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CAS Number: 2002-22-4

SMILES : N1C(=S)NC(CC(N)C(=O)O)=C1

CHEM :

MOL FOR: C6 H9 N3 O2 S1

MOL WT : 187.22

------------------------------ EPI SUMMARY (v4.11) --------------------------

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) = -3.98

Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):

Boiling Pt (deg C): 485.07 (Adapted Stein & Brown method)

Melting Pt (deg C): 304.77 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 4.84E-011 (Modified Grain method)

VP (Pa, 25 deg C) : 6.46E-009 (Modified Grain method)

Subcooled liquid VP: 6.53E-008 mm Hg (25 deg C, Mod-Grain method)

: 8.71E-006 Pa (25 deg C, Mod-Grain method)

Water Solubility Estimate from Log Kow (WSKOW v1.42):

Water Solubility at 25 deg C (mg/L): 5.314e+004

log Kow used: -3.98 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 1.1439e+005 mg/L

ECOSAR Class Program (ECOSAR v1.11):

Class(es) found:

Aliphatic Amines-acid

Thioureas -acid

Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:

Bond Method : 2.94E-014 atm-m3/mole (2.98E-009 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: 2.244E-016 atm-m3/mole (2.273E-011 Pa-m3/mole)

VP: 4.84E-011 mm Hg (source: MPBPVP)

WS: 5.31E+004 mg/L (source: WSKOWWIN)

Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:

Log Kow used: -3.98 (KowWin est)

Log Kaw used: -11.920 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 7.940

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 1.0951

Biowin2 (Non-Linear Model) : 0.9918

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.1203 (weeks )

Biowin4 (Primary Survey Model) : 4.2119 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.5012

Biowin6 (MITI Non-Linear Model): 0.3133

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.4189

Ready Biodegradability Prediction: YES

Hydrocarbon Biodegradation (BioHCwin v1.01):

Structure incompatible with current estimation method!

Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:

Vapor pressure (liquid/subcooled): 8.71E-006 Pa (6.53E-008 mm Hg)

Log Koa (Koawin est ): 7.940

Kp (particle/gas partition coef. (m3/ug)):

Mackay model : 0.345

Octanol/air (Koa) model: 2.14E-005

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.926

Mackay model : 0.965

Octanol/air (Koa) model: 0.00171

Atmospheric Oxidation (25 deg C) [AopWin v1.92]:

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 196.5966 E-12 cm3/molecule-sec

Half-Life = 0.054 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 0.653 Hrs

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):

0.945 (Junge-Pankow, Mackay avg)

0.00171 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 10 L/kg (MCI method)

Log Koc: 1.000 (MCI method)

Koc : 0.01546 L/kg (Kow method)

Log Koc: -1.811 (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 v3.01):

Log BCF from regression-based method = 0.500 (BCF = 3.162 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -3.1171 days (HL = 0.0007636 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: -3.98 (estimated)

Volatilization from Water:

Henry LC: 2.94E-014 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 2.725E+010 hours (1.135E+009 days)

Half-Life from Model Lake : 2.973E+011 hours (1.239E+010 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 2.05e-005 1.24 1000

Water 30.6 360 1000

Soil 69.4 720 1000

Sediment 0.0688 3.24e+003 0

Persistence Time: 640 hr

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