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CAS Number: 70630-17-0
SMILES : COCC(=O)N(C(C)C(=O)OC)c1c(C)cccc1C
CHEM : Metalaxyl-M
MOL FOR: C15 H21 N1 O4
MOL WT : 279.34
------------------------------ EPI SUMMARY (v4.10) --------------------------
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) = 1.70
Log Kow (Exper. database match) = 1.65
Exper. Ref: HANSCH,C ET AL. (1995)
Log Kow (Exper. database match) = 1.71
Exper. Ref: TOMLIN,C (1997)
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 377.88 (Adapted Stein & Brown method)
Melting Pt (deg C): 130.49 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 2.85E-005 (Modified Grain method)
VP (Pa, 25 deg C) : 0.0038 (Modified Grain method)
MP (exp database): -38.7 deg C
BP (exp database): 270 dec deg C
VP (exp database): 2.48E-05 mm Hg (3.31E-003 Pa) at 25 deg C
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 560
log Kow used: 1.71 (expkow database)
no-melting pt equation used
Water Sol (Exper. database match) = 8400 mg/L (22 deg C)
Exper. Ref: TOMLIN,C (1997)
Water Sol (Exper. database match) = 2.6e+004 mg/L (25 deg C)
Exper. Ref: TOMLIN,C (1997)
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 9248.3 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Esters
Amides
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 8.05E-010 atm-m3/mole (8.15E-005 Pa-m3/mole)
Group Method: Incomplete
Exper Database: 2.95E-09 atm-m3/mole (2.99E-004 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: 1.871E-008 atm-m3/mole (1.895E-003 Pa-m3/mole)
VP: 2.85E-005 mm Hg (source: MPBPVP)
WS: 560 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 1.71 (exp database)
Log Kaw used: -6.919 (exp database)
Log Koa (KOAWIN v1.10 estimate): 8.629
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.7609
Biowin2 (Non-Linear Model) : 0.9717
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.5095 (weeks-months)
Biowin4 (Primary Survey Model) : 3.7323 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.4605
Biowin6 (MITI Non-Linear Model): 0.2787
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -1.2256
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): 0.00331 Pa (2.48E-005 mm Hg)
Log Koa (Koawin est ): 8.629
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 0.000907
Octanol/air (Koa) model: 0.000104
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.0317
Mackay model : 0.0677
Octanol/air (Koa) model: 0.00829
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 26.8839 E-12 cm3/molecule-sec
Half-Life = 0.398 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 4.774 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
0.0497 (Junge-Pankow, Mackay avg)
0.00829 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 38.57 L/kg (MCI method)
Log Koc: 1.586 (MCI method)
Koc : 46.51 L/kg (Kow method)
Log Koc: 1.668 (Kow method)
Experimental Log Koc: 1.57 (database)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 4.628E-002 L/mol-sec
Kb Half-Life at pH 8: 173.333 days
Kb Half-Life at pH 7: 4.746 years
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.01):
Log BCF from regression-based method = 0.795 (BCF = 6.241 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -1.9853 days (HL = 0.01034 days)
Log BCF Arnot-Gobas method (upper trophic) = 0.316 (BCF = 2.071)
Log BAF Arnot-Gobas method (upper trophic) = 0.316 (BAF = 2.071)
log Kow used: 1.71 (expkow database)
Volatilization from Water:
Henry LC: 2.95E-009 atm-m3/mole (Henry experimental database)
Half-Life from Model River: 3.317E+005 hours (1.382E+004 days)
Half-Life from Model Lake : 3.619E+006 hours (1.508E+005 days)
Removal In Wastewater Treatment:
Total removal: 2.05 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 1.96 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 0.0272 9.55 1000
Water 23.9 900 1000
Soil 76 1.8e+003 1000
Sediment 0.0896 8.1e+003 0
Persistence Time: 1.35e+003 hr