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CAS Num: 000764-40-9

SMILES : O=CC=CC=C

CHEM : 2,4-Pentadienal

MOL FOR: C5 H6 O1

MOL WT : 82.10

------------------------------ 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) = 0.96

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

Boiling Pt (deg C): 114.46 (Adapted Stein & Brown method)

Melting Pt (deg C): -69.36 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 20 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 2.66E+003 (Mean VP of Antoine & Grain methods)

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

Water Solubility at 25 deg C (mg/L): 1.978e+004

log Kow used: 0.96 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 49794 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Vinyl/Allyl Aldehydes

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

Bond Method : 4.52E-005 atm-m3/mole (4.58E+000 Pa-m3/mole)

Group Method: 8.48E-006 atm-m3/mole (8.59E-001 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: 1.092E-004 atm-m3/mole (1.107E+001 Pa-m3/mole)

VP: 20 mm Hg (source: MPBPVP)

WS: 1.98E+004 mg/L (source: WSKOWWIN)

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

Log Kow used: 0.96 (KowWin est)

Log Kaw used: -2.733 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 3.693

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.9931

Biowin2 (Non-Linear Model) : 0.9999

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.0401 (weeks )

Biowin4 (Primary Survey Model) : 3.9259 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.9102

Biowin6 (MITI Non-Linear Model): 0.9544

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.5910

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): 2.49E+003 Pa (18.7 mm Hg)

Log Koa (Koawin est ): 3.693

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

Mackay model : 1.2E-009

Octanol/air (Koa) model: 1.21E-009

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 4.35E-008

Mackay model : 9.63E-008

Octanol/air (Koa) model: 9.68E-008

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 52.5780 E-12 cm3/molecule-sec

Half-Life = 0.203 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 2.441 Hrs

Ozone Reaction:

OVERALL Ozone Rate Constant = 0.129600 E-17 cm3/molecule-sec

Half-Life = 8.843 Days (at 7E11 mol/cm3)

Fraction sorbed to airborne particulates (phi):

6.99E-008 (Junge-Pankow, Mackay avg)

9.68E-008 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 3.268 L/kg (MCI method)

Log Koc: 0.514 (MCI method)

Koc : 16.86 L/kg (Kow method)

Log Koc: 1.227 (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) = -0.7131 days (HL = 0.1936 days)

Log BCF Arnot-Gobas method (upper trophic) = 0.241 (BCF = 1.74)

Log BAF Arnot-Gobas method (upper trophic) = 0.241 (BAF = 1.74)

log Kow used: 0.96 (estimated)

Volatilization from Water:

Henry LC: 8.48E-006 atm-m3/mole (estimated by Group SAR Method)

Half-Life from Model River: 63.48 hours (2.645 days)

Half-Life from Model Lake : 768.5 hours (32.02 days)

Removal In Wastewater Treatment:

Total removal: 2.35 percent

Total biodegradation: 0.09 percent

Total sludge adsorption: 1.78 percent

Total to Air: 0.47 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 0.739 4.77 1000

Water 45.1 360 1000

Soil 54.1 720 1000

Sediment 0.0887 3.24e+003 0

Persistence Time: 335 hr

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