2,4-Xylidine C8H11N structure – Flashcards

Flashcard maker : Kaiya Hebert

C8H11N structure
Molecular Formula C8H11N
Average mass 121.180 Da
Density 1.0±0.1 g/cm3
Boiling Point 214.7±9.0 °C at 760 mmHg
Flash Point 90.6±0.0 °C
Molar Refractivity 40.1±0.3 cm3
Polarizability 15.9±0.5 10-24cm3
Surface Tension 37.9±3.0 dyne/cm
Molar Volume 124.3±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Predicted – Mcule
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      -16–14 °C Alfa Aesar L02744
      16 °C Oxford University Chemical Safety Data (No longer updated) More details
      -15 °C Jean-Claude Bradley Open Melting Point Dataset 1532
      16 °C Jean-Claude Bradley Open Melting Point Dataset 13552, 15173
      -14.3 °C Jean-Claude Bradley Open Melting Point Dataset 26612
      16 °C Alfa Aesar
      [H61779]
      , L02744
      -14.3 °C SynQuest 74244, 3730-1-W7
      -16 °C Oakwood
      [098336]
      -14.3 °C LabNetwork LN00221171
    • Experimental Boiling Point:

      98-101 deg C / 11 mm (245.5743-249.6577 °C / 760 mmHg)
      Alfa Aesar
      415-439 F (212.7778-226.1111 °C)
      NIOSH ZE8575000
      214 °C Oxford University Chemical Safety Data (No longer updated) More details
      98-101 °C / 11 mm (245.5743-249.6577 °C / 760 mmHg)
      Alfa Aesar
      [H61779]
      , L02744
      218 °C SynQuest 74244, 3730-1-W7
      217 °C Oakwood
      [098336]
      218 °C LabNetwork LN00221171
    • Experimental Ionization Potent:

      7.65 Ev NIOSH ZE8575000
    • Experimental Vapor Pressure:

      <1 mmHg NIOSH ZE8575000
    • Experimental LogP:

      1.856 Vitas-M STK387111
    • Experimental Flash Point:

      90 °C Alfa Aesar
      206 F (96.6667 °C)
      NIOSH ZE8575000
      90 °C Oxford University Chemical Safety Data (No longer updated) More details
      90 °C Alfa Aesar
      [H61779]
      ,
      90 °F (32.2222 °C)
      Alfa Aesar L02744
      98 °C SynQuest 74244, 3730-1-W7
      90 °C Oakwood
      [098336]
      195 °C LabNetwork LN00221171
    • Experimental Freezing Point:

      -33 F (-36.1111 °C)
      NIOSH ZE8575000
    • Experimental Gravity:

      20 g/mL Merck Millipore 3635
      20 g/l Merck Millipore 3635, 821223
      0.977 g/mL Alfa Aesar
      [H61779]
      , L02744
      0.98 g/mL SynQuest 3730-1-W7
      0.977 g/mL Oakwood
      [098336]
    • Experimental Refraction Index:

      1.559 Alfa Aesar L02744
      1.56 SynQuest 74244, 3730-1-W7
    • Experimental Solubility:

      Slight NIOSH ZE8575000
  • Miscellaneous
    • Appearance:

      dark brown liquid Oxford University Chemical Safety Data (No longer updated) More details
      Not Available Novochemy
      [NC-29801]
      Pale-yellow to brown liquid with a weak, aromatic, amine-like odor. NIOSH ZE8575000
    • Stability:

      Stable. Combustible. Incompatible with strong oxidizing agents. Oxford University Chemical Safety Data (No longer updated) More details
    • Toxicity:

      ORL-RAT LD50 467 mg kg-1, ORL-MUS LD50 250 mg kg-1 Oxford University Chemical Safety Data (No longer updated) More details
    • Safety:

      20/21/22 Novochemy
      [NC-29801]
      20/21/22-36/37/38 Alfa Aesar
      [H61779]
      , L02744
      20/21/36/37/39 Novochemy
      [NC-29801]
      23/24/25-33-40-51/53 Alfa Aesar
      [H61779]
      , L02744
      28-36/37-45-61 Alfa Aesar
      [H61779]
      , L02744
      6.1 Alfa Aesar L02744
      9-23-26-36/37-60 Alfa Aesar
      [H61779]
      , L02744
      Danger Alfa Aesar L02744
      DANGER: POISON, irritates skin, eyes, lungs Alfa Aesar L02744
      GHS07; GHS09 Novochemy
      [NC-29801]
      H301-H311-H331-H351-H373-H411 Alfa Aesar L02744
      H332; H403 Novochemy
      [NC-29801]
      HARMFUL TO THE ENVIRONMENT / TOXIC Alfa Aesar L02744
      P260-P261-P301+P310-P361-P405-P501a Alfa Aesar L02744
      P332+P313; P305+P351+P338 Novochemy
      [NC-29801]
      R22 Novochemy
      [NC-29801]
      Safety glasses, gloves, adequate ventilation. Oxford University Chemical Safety Data (No longer updated) More details
      Toxic/Light Sensitive/Keep Cold SynQuest 3730-1-W7, 74244
      Warning Novochemy
      [NC-29801]
    • First-Aid:

