UNII:L5IDR3PHAV C8H10N2 structure Flashcard

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C8H10N2 structure
Molecular FormulaC8H10N2
Average mass134.178 Da
Density1.1±0.1 g/cm3
Boiling Point209.6±35.0 °C at 760 mmHg
Flash Point78.9±0.0 °C
Molar Refractivity39.3±0.3 cm3
Polarizability15.6±0.5 10-24cm3
Surface Tension43.6±3.0 dyne/cm
Molar Volume125.0±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Experimental Physico-chemical Properties
    • Experimental Boiling Point:

      201-203 °C Alfa Aesar
      201-203 °C Alfa Aesar B21671
      96-99 °C / 20 mm Hg (222.5993-226.5332 °C / 760 mmHg)
      (Literature) LabNetwork LN00223287
    • Experimental Flash Point:

      174 °C LabNetwork LN00223287
  • Miscellaneous
    • Safety:

      26-37 Alfa Aesar B21671
      36/37/38 Alfa Aesar B21671
      GHS07 Biosynth W-107377
      H315; H319; H335 Biosynth W-107377
      P261; P305+P351+P338 Biosynth W-107377
      Warning Biosynth W-107377
      WARNING: Irritates lungs, eyes, skin Alfa Aesar B21671
  • Gas Chromatography
    • Retention Index (Kovats):

      1095 (estimated with error: 83) NIST Spectra mainlib_237290, replib_249438
    • Retention Index (Normal Alkane):

