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CAS Num: 000123-44-4
SMILES : OCC(C)(C)CC(C)C
CHEM : 2,2,4-Trimethyl-1-pentanol
MOL FOR: C8 H18 O1
MOL WT : 130.23
------------------------------ EPI SUMMARY (v4.00) --------------------------
Physical Property Inputs:
Water Solubility (mg/L): ------
Vapor Pressure (mm Hg) : ------
Henry LC (atm-m3/mole) : ------
Log Kow (octanol-water): ------
Boiling Point (deg C) : ------
Melting Point (deg C) : ------
Log Octanol-Water Partition Coef (SRC):
Log Kow (KOWWIN v1.67 estimate) = 2.62
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
Boiling Pt (deg C): 167.66 (Adapted Stein & Brown method)
Melting Pt (deg C): -30.38 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.496 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 66.1 (Mean VP of Antoine & Grain methods)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 1716
log Kow used: 2.62 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 3163.6 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Neutral Organics
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 3.10E-005 atm-m3/mole (3.14E+000 Pa-m3/mole)
Group Method: 5.60E-005 atm-m3/mole (5.68E+000 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: 4.953E-005 atm-m3/mole (5.019E+000 Pa-m3/mole)
VP: 0.496 mm Hg (source: MPBPVP)
WS: 1.72E+003 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 2.62 (KowWin est)
Log Kaw used: -2.897 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 5.517
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.6603
Biowin2 (Non-Linear Model) : 0.6351
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.8592 (weeks )
Biowin4 (Primary Survey Model) : 3.6359 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.6033
Biowin6 (MITI Non-Linear Model): 0.7323
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.2025
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): 58.9 Pa (0.442 mm Hg)
Log Koa (Koawin est ): 5.517
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 5.09E-008
Octanol/air (Koa) model: 8.07E-008
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 1.84E-006
Mackay model : 4.07E-006
Octanol/air (Koa) model: 6.46E-006
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 8.6292 E-12 cm3/molecule-sec
Half-Life = 1.240 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 14.874 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
2.96E-006 (Junge-Pankow, Mackay avg)
6.46E-006 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 22.66 L/kg (MCI method)
Log Koc: 1.355 (MCI method)
Koc : 91.8 L/kg (Kow method)
Log Koc: 1.963 (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 = 1.396 (BCF = 24.9 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -0.5880 days (HL = 0.2582 days)
Log BCF Arnot-Gobas method (upper trophic) = 1.486 (BCF = 30.63)
Log BAF Arnot-Gobas method (upper trophic) = 1.486 (BAF = 30.63)
log Kow used: 2.62 (estimated)
Volatilization from Water:
Henry LC: 3.1E-005 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 22.72 hours
Half-Life from Model Lake : 343.5 hours (14.31 days)
Removal In Wastewater Treatment:
Total removal: 5.09 percent
Total biodegradation: 0.10 percent
Total sludge adsorption: 3.34 percent
Total to Air: 1.64 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 3.35 29.8 1000
Water 34.5 360 1000
Soil 62.1 720 1000
Sediment 0.0959 3.24e+003 0
Persistence Time: 367 hr