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CAS Number: 65530-53-2

SMILES : Cc1ncc(nc1)SCc2ccco2

CHEM : 2-[(furan-2-ylmethyl)sulfanyl]-5-methylpyrazine

MOL FOR: C10 H10 N2 O1 S1

MOL WT : 206.26

------------------------------ EPI SUMMARY (v4.00) --------------------------

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 v1.67 estimate) = 2.71

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

Boiling Pt (deg C): 315.32 (Adapted Stein & Brown method)

Melting Pt (deg C): 103.21 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.000149 (Modified Grain method)

VP (Pa, 25 deg C) : 0.0198 (Modified Grain method)

Subcooled liquid VP: 0.000862 mm Hg (25 deg C, Mod-Grain method)

: 0.115 Pa (25 deg C, Mod-Grain method)

Water Solubility Estimate from Log Kow (WSKOW v1.41):

Water Solubility at 25 deg C (mg/L): 198.1

log Kow used: 2.71 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 1881.7 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Neutral Organics

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

Bond Method : 2.94E-007 atm-m3/mole (2.98E-002 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: 2.041E-007 atm-m3/mole (2.068E-002 Pa-m3/mole)

VP: 0.000149 mm Hg (source: MPBPVP)

WS: 198 mg/L (source: WSKOWWIN)

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

Log Kow used: 2.71 (KowWin est)

Log Kaw used: -4.920 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 7.630

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.7040

Biowin2 (Non-Linear Model) : 0.6586

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.6685 (weeks-months)

Biowin4 (Primary Survey Model) : 3.4816 (days-weeks )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.1254

Biowin6 (MITI Non-Linear Model): 0.0663

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): -0.0202

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): 0.115 Pa (0.000862 mm Hg)

Log Koa (Koawin est ): 7.630

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

Mackay model : 2.61E-005

Octanol/air (Koa) model: 1.05E-005

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.000942

Mackay model : 0.00208

Octanol/air (Koa) model: 0.000837

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 109.8753 E-12 cm3/molecule-sec

Half-Life = 0.097 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 1.168 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Reaction With Nitrate Radicals May Be Important!

Fraction sorbed to airborne particulates (phi):

0.00151 (Junge-Pankow, Mackay avg)

0.000837 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 3722 L/kg (MCI method)

Log Koc: 3.571 (MCI method)

Koc : 664.5 L/kg (Kow method)

Log Koc: 2.823 (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 v3.00):

Log BCF from regression-based method = 1.453 (BCF = 28.4 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -0.5047 days (HL = 0.3128 days)

Log BCF Arnot-Gobas method (upper trophic) = 1.574 (BCF = 37.51)

Log BAF Arnot-Gobas method (upper trophic) = 1.574 (BAF = 37.51)

log Kow used: 2.71 (estimated)

Volatilization from Water:

Henry LC: 2.94E-007 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 2862 hours (119.2 days)

Half-Life from Model Lake : 3.134E+004 hours (1306 days)

Removal In Wastewater Treatment:

Total removal: 3.87 percent

Total biodegradation: 0.11 percent

Total sludge adsorption: 3.75 percent

Total to Air: 0.02 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 0.0953 2.34 1000

Water 16.9 900 1000

Soil 79.4 1.8e+003 1000

Sediment 3.62 8.1e+003 0

Persistence Time: 1.11e+003 hr

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