      1110 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 10 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 35 C; End T: 225 C; Start time: 3 min; CAS no: 23747480; Active phase: OV-101; Carrier gas: Helium; Phase thickness: 0.52 um; Data type: Normal alkane RI; Authors: Deibler, K.D.; Acree, T.E.; Lavin, E.H., Aroma analysis of coffrr brew by gas chromatography-oldfactometry, Developments in Food Sci., 40, 1998, 69-78.) NIST Spectra nist ri
      1103 (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: 4 K/min; Start T: 35 C; End T: 250 C; CAS no: 23747480; Active phase: HP-1; Data type: Normal alkane RI; Authors: Ong, P.K.C.; Acree, T.E., Gas chromatography/olfactory analysis of lychee (Litchi chinesis Sonn.), J. Agric. Food Chem., 46(6), 1998, 2282-2286.) NIST Spectra nist ri
      1100 (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: 4 K/min; Start T: 50 C; End T: 200 C; End time: 15 min; CAS no: 23747480; Active phase: Methyl Silicone; Data type: Normal alkane RI; Authors: Lorenz, G.; Stern, D.J.; Flath, R.A.; Haddon, W.F.; Tillin, S.J.; Teranishi, R., Identification of sheep liver volatiles, J. Agric. Food Chem., 31, 1983, 1052-1057.) NIST Spectra nist ri
      1112.7 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.03 in; Column length: 1000 ft; Column type: Capillary; Heat rate: 4 K/min; Start T: 80 C; End T: 225 C; Start time: 5 min; CAS no: 23747480; Active phase: SF-96; Data type: Normal alkane RI; Authors: Mussinan, C.J.; Walradt, J.P., Volatile constituents of pressure cooked pork liver, J. Agric. Food Chem., 22(5), 1974, 827-831.) NIST Spectra nist ri
      1139 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.18 mm; Column length: 10 m; Column type: Capillary; CAS no: 23747480; Active phase: SLB-5MS; Carrier gas: Helium; Phase thickness: 0.18 um; Data type: Normal alkane RI; Authors: Risticevic, S.; Carasek, E.; Pawliszyn, J., Headspace solid-phase microextraction-gas chromatographic-time-of-flight mass spectrometric methodology for geographical origin verification of coffee, Anal. Chim. Acta, 617, 2008, 72-84.) NIST Spectra nist ri
      1149 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.18 mm; Column length: 10 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 40 C; End T: 295 C; Start time: 1.5 min; CAS no: 23747480; Active phase: SLB-5MS; Carrier gas: Helium; Phase thickness: 0.18 um; Data type: Normal alkane RI; Authors: Risticevic, S.; Carasek, E.; Pawliszyn, J., Headspace solid-phase microextraction-gas chromatographic-time-of-flight mass spectrometric methodology for geographical origin verification of coffee, Anal. Chim. Acta, 617, 2008, 72-84.) NIST Spectra nist ri
      1147 (Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 50C(2min) =>20C/min =>80C (1min) =>20C/min =>100C(1min) =>30C/min =>230C(3min); CAS no: 23747480; Active phase: HP-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Ho, C.W.; Wan Aida, W.M.; Maskat, M.Y.; Osman, H., Changes in volatile compounds of palm sap (Arenga pinnata) during the heating process for production of palm sugar, Food Chem., 102, 2007, 1156-1162.) NIST Spectra nist ri
      1643 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 35 C; End T: 320 C; End time: 45 min; Start time: 5 min; CAS no: 23747480; Active phase: FFAP; Carrier gas: N2; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Nebesny, E.; Budryn, G.; Kula, J.; Majda, T., The effect of roasting method on headspace composition of robusta coffee bean aroma, Eur. Food Res. Technol., 225, 2007, 9-19.) NIST Spectra nist ri
      1630 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; CAS no: 23747480; Active phase: HP-Innowax; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Viegas, M.C.; Bassoli, D.G., Utilizacao do indice de retencao linear para caracterizacao de compostos volateis em cafe soluvel utilizando GC-MS e coluna HP-Innowax, Quim. Nova, 30(8), 2007, 2031-2034.) NIST Spectra nist ri
      1636 (Program type: Complex; Column… (show more) class: Standard polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Description: 40 0C (5 min) ^ 4 0C/min -> 60 0C (5 min) ^ 8 0C/min -> 250 0C (3 min); CAS no: 23747480; Active phase: HP-Innowax; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Viegas, M.C.; Bassoli, D.G., Utilizacao do indice de retencao linear para caracterizacao de compostos volateis em cafe soluvel utilizando GC-MS e coluna HP-Innowax, Quim. Nova, 30(8), 2007, 2031-2034.) NIST Spectra nist ri
      1596 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 40 C; End T: 230 C; End time: 20 min; CAS no: 23747480; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Akiyama, M.; Murakami, K.; Ohtani, N.; Iwatsuki, K.; Sotoyama, K.; Wada, A.; Tokuno, K.; Iwabuchi, H.; Tanaka, K., Analysis of volatile compounds released during the grinding of roasted coffee beans using solid-phase microextraction, J. Agric. Food Chem., 51, 2003, 1961-1969.) NIST Spectra nist ri
      1667 (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: 190 C; Start time: 6 min; CAS no: 23747480; Active phase: HP-Wax; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Sanz, C.; Ansorena, D.; Bello, J.; Cid, C., Optimizing headspace temperature and time sampling for identification of volatile compounds in ground roasted Arabica coffee, J. Agric. Food Chem., 49, 2001, 1364-1369., 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: 190 C; Start time: 6 min; CAS no: 23747480; Active phase: HP-Wax; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Sanz, C.; Maeztu, L.; Zapelena, M.J.; Bello, J.; Cid, C., Profiles of volatile compounds and sensory analysis of three blends of coffee: influence of different proportions of Arabica and Robusta and influence of roasting coffee with sugar, J. Sci. Food Agric., 82, 2002, 840-847.) NIST Spectra nist ri
      1594 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 35 C; End T: 250 C; CAS no: 23747480; Active phase: HP-Innowax; Data type: Normal alkane RI; Authors: Ong, P.K.C.; Acree, T.E., Gas chromatography/olfactory analysis of lychee (Litchi chinesis Sonn.), J. Agric. Food Chem., 46(6), 1998, 2282-2286.) NIST Spectra nist ri
      1605 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 70 C; End T: 160 C; Start time: 8 min; CAS no: 23747480; Active phase: DB-Wax; Carrier gas: He; Data type: Normal alkane RI; Authors: Wong, J.M.; Bernhard, R.A., Effect of nitrogen source on pyrazine formation, J. Agric. Food Chem., 36(1), 1988, 123-129.) NIST Spectra nist ri
      1603 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column length: 3 m; Column type: Packed; Heat rate: 4 K/min; Start T: 60 C; End T: 180 C; CAS no: 23747480; Active phase: Carbowax; Carrier gas: He; Substrate: Chromosorb G AW DMCS; Data type: Normal alkane RI; Authors: Schieberle, P.; Grosch, W., Identifizierung von Aromastoffen aus der Kruste von Roggenbrot, Z. Lebensm. Unters. Forsch., 177(3), 1983, 173-180.) NIST Spectra nist ri
      1623.2 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.03 in; Column length: 500 ft; Column type: Capillary; Heat rate: 2 K/min; Start T: 60 C; End T: 190 C; Start time: 2 min; CAS no: 23747480; Active phase: Carbowax 20M; Carrier gas: He; Data type: Normal alkane RI; Authors: Kinlin, T.E.; Muralidhara, R.; Pittet, A.O.; Sanderson, A.; Walradt, J.P., Volatile components of roasted filberts, J. Agric. Food Chem., 20(5), 1972, 1021-1028.) NIST Spectra nist ri
    • Retention Index (Linear):

