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: 41472-84-8
SMILES : CCCCC(C(=O))O
CHEM : 2-hydroxyhexanal
MOL FOR: C6 H12 O2
MOL WT : 116.16
------------------------------ 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) = 0.26
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 192.82 (Adapted Stein & Brown method)
Melting Pt (deg C): -14.52 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.113 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 15.1 (Mean VP of Antoine & Grain methods)
Water Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 2.01e+005
log Kow used: 0.26 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 3.6388e+005 mg/L
ECOSAR Class Program (ECOSAR v1.00):
Class(es) found:
Aldehydes (Mono)
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 3.29E-005 atm-m3/mole (3.33E+000 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: 8.593E-008 atm-m3/mole (8.706E-003 Pa-m3/mole)
VP: 0.113 mm Hg (source: MPBPVP)
WS: 2.01E+005 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 0.26 (KowWin est)
Log Kaw used: -2.871 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 3.131
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 1.2440
Biowin2 (Non-Linear Model) : 1.0000
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.4231 (days-weeks )
Biowin4 (Primary Survey Model) : 4.2753 (hours-days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 1.0371
Biowin6 (MITI Non-Linear Model): 0.9841
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.6062
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): 13.5 Pa (0.101 mm Hg)
Log Koa (Koawin est ): 3.131
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 2.23E-007
Octanol/air (Koa) model: 3.32E-010
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 8.05E-006
Mackay model : 1.78E-005
Octanol/air (Koa) model: 2.66E-008
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 34.3733 E-12 cm3/molecule-sec
Half-Life = 0.311 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 3.734 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi):
1.29E-005 (Junge-Pankow, Mackay avg)
2.66E-008 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 1 L/kg (MCI method)
Log Koc: 0.000 (MCI method)
Koc : 2.68 L/kg (Kow method)
Log Koc: 0.428 (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 = 0.500 (BCF = 3.162 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -1.4095 days (HL = 0.03895 days)
Log BCF Arnot-Gobas method (upper trophic) = 0.005 (BCF = 1.011)
Log BAF Arnot-Gobas method (upper trophic) = 0.005 (BAF = 1.011)
log Kow used: 0.26 (estimated)
Volatilization from Water:
Henry LC: 3.29E-005 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 20.28 hours
Half-Life from Model Lake : 311.6 hours (12.98 days)
Removal In Wastewater Treatment:
Total removal: 3.59 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 1.73 percent
Total to Air: 1.77 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 1.99 7.47 1000
Water 44.1 208 1000
Soil 53.9 416 1000
Sediment 0.0779 1.87e+003 0
Persistence Time: 206 hr