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: 107-19-7
SMILES : OCC#C
CHEM : 2-Propyn-1-ol
MOL FOR: C3 H4 O1
MOL WT : 56.06
------------------------------ 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) = -0.42
Log Kow (Exper. database match) = -0.38
Exper. Ref: HANSCH,C ET AL. (1995)
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 98.47 (Adapted Stein & Brown method)
Melting Pt (deg C): -48.98 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 9.83 (Mean VP of Antoine & Grain methods)
VP (Pa, 25 deg C) : 1.31E+003 (Mean VP of Antoine & Grain methods)
MP (exp database): -51.8 deg C
BP (exp database): 113.6 deg C
VP (exp database): 1.56E+01 mm Hg (2.08E+003 Pa) at 25 deg C
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 9.355e+005
log Kow used: -0.38 (expkow database)
no-melting pt equation used
Water Sol (Exper. database match) = 1e+006 mg/L (20 deg C)
Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992)
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 3.1352e+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 : 5.88E-007 atm-m3/mole (5.95E-002 Pa-m3/mole)
Group Method: Incomplete
Exper Database: 1.15E-06 atm-m3/mole (1.17E-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: 7.751E-007 atm-m3/mole (7.854E-002 Pa-m3/mole)
VP: 9.83 mm Hg (source: MPBPVP)
WS: 9.36E+005 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: -0.38 (exp database)
Log Kaw used: -4.328 (exp database)
Log Koa (KOAWIN v1.10 estimate): 3.948
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.8796
Biowin2 (Non-Linear Model) : 0.9655
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.2352 (weeks )
Biowin4 (Primary Survey Model) : 3.8963 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.7559
Biowin6 (MITI Non-Linear Model): 0.9122
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.9948
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): 2.08E+003 Pa (15.6 mm Hg)
Log Koa (Koawin est ): 3.948
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.44E-009
Octanol/air (Koa) model: 2.18E-009
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 5.21E-008
Mackay model : 1.15E-007
Octanol/air (Koa) model: 1.74E-007
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 10.4090 E-12 cm3/molecule-sec
Half-Life = 1.028 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 12.331 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):
8.37E-008 (Junge-Pankow, Mackay avg)
1.74E-007 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 1.904 L/kg (MCI method)
Log Koc: 0.280 (MCI method)
Koc : 2.011 L/kg (Kow method)
Log Koc: 0.303 (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) = -1.8350 days (HL = 0.01462 days)
Log BCF Arnot-Gobas method (upper trophic) = -0.041 (BCF = 0.9094)
Log BAF Arnot-Gobas method (upper trophic) = -0.041 (BAF = 0.9094)
log Kow used: -0.38 (expkow database)
Volatilization from Water:
Henry LC: 1.15E-006 atm-m3/mole (Henry experimental database)
Half-Life from Model River: 382 hours (15.91 days)
Half-Life from Model Lake : 4230 hours (176.2 days)
Removal In Wastewater Treatment:
Total removal: 1.91 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 1.76 percent
Total to Air: 0.07 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 2.44 24.6 1000
Water 44.8 360 1000
Soil 52.7 720 1000
Sediment 0.0855 3.24e+003 0
Persistence Time: 364 hr