2-Chromanone C9H8O2 structure – Flashcards

Flashcard maker : Karen Combs

Molecular Formula C9H8O2
Average mass 148.159 Da
Density 1.2±0.1 g/cm3
Boiling Point 272.0±15.0 °C at 760 mmHg
Flash Point 108.4±17.8 °C
Molar Refractivity 40.2±0.3 cm3
Polarizability 15.9±0.5 10-24cm3
Surface Tension 43.5±3.0 dyne/cm
Molar Volume 123.8±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Predicted – Mcule
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      24-25 °C Alfa Aesar
      25 °C Jean-Claude Bradley Open Melting Point Dataset 22410, 6872
      24-25 °C Alfa Aesar B21229
      24-25 °C LabNetwork LN00192945
      25 °C Indofine
      [D-107]
      ,
      [D-107]
      25 °C FooDB FDB015543
    • Experimental Boiling Point:

      272 °C Alfa Aesar
      272 °C Food and Agriculture Organization of the United Nations 3,4-Dihydro-1-benzopyran-2-one
      272 °C Alfa Aesar B21229
      272 °C LabNetwork LN00192945
      13 °C / 145 mmHg (59.4336 °C / 760 mmHg)
      FooDB FDB015543
    • Experimental LogP:

      1.803 Vitas-M STK801851
    • Experimental Flash Point:

      22 °C TCI D1223
      130 °C Alfa Aesar
      130 °C Alfa Aesar
      130 °F (54.4444 °C)
      Alfa Aesar B21229
      230 °C LabNetwork LN00192945
    • Experimental Gravity:

      20 g/mL Merck Millipore 2742
      20 g/l Merck Millipore 2742, 818454
      1.169 g/mL Alfa Aesar B21229
    • Experimental Refraction Index:

      1.556 Alfa Aesar B21229
      1.555-1.559 Food and Agriculture Organization of the United Nations 3,4-Dihydro-1-benzopyran-2-one
  • Miscellaneous
    • Appearance:

      colourless to pale yellow liquid; coconut-like aroma Food and Agriculture Organization of the United Nations 3,4-Dihydro-1-benzopyran-2-one
    • Safety:

      22-36/37/38 Alfa Aesar B21229
      26-36/37 Alfa Aesar B21229
      GHS07 Biosynth W-108495
      H302; H315; H319; H335 Biosynth W-108495
      H302-H315-H319-H335 Alfa Aesar B21229
      P261; P305+P351+P338 Biosynth W-108495
      P261-P280-P305+P351+P338-P304+P340-P405-P501a Alfa Aesar B21229
      Warning Alfa Aesar B21229
      Warning Biosynth W-108495
      WARNING: Irritates lungs, eyes, skin Alfa Aesar B21229
  • Gas Chromatography
    • Retention Index (Kovats):