      Eye: Irrigate immediately Skin: Soap wash immediately Breathing: Respiratory support Swallow: Medical attention immediately NIOSH ZE8575000
    • Exposure Routes:

      inhalation, skin absorption, ingestion, skin and/or eye contact NIOSH ZE8575000
    • Symptoms:

      Anoxia, cyanosis, methemoglobinemia; lung, liver, kidney damage NIOSH ZE8575000
    • Target Organs:

      respiratory system, blood, liver, kidneys, cardiovascular system NIOSH ZE8575000
    • Incompatibility:

      Strong oxidizers, hypochlorite salts NIOSH ZE8575000
    • Personal Protection:

      Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: No recommendation Provide: Eyewash, Quick drench NIOSH ZE8575000
    • Exposure Limits:

      NIOSH REL : TWA 2 ppm (10 mg/m 3 ) [skin] OSHA PEL ?: TWA 5 ppm (25 mg/m 3 ) [skin] NIOSH ZE8575000
  • Gas Chromatography
    • Retention Index (Kovats):

      1219 (estimated with error: 83) NIST Spectra mainlib_228784, replib_109632, replib_281623, replib_291411
      1167.01 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.53 mm; Column length: 30 m; Column type: Capillary; Start T: 170 C; CAS no: 95681; Active phase: DB-1; Carrier gas: He; Phase thickness: 3 um; Data type: Kovats RI; Authors: Kuhn, E.R., Selectivity vs. polarity: the fundamentals of chromatographic separation, J. Sep. Sci., 24, 2001, 473-476.) NIST Spectra nist ri
      1145.7 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.5 mm; Column length: 20 m; Column type: Capillary; Start T: 150 C; CAS no: 95681; Active phase: OV-101; Data type: Kovats RI; Authors: Cha, K.-W.; Lee, D.-J., Prediction of retention indices of various compounds in gas-liquid chromatography, J. Korean Chem. Soc., 38(2), 1994, 108-120.) NIST Spectra nist ri
      1160.7 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.5 mm; Column length: 20 m; Column type: Capillary; Start T: 180 C; CAS no: 95681; Active phase: OV-101; Data type: Kovats RI; Authors: Cha, K.-W.; Lee, D.-J., Prediction of retention indices of various compounds in gas-liquid chromatography, J. Korean Chem. Soc., 38(2), 1994, 108-120.) NIST Spectra nist ri
      1960 (Program type: Isothermal; Col… (show more) umn class: Standard polar; Column diameter: 0.02 in; Column length: 15.24 m; Column type: Capillary; Start T: 130 C; CAS no: 95681; Active phase: Carbowax 20M; Carrier gas: N2; Data type: Kovats RI; Authors: Hedin, P.A.; Thopson, A.C.; Gueldner, R.C.; Minyard, J.P., Volatile constituents of the boll weevil, J. Insect. Physiol., 18, 1972, 79-86.) NIST Spectra nist ri
      1976 (Program type: Isothermal; Col… (show more) umn class: Standard polar; Column length: 3 m; Column type: Packed; Start T: 210 C; CAS no: 95681; Active phase: PEG-20M; Substrate: Chromosorb G; Data type: Kovats RI; Authors: Still, R.H.; Evans, M.B.; Whitehead, A., Thermal Degradation of Polymers. V. Vacuum Pyrolysis of Poly (p-N,N-dimethylaminostyrene) . The Products Volatile at Pyrolysis Temperature, Liquid or Gaseous at Room Temperature, J. Appl. Polym. Sci., 16, 1972, 3207-3221.) NIST Spectra nist ri
    • Retention Index (Lee):

