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ChemSpider 2D Image | Tetrahydro-2H-pyran-4-one | C5H8O2

Tetrahydro-2H-pyran-4-one

  • Molecular FormulaC5H8O2
  • Average mass100.116 Da
  • Monoisotopic mass100.052429 Da
  • ChemSpider ID108503

More details:






Validated by Experts, Validated by Users, Non-Validated, Removed by Users

4H-Pyran-4-one, tetrahydro- [ACD/Index Name]
Tetrahydro-2H-pyran-4-one
Tetrahydro-4H-pyran-4-on [German] [ACD/IUPAC Name]
Tetrahydro-4H-pyran-4-one [ACD/IUPAC Name]
Tétrahydro-4H-pyran-4-one [French] [ACD/IUPAC Name]
(3aR,4S,7R,7aS)-rel-Octahydro-4,7-methano-1H-indene
(3aα,4β,7β,7aα)-Octahydro-4,7-methano-1H-indene
(Tetrahydropyran-4-one)
[2825-82-3]
[29943-42-8]
More...

Validated by Experts, Validated by Users, Non-Validated, Removed by Users

198242_ALDRICH [DBID]
87475_FLUKA [DBID]
MFCD00006581 [DBID]

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

Density: 1.1±0.1 g/cm3
Boiling Point: 167.5±15.0 °C at 760 mmHg
Vapour Pressure: 1.7±0.3 mmHg at 25°C
Enthalpy of Vaporization: 40.4±3.0 kJ/mol
Flash Point: 56.7±0.0 °C
Index of Refraction: 1.440
Molar Refractivity: 24.8±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: -0.78
ACD/LogD (pH 5.5): -0.28
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 16.84
ACD/LogD (pH 7.4): -0.28
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 16.84
Polar Surface Area: 26 Å2
Polarizability: 9.8±0.5 10-24cm3
Surface Tension: 33.5±3.0 dyne/cm
Molar Volume: 94.0±3.0 cm3

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  -0.62

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  160.85  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -20.19  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.45  (Mean VP of Antoine & Grain methods)
    BP  (exp database):  166.5 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  3.969e+005
       log Kow used: -0.62 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1e+006 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Neutral Organics

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.40E-007  atm-m3/mole
   Group Method:   9.74E-009  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  8.132E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -0.62  (KowWin est)
  Log Kaw used:  -4.857  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.237
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.3594
   Biowin2 (Non-Linear Model)     :   0.0915
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9468  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6713  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6124
   Biowin6 (MITI Non-Linear Model):   0.7871
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.2931
 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):  299 Pa (2.24 mm Hg)
  Log Koa (Koawin est  ): 4.237
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1E-008 
       Octanol/air (Koa) model:  4.24E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  3.63E-007 
       Mackay model           :  8.04E-007 
       Octanol/air (Koa) model:  3.39E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  49.3432 E-12 cm3/molecule-sec
      Half-Life =     0.217 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.601 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 5.83E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1
      Log Koc:  0.000 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
    Rate constants can NOT be estimated for this structure!

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.500 (BCF = 3.162)
       log Kow used: -0.62 (estimated)

 Volatilization from Water:
    Henry LC:  9.74E-009 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River: 6.015E+004  hours   (2506 days)
    Half-Life from Model Lake : 6.562E+005  hours   (2.734E+004 days)

 Removal In Wastewater Treatment:
    Total removal:               1.85  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.76  percent
    Total to Air:                0.00  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.173           5.2          1000       
   Water     41              360          1000       
   Soil      58.7            720          1000       
   Sediment  0.0752          3.24e+003    0          
     Persistence Time: 497 hr




                    

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