days (at 7E11 mol/cm3)
Half-Life = 24.179 Hrs
Fraction sorbed to airborne particulates (phi):
1 (Junge-Pankow, Mackay avg)
1 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 1.172E+006 L/kg (MCI method)
Log Koc: 6.069 (MCI method)
Koc : 0.0487 L/kg (Kow method)
Log Koc: -1.312 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 1.022E-001 L/mol-sec
Kb Half-Life at pH 8: 78.484 days
Kb Half-Life at pH 7: 2.149 years
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.01):
Log BCF from regression-based method = 0.500 (BCF = 3.162 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -4.0719 days (HL = 8.474e-005 days)
Log BCF Arnot-Gobas method (upper trophic) = -0.049 (BCF = 0.8935)
Log BAF Arnot-Gobas method (upper trophic) = -0.049 (BAF = 0.8935)
log Kow used: -1.62 (estimated)
Volatilization from Water:
Henry LC: 5.32E-032 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 3.122E+028 hours (1.301E+027 days)
Half-Life from Model Lake : 3.406E+029 hours (1.419E+028 days)
Removal In Wastewater Treatment:
Total removal: 1.85 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 1.75 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 0.00293 0.875 1000
Water 2.25 900 1000
Soil 40.5 1.8e+003 1000
Sediment 57.2 8.1e+003 0
Persistence Time: 3.57e+003 hr