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CAS Number: 6410-40-8
SMILES : O=C(Nc(c(OC)ccc1OC)c1)c(c(O)c(N=Nc(c(ccc2CL)CL)c2)c(c3ccc4)c4)c3
CHEM : 2-Naphthalenecarboxamide, 4- (2,5-dichlorophenyl)azo -N-(2,5-dimethox
yphenyl)-3-hydroxy-
MOL FOR: C25 H19 CL2 N3 O4
MOL WT : 496.35
------------------------------ EPI SUMMARY (v4.10) --------------------------
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 v1.68 estimate) = 8.18
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 683.08 (Adapted Stein & Brown method)
Melting Pt (deg C): 298.12 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 2.18E-017 (Modified Grain method)
VP (Pa, 25 deg C) : 2.9E-015 (Modified Grain method)
Subcooled liquid VP: 2.42E-014 mm Hg (25 deg C, Mod-Grain method)
: 3.23E-012 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 0.0001102
log Kow used: 8.18 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 0.00091569 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Hydrazines
Phenols
Amides
Phenol Amines
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 8.19E-017 atm-m3/mole (8.30E-012 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: 1.292E-013 atm-m3/mole (1.309E-008 Pa-m3/mole)
VP: 2.18E-017 mm Hg (source: MPBPVP)
WS: 0.00011 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 8.18 (KowWin est)
Log Kaw used: -14.475 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 22.655
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.4944
Biowin2 (Non-Linear Model) : 0.0003
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 1.2747 (recalcitrant)
Biowin4 (Primary Survey Model) : 3.1475 (weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : -0.1255
Biowin6 (MITI Non-Linear Model): 0.0000
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): -1.3085
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): 3.23E-012 Pa (2.42E-014 mm Hg)
Log Koa (Koawin est ): 22.655
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 9.3E+005
Octanol/air (Koa) model: 1.11E+010
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 = 131.1810 E-12 cm3/molecule-sec
Half-Life = 0.082 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 0.978 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Reaction With Nitrate Radicals May Be Important!
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 : 8.365E+004 L/kg (MCI method)
Log Koc: 4.922 (MCI method)
Koc : 8.101E+005 L/kg (Kow method)
Log Koc: 5.909 (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 = 1.000 (BCF = 10 L/kg wet-wt)
Log Biotransformation Half-life (HL) = 1.0938 days (HL = 12.41 days)
Log BCF Arnot-Gobas method (upper trophic) = 2.180 (BCF = 151.2)
Log BAF Arnot-Gobas method (upper trophic) = 4.413 (BAF = 2.59e+004)
log Kow used: 8.18 (estimated)
Volatilization from Water:
Henry LC: 8.19E-017 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 1.593E+013 hours (6.636E+011 days)
Half-Life from Model Lake : 1.737E+014 hours (7.239E+012 days)
Removal In Wastewater Treatment:
Total removal: 94.02 percent
Total biodegradation: 0.78 percent
Total sludge adsorption: 93.24 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 0.00654 1.96 1000
Water 4.33 4.32e+003 1000
Soil 90.3 8.64e+003 1000
Sediment 5.34 3.89e+004 0
Persistence Time: 6.73e+003 hr