      1392 (estimated with error: 47) NIST Spectra mainlib_21402, replib_231944, replib_249604, replib_341328
      1398 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 25 m; Column type: Capillary; Start T: 170 C; CAS no: 119846; Active phase: LM-1; Carrier gas: H2; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Soares, M.F.; Monache, F.D.; Heinzen, V.E.F.; Yunes, R.A., Prediction of gas chromatographic retention indices of coumarins, J. Braz. Chem. Soc., 10(3), 1999, 189-196.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      1392 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.2 mm; Column length: 25 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 70 C; End T: 200 C; End time: 15 min; Start time: 2 min; CAS no: 119846; Active phase: HP-101; Carrier gas: He; Phase thickness: 0.2 um; Data type: Normal alkane RI; Authors: Mastelic, J.; Jerkovic, I.; Mesic, M., Volatile constituents from flowers, leaves, bark and wood of Prunus mahaleb L., Flavour Fragr. J., 21, 2006, 306-313.) NIST Spectra nist ri
      1359 (Program type: Ramp; Column cl… (show more) ass: Standard non-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: 119846; Active phase: OV-101; Data type: Normal alkane RI; Authors: Egolf, L.M.; Jurs, P.C., Quantitative structure-retention and structure-odor intensity relationships for a diverse group of odor-active compounds, Anal. Chem., 65, 1993, 3119-3126., Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 119846; Active phase: OV-101; Data type: Normal alkane RI; Authors: Shibamoto, T., Retention Indices in Essential Oil Analysis, in Capillary Gas Chromatography in Essential Oil Analysis, Sandra, P.; Bicchi, C., ed(s), Hutchig Verlag, Heidelberg, New York, 1987, 259-274., Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 119846; Active phase: SE-30; Data type: Normal alkane RI; Authors: Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004.) NIST Spectra nist ri
      1349 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 100 C; End T: 260 C; CAS no: 119846; Active phase: RTX-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Restek, Restek International, 1999 Product Guide, 1(1), 1999, 578-591, In original 578-591.) NIST Spectra nist ri
      1355.6 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Heat rate: 20 K/min; Start T: 50 C; End T: 250 C; Start time: 1 min; CAS no: 119846; Active phase: HP-1; Carrier gas: He; Data type: Normal alkane RI; Authors: Katritzky, A.R.; Ignatchenko, E.S.; Barcock, R.A.; Lobanov, V.S.; Karelson, M., Prediction of gas chromatographic retention times and response factors using a general quantitative structure — property relationship treatment, Anal. Chem., 66, 1994, 1799-1807.) NIST Spectra nist ri
      2286 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.2 mm; Column length: 80 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 70 C; End T: 170 C; CAS no: 119846; Active phase: Carbowax 20M; Data type: Normal alkane RI; Authors: Egolf, L.M.; Jurs, P.C., Quantitative structure-retention and structure-odor intensity relationships for a diverse group of odor-active compounds, Anal. Chem., 65, 1993, 3119-3126., Program type: Ramp; Column cl… (show more) ass: Standard polar; Column type: Capillary; CAS no: 119846; Active phase: Carbowax 20M; Data type: Normal alkane RI; Authors: Shibamoto, T., Retention Indices in Essential Oil Analysis, in Capillary Gas Chromatography in Essential Oil Analysis, Sandra, P.; Bicchi, C., ed(s), Hutchig Verlag, Heidelberg, New York, 1987, 259-274., Program type: Ramp; Column cl… (show more) ass: Standard polar; Column type: Capillary; CAS no: 119846; Active phase: Carbowax 20M; Data type: Normal alkane RI; Authors: Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004.) NIST Spectra nist ri
      2290 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.64 mm; Column length: 150 m; Column type: Capillary; Heat rate: 1 K/min; Start T: 50 C; End T: 170 C; Start time: 30 min; CAS no: 119846; Active phase: Carbowax 20M; Data type: Normal alkane RI; Authors: Buttery, R.G.; Parker, F.D.; Teranishi, R.; Mon, T.R.; Ling, L.C., Volatile components of alfalfa leaf-cutter bee cells, J. Agric. Food Chem., 29, 1981, 955-958.) NIST Spectra nist ri
    • Retention Index (Linear):

