ChemSpider 2D Image | 2-Hydroxy-3,4-dimethyl-2-cyclopenten-1-one | C7H10O2

2-Hydroxy-3,4-dimethyl-2-cyclopenten-1-one

  • Molecular FormulaC7H10O2
  • Average mass126.153 Da
  • Monoisotopic mass126.068077 Da
  • ChemSpider ID80810

More details:






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

21835-00-7 [RN]
244-604-4 [EINECS]
2-Cyclopenten-1-one, 2-hydroxy-3,4-dimethyl- [ACD/Index Name]
2-Hydroxy-3,4-dimethyl-2-cyclopenten-1-on [German] [ACD/IUPAC Name]
2-Hydroxy-3,4-dimethyl-2-cyclopenten-1-one [ACD/IUPAC Name]
2-Hydroxy-3,4-diméthyl-2-cyclopentén-1-one [French] [ACD/IUPAC Name]
2-Hydroxy-3,4-dimethylcyclopent-2-en-1-one
3,4-Dimethyl-2-hydroxycyclopent-2-en-1-one
147770-82-9 [RN]
2234-26-6 [RN]
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

  • Gas Chromatography
    • Retention Index (Kovats):

      1033 (estimated with error: 89) NIST Spectra mainlib_112931
    • Retention Index (Normal Alkane):

      1063 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.23 mm; Column length: 50 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 80 C; End T: 200 C; CAS no: 21835007; Active phase: OV-101; Carrier gas: N2; Data type: Normal alkane RI; Authors: Nishimura, O.; Mihara, S., Investigation of 2-hydroxy-2-cyclopenten-1-ones in roasted coffee, J. Agric. Food Chem., 38, 1990, 1038-1041.) NIST Spectra nist ri
      1075 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column type: Capillary; CAS no: 21835007; Active phase: DB-5; Data type: Normal alkane RI; Authors: Acree, T.; Arn, H., Flavornet, 2004.) NIST Spectra nist ri
      1839 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 40 C; End T: 230 C; Start time: 8 min; CAS no: 21835007; Active phase: TC-Wax; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Ishikawa, M.; Ito, O.; Ishizaki, S.; Kurobayashi, Y.; Fujita, A., Solid-phase aroma concentrate extraction (SPACE ): a new headspace technique for more sensitive analysis of volatiles, Flavour Fragr. J., 19, 2004, 183-187.) NIST Spectra nist ri
      1765 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.23 mm; Column length: 50 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 80 C; End T: 200 C; CAS no: 21835007; Active phase: Carbowax 20M; Carrier gas: N2; Data type: Normal alkane RI; Authors: Nishimura, O.; Mihara, S., Investigation of 2-hydroxy-2-cyclopenten-1-ones in roasted coffee, J. Agric. Food Chem., 38, 1990, 1038-1041.) NIST Spectra nist ri
    • Retention Index (Linear):

      1765 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.22 mm; Column length: 50 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 80 C; End T: 200 C; CAS no: 21835007; Active phase: Carbowax 20M; Carrier gas: N2; Data type: Linear RI; Authors: Mihara, S.; Nishimura, O., Retention indices of 2-hydroxy-2-cyclopenten-1-ones, J. Hi. Res. Chromatogr., 12, 1989, 763-764.) NIST Spectra nist ri
      1789 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.24 mm; Column length: 50 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 50 C; End T: 210 C; Start time: 5 min; CAS no: 21835007; Active phase: CP-WAX 57CB; Carrier gas: He; Data type: Linear RI; Authors: Baltes, W.; Mevissen, L., Model reactions on roast aroma formation. VI. Volatile reaction products from the reaction of phenylalanine with glucose during cooking and roasting, Z. Lebensm. Unters. Forsch., 187, 1988, 209-214.) NIST Spectra nist ri

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density: 1.1±0.1 g/cm3
Boiling Point: 245.8±40.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.1 mmHg at 25°C
Enthalpy of Vaporization: 56.1±6.0 kJ/mol
Flash Point: 101.0±19.9 °C
Index of Refraction: 1.518
Molar Refractivity: 33.8±0.3 cm3
#H bond acceptors: 2
#H bond donors: 1
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 0.79
ACD/LogD (pH 5.5): 0.78
ACD/BCF (pH 5.5): 2.29
ACD/KOC (pH 5.5): 63.03
ACD/LogD (pH 7.4): 0.77
ACD/BCF (pH 7.4): 2.26
ACD/KOC (pH 7.4): 62.10
Polar Surface Area: 37 Å2
Polarizability: 13.4±0.5 10-24cm3
Surface Tension: 40.4±3.0 dyne/cm
Molar Volume: 111.5±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) =  1.71

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  253.99  (Adapted Stein & Brown method)
    Melting Pt (deg C):  47.94  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.00152  (Modified Grain method)
    Subcooled liquid VP: 0.00247 mm Hg (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  3326
       log Kow used: 1.71 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  85.986 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Vinyl/Allyl Ketones
       Vinyl/Allyl Alcohols

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.65E-005  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  7.586E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.71  (KowWin est)
  Log Kaw used:  -2.721  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.431
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8530
   Biowin2 (Non-Linear Model)     :   0.8678
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0579  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7730  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6487
   Biowin6 (MITI Non-Linear Model):   0.7042
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.3372
 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):  0.329 Pa (0.00247 mm Hg)
  Log Koa (Koawin est  ): 4.431
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  9.11E-006 
       Octanol/air (Koa) model:  6.62E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000329 
       Mackay model           :  0.000728 
       Octanol/air (Koa) model:  5.3E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 104.8370 E-12 cm3/molecule-sec
      Half-Life =     0.102 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.224 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     7.393750 E-17 cm3/molecule-sec
      Half-Life =     0.155 Days (at 7E11 mol/cm3)
      Half-Life =      3.720 Hrs
   Fraction sorbed to airborne particulates (phi): 0.000529 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.123
      Log Koc:  0.050 

 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 = 0.613 (BCF = 4.105)
       log Kow used: 1.71 (estimated)

 Volatilization from Water:
    Henry LC:  4.65E-005 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      15.29  hours
    Half-Life from Model Lake :        261  hours   (10.87 days)

 Removal In Wastewater Treatment:
    Total removal:               4.45  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.92  percent
    Total to Air:                2.44  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.277           1.48         1000       
   Water     36              360          1000       
   Soil      63.6            720          1000       
   Sediment  0.0976          3.24e+003    0          
     Persistence Time: 334 hr




                    

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