      1111 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 40 C; End T: 220 C; Start time: 5 min; CAS no: 23747480; Active phase: DB-1; Carrier gas: He; Phase thickness: 1 um; Data type: Linear RI; Authors: Kim, J.S., Einfluss der Temperatur beim Rosten von Sesam auf Aroma und antioxidative Eigenschaften des Ols, PhD Thesis, Technischen Universitat Berlin zur Erlangung des akademischen Grades, Berlin, 2001, 151.) NIST Spectra nist ri
      1113 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 40 C; End T: 220 C; End time: 30 min; CAS no: 23747480; Active phase: HP-1; Phase thickness: 1.5 um; Data type: Linear RI; Authors: Zhang, Y.; Dorjpalam, B.; Ho, C.-T., Contribution of peptides to volatile formation in the Maillard reaction of casein hydrolysate with glucose, J. Agric. Food Chem., 40, 1992, 2467-2471.) NIST Spectra nist ri
      1106 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 50 C; End T: 240 C; CAS no: 23747480; Active phase: SE-30; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Misharina, T.A.; Golovnya, R.V.; Yakovleva, V.N.; Vitt, S.V., Pyrazines formed in model glycerin-water systems, Russ. Chem. Bull. (Engl. Transl.), 40(9), 1991, 1742-1748, In original 1972-1979.) NIST Spectra nist ri
      1158 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 60 C; End T: 250 C; End time: 10 min; Start time: 5 min; CAS no: 23747480; Active phase: BPX-5; Carrier gas: He; Phase thickness: 0.5 um; Data type: Linear RI; Authors: Ames, J.M.; Guy, R.C.E.; Kipping, G.J., Effect of pH and temperature on the formation of volatile compounds in cysteine/reducing sugar/starch mixtures during extrusion cooking, J. Agric. Food Chem., 49, 2001, 1885-1894.) NIST Spectra nist ri
      1163 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 60 C; End T: 250 C; End time: 10 min; Start time: 5 min; CAS no: 23747480; Active phase: BPX-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Ames, J.M.; Guy, R.C.E.; Kipping, G.J., Effect of pH, temperature, and moisture on the formation of volatile compounds in glycine/glucose model systems, J. Agric. Food Chem., 49, 2001, 4315-4323.) NIST Spectra nist ri
      1157 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.325 mm; Column length: 50 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 50 C; End T: 250 C; End time: 10 min; Start time: 2 min; CAS no: 23747480; Active phase: BPX-5; Carrier gas: He; Phase thickness: 0.5 um; Data type: Linear RI; Authors: Ames, J.M.; Defaye, A.B.; Bates, L., The effect of pH on the volatiles formed in an extruded starch-glucose-lysine model system, Food Chem., 58(4), 1997, 323-327.) NIST Spectra nist ri
      1616 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 40 C; End T: 200 C; End time: 30 min; Start time: 5 min; CAS no: 23747480; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Kim, J.S., Einfluss der Temperatur beim Rosten von Sesam auf Aroma und antioxidative Eigenschaften des Ols, PhD Thesis, Technischen Universitat Berlin zur Erlangung des akademischen Grades, Berlin, 2001, 151.) NIST Spectra nist ri

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

Density: 1.1±0.1 g/cm3
Boiling Point: 209.6±35.0 °C at 760 mmHg
Vapour Pressure: 0.3±0.4 mmHg at 25°C
Enthalpy of Vaporization: 42.8±3.0 kJ/mol
Flash Point: 78.9±0.0 °C
Index of Refraction: 1.542
Molar Refractivity: 39.3±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 1.33
ACD/LogD (pH 5.5): 1.52
ACD/BCF (pH 5.5): 8.38
ACD/KOC (pH 5.5): 159.38
ACD/LogD (pH 7.4): 1.52
ACD/BCF (pH 7.4): 8.38
ACD/KOC (pH 7.4): 159.45
Polar Surface Area: 26 Å2
Polarizability: 15.6±0.5 10-24cm3
Surface Tension: 43.6±3.0 dyne/cm
Molar Volume: 125.0±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) = 1.83

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 212.71 (Adapted Stein & Brown method)
 Melting Pt (deg C): 34.58 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.144 (Modified Grain method)
 Subcooled liquid VP: 0.176 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): 2416
 log Kow used: 1.83 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 10948 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 2.76E-006 atm-m3/mole
 Group Method: 3.46E-009 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 1.052E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 1.83 (KowWin est)
 Log Kaw used: -3.948 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 5.778
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.7930
 Biowin2 (Non-Linear Model) : 0.9053
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.7529 (weeks )
 Biowin4 (Primary Survey Model) : 3.5171 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.2841
 Biowin6 (MITI Non-Linear Model): 0.3287
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.2425
 Ready Biodegradability Prediction: NO

Hydrocarbon Biodegradation (BioHCwin v1.01):
 Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
 Vapor pressure (liquid/subcooled): 23.5 Pa (0.176 mm Hg)
 Log Koa (Koawin est ): 5.778
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 1.28E-007 
 Octanol/air (Koa) model: 1.47E-007 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 4.62E-006 
 Mackay model : 1.02E-005 
 Octanol/air (Koa) model: 1.18E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 4.0218 E-12 cm3/molecule-sec
 Half-Life = 2.660 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 31.914 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 7.42E-006 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 178.5
 Log Koc: 2.252 

 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 = 0.710 (BCF = 5.128)
 log Kow used: 1.83 (estimated)

 Volatilization from Water:
 Henry LC: 2.76E-006 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 246.9 hours (10.29 days)
 Half-Life from Model Lake : 2791 hours (116.3 days)

 Removal In Wastewater Treatment:
 Total removal: 2.27 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 2.02 percent
 Total to Air: 0.16 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 3.72 63.8 1000 
 Water 32.7 360 1000 
 Soil 63.4 720 1000 
 Sediment 0.0978 3.24e+003 0 
 Persistence Time: 427 hr




 

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