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CAS Number: 927-74-2

SMILES : OCCC#C

CHEM : 3-Butyn-1-ol

MOL FOR: C4 H6 O1

MOL WT : 70.09

------------------------------ EPI SUMMARY (v4.10) --------------------------

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 v1.68 estimate) = 0.07

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

Boiling Pt (deg C): 122.10 (Adapted Stein & Brown method)

Melting Pt (deg C): -36.45 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 4.3 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 574 (Mean VP of Antoine & Grain methods)

MP (exp database): -63.6 deg C

BP (exp database): 129 deg C

Water Solubility Estimate from Log Kow (WSKOW v1.42):

Water Solubility at 25 deg C (mg/L): 3.821e+005

log Kow used: 0.07 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 1.1382e+005 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Propargyl Alcohols

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

Bond Method : 7.80E-007 atm-m3/mole (7.90E-002 Pa-m3/mole)

Group Method: 2.50E-007 atm-m3/mole (2.54E-002 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: 1.038E-006 atm-m3/mole (1.052E-001 Pa-m3/mole)

VP: 4.3 mm Hg (source: MPBPVP)

WS: 3.82E+005 mg/L (source: WSKOWWIN)

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

Log Kow used: 0.07 (KowWin est)

Log Kaw used: -4.496 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 4.566

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.8729

Biowin2 (Non-Linear Model) : 0.9582

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.2042 (weeks )

Biowin4 (Primary Survey Model) : 3.8761 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.7636

Biowin6 (MITI Non-Linear Model): 0.9141

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 1.0208

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): 523 Pa (3.92 mm Hg)

Log Koa (Koawin est ): 4.566

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

Mackay model : 5.74E-009

Octanol/air (Koa) model: 9.04E-009

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 2.07E-007

Mackay model : 4.59E-007

Octanol/air (Koa) model: 7.23E-007

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 12.3097 E-12 cm3/molecule-sec

Half-Life = 0.869 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 10.427 Hrs

Ozone Reaction:

OVERALL Ozone Rate Constant = 0.003000 E-17 cm3/molecule-sec

Half-Life = 382.000 Days (at 7E11 mol/cm3)

Fraction sorbed to airborne particulates (phi):

3.33E-007 (Junge-Pankow, Mackay avg)

7.23E-007 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 3.471 L/kg (MCI method)

Log Koc: 0.540 (MCI method)

Koc : 3.568 L/kg (Kow method)

Log Koc: 0.552 (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 = 0.500 (BCF = 3.162 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -1.7087 days (HL = 0.01956 days)

Log BCF Arnot-Gobas method (upper trophic) = -0.023 (BCF = 0.9477)

Log BAF Arnot-Gobas method (upper trophic) = -0.023 (BAF = 0.9477)

log Kow used: 0.07 (estimated)

Volatilization from Water:

Henry LC: 2.5E-007 atm-m3/mole (estimated by Group SAR Method)

Half-Life from Model River: 1962 hours (81.73 days)

Half-Life from Model Lake : 2.147E+004 hours (894.5 days)

Removal In Wastewater Treatment:

Total removal: 1.87 percent

Total biodegradation: 0.09 percent

Total sludge adsorption: 1.76 percent

Total to Air: 0.01 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 1.63 20.8 1000

Water 41.6 360 1000

Soil 56.7 720 1000

Sediment 0.0821 3.24e+003 0

Persistence Time: 405 hr

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