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: 23103-98-2
SMILES : CN(C)C(=O)Oc1nc(nc(C)c1C)N(C)C
CHEM : Pirimicarb
MOL FOR: C11 H18 N4 O2
MOL WT : 238.29
------------------------------ 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) = 1.40
Log Kow (Exper. database match) = 1.70
Exper. Ref: TOMLIN,C (1994)
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 326.21 (Adapted Stein & Brown method)
Melting Pt (deg C): 112.43 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.000112 (Modified Grain method)
VP (Pa, 25 deg C) : 0.015 (Modified Grain method)
MP (exp database): 90.5 deg C
VP (exp database): 7.28E-06 mm Hg (9.71E-004 Pa) at 25 deg C
Subcooled liquid VP: 3.24E-005 mm Hg (25 deg C, exp database VP )
: 0.00431 Pa (25 deg C, exp database VP )
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 969.5
log Kow used: 1.70 (expkow database)
no-melting pt equation used
Water Sol (Exper. database match) = 2700 mg/L (25 deg C)
Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 14409 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Carbamate Esters
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 2.62E-009 atm-m3/mole (2.66E-004 Pa-m3/mole)
Group Method: Incomplete
Exper Database: 8.45E-10 atm-m3/mole (8.56E-005 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: 3.622E-008 atm-m3/mole (3.670E-003 Pa-m3/mole)
VP: 0.000112 mm Hg (source: MPBPVP)
WS: 970 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 1.70 (exp database)
Log Kaw used: -7.462 (exp database)
Log Koa (KOAWIN v1.10 estimate): 9.162
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.6177
Biowin2 (Non-Linear Model) : 0.3931
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.2214 (months )
Biowin4 (Primary Survey Model) : 3.2725 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : -0.0405
Biowin6 (MITI Non-Linear Model): 0.0166
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -1.3006
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): 0.00432 Pa (3.24E-005 mm Hg)
Log Koa (Koawin est ): 9.162
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 0.000694
Octanol/air (Koa) model: 0.000356
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 0.0245
Mackay model : 0.0526
Octanol/air (Koa) model: 0.0277
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 151.5235 E-12 cm3/molecule-sec
Half-Life = 0.071 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 0.847 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
0.0386 (Junge-Pankow, Mackay avg)
0.0277 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 56.06 L/kg (MCI method)
Log Koc: 1.749 (MCI method)
Koc : 118.2 L/kg (Kow method)
Log Koc: 2.073 (Kow method)
Experimental Log Koc: 1.9 (database)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 3.061E-005 L/mol-sec
Kb Half-Life at pH 8: 717.616 years
Kb Half-Life at pH 7: 7176.159 years
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.01):
Log BCF from regression-based method = 0.789 (BCF = 6.147 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -2.0230 days (HL = 0.009485 days)
Log BCF Arnot-Gobas method (upper trophic) = 0.296 (BCF = 1.975)
Log BAF Arnot-Gobas method (upper trophic) = 0.296 (BAF = 1.975)
log Kow used: 1.70 (expkow database)
Volatilization from Water:
Henry LC: 8.45E-010 atm-m3/mole (Henry experimental database)
Half-Life from Model River: 1.07E+006 hours (4.457E+004 days)
Half-Life from Model Lake : 1.167E+007 hours (4.862E+005 days)
Removal In Wastewater Treatment:
Total removal: 2.05 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 0.00526 1.69 1000
Water 20.9 1.44e+003 1000
Soil 79 2.88e+003 1000
Sediment 0.0983 1.3e+004 0
Persistence Time: 1.92e+003 hr