      196.1 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.26 mm; Column length: 30 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 50 C; End T: 300 C; End time: 20 min; Start time: 4 min; CAS no: 95681; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Lee RI; Authors: Rostad, C.E.; Pereira, W.E., Kovats and Lee retention indices determined by gas chromatography/mass spectrometry for organic compounds of environmental interest, J. Hi. Res. Chromatogr. & Chromatogr. Comm., 9, 1986, 328-334.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      1131 (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: 3 K/min; Start T: 80 C; End T: 260 C; CAS no: 95681; Active phase: Ultra-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Okumura, T., retention indices of environmental chemicals on methyl silicone capillary column, Journal of Environmental Chemistry (Japan), 1(2), 1991, 333-358.) NIST Spectra nist ri
      1136 (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: 3 K/min; Start T: 80 C; End T: 260 C; CAS no: 95681; Active phase: Ultra-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Okumura, T., retention indices of environmental chemicals on methyl silicone capillary column, Journal of Environmental Chemistry (Japan), 1(2), 1991, 333-358.) NIST Spectra nist ri
    • Retention Index (Linear):

      1123.1 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 40 C; End T: 325 C; CAS no: 95681; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Sun, G.; Stremple, P., Retention index characterization of flavor, fragrance, and many other compounds on DB-1 and DB-XLB, 2003.) NIST Spectra nist ri
      1137.7 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column type: Capillary; Heat rate: 8 K/min; Start T: 35 C; End T: 300 C; CAS no: 95681; Active phase: OV-1; Data type: Linear RI; Authors: Gautzsch, R.; Zinn, P., Use of incremental models to estimate the retention indexes of aromatic compounds, Chromatographia, 43(3/4), 1996, 163-176.) NIST Spectra nist ri
      1167 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.26 mm; Column length: 30 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 50 C; End T: 300 C; End time: 20 min; Start time: 4 min; CAS no: 95681; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Rostad, C.E.; Pereira, W.E., Kovats and Lee retention indices determined by gas chromatography/mass spectrometry for organic compounds of environmental interest, J. Hi. Res. Chromatogr. & Chromatogr. Comm., 9, 1986, 328-334.) NIST Spectra nist ri

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

Density: 1.0±0.1 g/cm3
Boiling Point: 214.7±9.0 °C at 760 mmHg
Vapour Pressure: 0.2±0.4 mmHg at 25°C
Enthalpy of Vaporization: 45.1±3.0 kJ/mol
Flash Point: 90.6±0.0 °C
Index of Refraction: 1.559
Molar Refractivity: 40.1±0.3 cm3
#H bond acceptors: 1
#H bond donors: 2
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 1.86
ACD/LogD (pH 5.5): 1.78
ACD/BCF (pH 5.5): 12.69
ACD/KOC (pH 5.5): 201.67
ACD/LogD (pH 7.4): 1.88
ACD/BCF (pH 7.4): 15.70
ACD/KOC (pH 7.4): 249.64
Polar Surface Area: 26 Å2
Polarizability: 15.9±0.5 10-24cm3
Surface Tension: 37.9±3.0 dyne/cm
Molar Volume: 124.3±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) = 2.17
 Log Kow (Exper. database match) = 1.68
 Exper. Ref: Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 223.42 (Adapted Stein & Brown method)
 Melting Pt (deg C): 29.14 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.178 (Mean VP of Antoine & Grain methods)
 MP (exp database): -14.3 deg C
 BP (exp database): 214 deg C
 VP (exp database): 1.33E-01 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 3652
 log Kow used: 1.68 (expkow database)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 2175.5 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 2.32E-006 atm-m3/mole
 Group Method: 2.50E-006 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 7.772E-006 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 1.68 (exp database)
 Log Kaw used: -4.023 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 5.703
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.5654
 Biowin2 (Non-Linear Model) : 0.6307
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.6467 (weeks-months)
 Biowin4 (Primary Survey Model) : 3.4275 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.3015
 Biowin6 (MITI Non-Linear Model): 0.2272
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): -0.4716
 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): 17.7 Pa (0.133 mm Hg)
 Log Koa (Koawin est ): 5.703
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 1.69E-007 
 Octanol/air (Koa) model: 1.24E-007 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 6.11E-006 
 Mackay model : 1.35E-005 
 Octanol/air (Koa) model: 9.91E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 162.0353 E-12 cm3/molecule-sec
 Half-Life = 0.066 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 0.792 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 9.82E-006 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 119.9
 Log Koc: 2.079 

 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 = 0.594 (BCF = 3.923)
 log Kow used: 1.68 (expkow database)

 Volatilization from Water:
 Henry LC: 2.5E-006 atm-m3/mole (estimated by Group SAR Method)
 Half-Life from Model River: 258.9 hours (10.79 days)
 Half-Life from Model Lake : 2917 hours (121.5 days)

 Removal In Wastewater Treatment:
 Total removal: 2.18 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 1.94 percent
 Total to Air: 0.14 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 0.12 1.58 1000 
 Water 38.1 900 1000 
 Soil 61.7 1.8e+003 1000 
 Sediment 0.108 8.1e+003 0 
 Persistence Time: 690 hr




 

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