      1350 (Program type: Complex; Column… (show more) class: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: 20C(0.5min) =>60C=>4C/min=>250C; CAS no: 119846; Active phase: HP-1; Carrier gas: He; Phase thickness: 1.05 um; Data type: Linear RI; Authors: Sing, A.S.C.; Smadja, J.; Brevard, H.; Maignial, L.; Chaintreau, A.; Marion, J.-P., Volatile constituents of faham (Jumellea fragrans (Thou.) Schltr.), J. Agric. Food Chem., 40, 1992, 642-646.) NIST Spectra nist ri
      1361 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column type: Packed; Start T: 75 C; End T: 228 C; CAS no: 119846; Active phase: SE-30; Substrate: Celite; Data type: Linear RI; Authors: van den Dool, H.; Kratz, P. Dec., A generalization of the retention index system including linear temperature programmed gas-liquid partition chromatography, J. Chromatogr., 11, 1963, 463-471.) NIST Spectra nist ri
      2269 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 250 C; End time: 15 min; Start time: 5 min; CAS no: 119846; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.5 um; Data type: Linear RI; Authors: Pozo-Bayon M.A.; Ruiz-Rodriguez A.; Pernin K.; Cayot N., Influence of eggs on the aroma composition of a sponge cake and on the aroma release in model studies on flavored sponge cakes, J. Agric. Food Chem., 55, 2007, 1418-1426.) NIST Spectra nist ri
      2314 (Program type: Complex; Column… (show more) class: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Description: 20C(0.5min) =>60C=>4C/min=>250C; CAS no: 119846; Active phase: Supelcowax-10; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Sing, A.S.C.; Smadja, J.; Brevard, H.; Maignial, L.; Chaintreau, A.; Marion, J.-P., Volatile constituents of faham (Jumellea fragrans (Thou.) Schltr.), J. Agric. Food Chem., 40, 1992, 642-646.) NIST Spectra nist ri

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

Density: 1.2±0.1 g/cm3
Boiling Point: 272.0±15.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.6 mmHg at 25°C
Enthalpy of Vaporization: 51.0±3.0 kJ/mol
Flash Point: 108.4±17.8 °C
Index of Refraction: 1.562
Molar Refractivity: 40.2±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 1.80
ACD/LogD (pH 5.5): 1.48
ACD/BCF (pH 5.5): 7.81
ACD/KOC (pH 5.5): 151.57
ACD/LogD (pH 7.4): 1.48
ACD/BCF (pH 7.4): 7.81
ACD/KOC (pH 7.4): 151.57
Polar Surface Area: 26 Å2
Polarizability: 15.9±0.5 10-24cm3
Surface Tension: 43.5±3.0 dyne/cm
Molar Volume: 123.8±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) = 0.97

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 288.73 (Adapted Stein & Brown method)
 Melting Pt (deg C): 39.96 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.00827 (Mean VP of Antoine & Grain methods)
 MP (exp database): 25 deg C
 BP (exp database): 272 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 1.154e+004
 log Kow used: 0.97 (estimated)
 no-melting pt equation used
 Water Sol (Exper. database match) = 3000 mg/L (37 deg C)
 Exper. Ref: BEILSTEIN

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 814.09 mg/L
 Wat Sol (Exper. database match) = 3000.00
 Exper. Ref: BEILSTEIN

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 3.15E-005 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 1.397E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 0.97 (KowWin est)
 Log Kaw used: -2.890 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 3.860
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.9059
 Biowin2 (Non-Linear Model) : 0.9962
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.9371 (weeks )
 Biowin4 (Primary Survey Model) : 3.7944 (days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.6120
 Biowin6 (MITI Non-Linear Model): 0.7836
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.3844
 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): 1.14 Pa (0.00852 mm Hg)
 Log Koa (Koawin est ): 3.860
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 2.64E-006 
 Octanol/air (Koa) model: 1.78E-009 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 9.54E-005 
 Mackay model : 0.000211 
 Octanol/air (Koa) model: 1.42E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 5.0637 E-12 cm3/molecule-sec
 Half-Life = 2.112 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 25.347 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 0.000153 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 146.1
 Log Koc: 2.165 

 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: 0.97 (estimated)

 Volatilization from Water:
 Henry LC: 3.15E-005 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 23.87 hours
 Half-Life from Model Lake : 362.4 hours (15.1 days)

 Removal In Wastewater Treatment:
 Total removal: 3.55 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 1.77 percent
 Total to Air: 1.69 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 5.76 50.7 1000 
 Water 43.3 360 1000 
 Soil 50.9 720 1000 
 Sediment 0.0862 3.24e+003 0 
 Persistence Time: 321 hr




 

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