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: 58543-16-1
SMILES : CC12CCCC(C1CCC34C2CC(C(C3)C(=C)C4)OC5C(C(C(C(O5)CO)O)OC6C(C(C(C(O6)CO
)O)O)O)OC7C(C(C(C(O7)CO)O)O)O)(C)C(=O)OC8C(C(C(C(O8)CO)O)O)O
CHEM : rebaudioside A
MOL FOR: C44 H70 O23
MOL WT : 967.03
------------------------------ EPI SUMMARY (v4.00) --------------------------
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 v1.67 estimate) = -3.93
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 1252.69 (Adapted Stein & Brown method)
Melting Pt (deg C): 349.84 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 3.33E-042 (Modified Grain method)
VP (Pa, 25 deg C) : 4.44E-040 (Modified Grain method)
Subcooled liquid VP: 1.7E-038 mm Hg (25 deg C, Mod-Grain method)
: 2.27E-036 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 1253
log Kow used: -3.93 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 1e+006 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Esters
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 4.88E-040 atm-m3/mole (4.95E-035 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: 1.015E-033 atm-m3/mole (1.029E-028 Pa-m3/mole)
VP: 1E-030 mm Hg (source: MPBPVP)
WS: 1.25E+003 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: -3.93 (KowWin est)
Log Kaw used: -37.700 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 33.770
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : -0.2997
Biowin2 (Non-Linear Model) : 0.0000
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.7449 (weeks-months)
Biowin4 (Primary Survey Model) : 3.9653 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 1.3154
Biowin6 (MITI Non-Linear Model): 0.0004
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -0.1523
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): 2.27E-036 Pa (1.7E-038 mm Hg)
Log Koa (Koawin est ): 33.770
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.32E+030
Octanol/air (Koa) model: 1.45E+021
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 = 294.5251 E-12 cm3/molecule-sec
Half-Life = 0.036 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 26.148 Min
Ozone Reaction:
OVERALL Ozone Rate Constant = 1.200000 E-17 cm3/molecule-sec
Half-Life = 0.955 Days (at 7E11 mol/cm3)
Half-Life = 22.920 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 : 1.195E+007 L/kg (MCI method)
Log Koc: 7.077 (MCI method)
Koc : 0.001693 L/kg (Kow method)
Log Koc: -2.771 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 2.657E-004 L/mol-sec
Kb Half-Life at pH 8: 82.659 years
Kb Half-Life at pH 7: 826.593 years
(Total Kb applies only to esters, carbmates, alkyl halides)
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) = -5.0689 days (HL = 8.532e-006 days)
Log BCF Arnot-Gobas method (upper trophic) = -0.049 (BCF = 0.893)
Log BAF Arnot-Gobas method (upper trophic) = -0.049 (BAF = 0.893)
log Kow used: -3.93 (estimated)
Volatilization from Water:
Henry LC: 4.88E-040 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 3.731E+036 hours (1.555E+035 days)
Half-Life from Model Lake : 4.07E+037 hours (1.696E+036 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 0.0117 0.84 1000
Water 1.84 900 1000
Soil 28.9 1.8e+003 1000
Sediment 69.3 8.1e+003 0
Persistence Time: 3.18e+003 hr