4-Nitrotoluene C7H7NO2 structure – Flashcards

Flashcard maker : Ben Russell

C7H7NO2 structure
Molecular Formula C7H7NO2
Average mass 137.136 Da
Density 1.2±0.1 g/cm3
Boiling Point 238.0±0.0 °C at 760 mmHg
Flash Point 106.1±0.0 °C
Molar Refractivity 37.6±0.3 cm3
Polarizability 14.9±0.5 10-24cm3
Surface Tension 42.7±3.0 dyne/cm
Molar Volume 117.6±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Predicted – Mcule
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      53 °C TCI N0276
      50-54 °C Alfa Aesar
      51 °C Oxford University Chemical Safety Data (No longer updated) More details
      50-52 °C Merck Millipore 1678, 806807
      54 °C Jean-Claude Bradley Open Melting Point Dataset 13787
      51 °C Jean-Claude Bradley Open Melting Point Dataset 15063
      51.6 °C Jean-Claude Bradley Open Melting Point Dataset 26583
      53 °C Jean-Claude Bradley Open Melting Point Dataset 27701
      52 °C Jean-Claude Bradley Open Melting Point Dataset 5512
      50-54 °C Alfa Aesar A14398
      51-53 °C Oakwood 241128
      52-54 °C LabNetwork LN00223489
    • Experimental Boiling Point:

      238-239 °C Alfa Aesar
      460 F (237.7778 °C)
      NIOSH XT3325000
      238 °C Oxford University Chemical Safety Data (No longer updated) More details
      238-239 °C Alfa Aesar A14398
      239-239 °C Oakwood 241128
      238 °C LabNetwork LN00223489
    • Experimental Ionization Potent:

      9.5 Ev NIOSH XT3325000
    • Experimental Vapor Pressure:

      0.1 mmHg NIOSH XT3325000
    • Experimental LogP:

      2.37 Egon Willighagen http://dx.doi.org/10.1021/ci050282s
    • Experimental Flash Point:

      106 °C Alfa Aesar
      223 F (106.1111 °C)
      NIOSH XT3325000
      106 °C Oxford University Chemical Safety Data (No longer updated) More details
      106 °C Alfa Aesar
      106 °F (41.1111 °C)
      Alfa Aesar A14398
      106 °C Oakwood 241128
      223 °C LabNetwork LN00223489
    • Experimental Gravity:

      1.392 g/mL Alfa Aesar A14398
      1.392 g/mL Oakwood 241128
    • Experimental Solubility:

      0.04% NIOSH XT3325000
      -2.49 Egon Willighagen http://dx.doi.org/10.1021/ci050282s
  • Predicted Physico-chemical Properties
    • Predicted Melting Point:

      52-54 °C J&K Scientific 343754
      53 °C TCI
      53 °C TCI N0276
  • Miscellaneous
    • Appearance:

      Crystalline solid with a weak, aromatic odor. NIOSH XT3325000
      light yellow crystals Oxford University Chemical Safety Data (No longer updated) More details
    • Stability:

      May be shock sensitive. Incompatible with sulfuric acid, strong bases, reducing agents,strong oxidizing agents. Oxford University Chemical Safety Data (No longer updated) More details
    • Toxicity:

      ORL-RAT LD50 2144 mg kg-1, IPR-RAT LD50 940 mg kg-1, ORL-MUS LD50 1231 mg kg-1 Oxford University Chemical Safety Data (No longer updated) More details
    • Safety:

      23/24/25-33-51/53 Alfa Aesar A14398
      28-37-45-61 Alfa Aesar A14398
      6.1 Alfa Aesar A14398
      Danger Alfa Aesar A14398
      DANGER: POISON, irritates skin, eyes, lungs Alfa Aesar A14398
      H301-H311-H331-H373-H411 Alfa Aesar A14398
      P280g-P273-P309-P310-P302+P352 Alfa Aesar A14398
      Safety glasses, gloves, good ventilation. Oxford University Chemical Safety Data (No longer updated) More details
    • First-Aid:

      Eye: Irrigate immediately Skin: Soap wash immediately Breathing: Respiratory support Swallow: Medical attention immediately NIOSH XT3325000
    • Exposure Routes:

      inhalation, skin absorption, ingestion, skin and/or eye contact NIOSH XT3325000
    • Symptoms:

      Anoxia, cyanosis; headache, lassitude (weakness, exhaustion), dizziness; ataxia; dyspnea (breathing difficulty); tachycardia; nausea, vomiting NIOSH XT3325000
    • Target Organs:

      Blood, central nervous system, cardiovascular system, skin, gastrointestinal tract NIOSH XT3325000
    • Incompatibility:

      Strong oxidizers, sulfuric acid NIOSH XT3325000
    • Personal Protection:

      Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: Daily NIOSH XT3325000
    • Exposure Limits:

      NIOSH REL : TWA 2 ppm (11 mg/m 3 ) [skin] OSHA PEL ?: TWA 5 ppm (30 mg/m 3 ) [skin] NIOSH XT3325000
  • Gas Chromatography
    • Retention Index (Kovats):

      1189 (estimated with error: 83) NIST Spectra mainlib_228474, replib_150121, replib_3485, replib_162791
      1212 (Program type: Isothermal; Col… (show more) umn class: Semi-standard non-polar; Column length: 2.25 m; Column type: Packed; Start T: 130 C; CAS no: 99990; Active phase: Apiezon L; Substrate: Celite; Data type: Kovats RI; Authors: Wehrli, A.; Kovats, E., Gas-chromatographische Charakterisierung ogranischer Verbindungen. Teil 3: Berechnung der Retentionsindices aliphatischer, alicyclischer und aromatischer Verbindungen, Helv. Chim. Acta, 7, 1959, 2709-2736.) NIST Spectra nist ri
      1986 (Program type: Isothermal; Col… (show more) umn class: Standard polar; Column length: 2 m; Column type: Packed; Start T: 200 C; CAS no: 99990; Active phase: Carbowax 20M; Carrier gas: He; Substrate: Silanized white support; Data type: Kovats RI; Authors: Vernon, F.; Suratman, J.B., The retention index system applied to alkylbenzenes and monosubstituted derivatives, Chromatographia, 17(11), 1983, 600-604.) NIST Spectra nist ri
    • Retention Index (Lee):

      205.47 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 40 C; End T: 310 C; Start time: 1 min; CAS no: 99990; Active phase: DB-5MS; Phase thickness: 0.5 um; Data type: Lee RI; Authors: Chen, P.H.; Keeran, W.S.; Van Ausdale, W.A.; Schindler, D.R.; Roberts, D.W., Application of Lee retention indices to the confirmation of tentatively identified compounds from GC/MS analysis of environmental samples, Technical paper, Analytical Services Division, Environmental Science&Engineering, Inc, PO Box 1703, Gainesville, FL 32602, 2002, 11.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      1167 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 15 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 35 C; End T: 185 C; End time: 15 min; CAS no: 99990; Active phase: ZB-1; Carrier gas: Helium; Phase thickness: 0.10 um; Data type: Normal alkane RI; Authors: Harvey, S.D.; Wenzel, T.J., Selective retention of explosives and related compounds on gas-chromatographic capillary columns coated with lanthanide(III) beta-diketonate polymers, J. Chromatogr. A, 1216, 2009, 6417-6423.) NIST Spectra nist ri
      1170 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 15 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 35 C; End T: 185 C; End time: 15 min; CAS no: 99990; Active phase: ZB-1; Carrier gas: Helium; Phase thickness: 0.10 um; Data type: Normal alkane RI; Authors: Harvey, S.D.; Wenzel, T.J., Selective retention of explosives and related compounds on gas-chromatographic capillary columns coated with lanthanide(III) beta-diketonate polymers, J. Chromatogr. A, 1216, 2009, 6417-6423.) NIST Spectra nist ri
      1195 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 15 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 35 C; End T: 185 C; End time: 15 min; CAS no: 99990; Active phase: ZB-1; Carrier gas: Helium; Phase thickness: 0.10 um; Data type: Normal alkane RI; Authors: Harvey, S.D.; Wenzel, T.J., Selective retention of explosives and related compounds on gas-chromatographic capillary columns coated with lanthanide(III) beta-diketonate polymers, J. Chromatogr. A, 1216, 2009, 6417-6423.) NIST Spectra nist ri
      1212 (Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.53 mm; Column length: 30 m; Column type: Capillary; Description: 1 min at 120 0C; 120 – 200 0C at 3 deg/min; 200 0C for 2 min; 200 – 250 0C at 8 deg/min; 250 0C for 4 min; CAS no: 99990; Active phase: DB-5; Carrier gas: He; Phase thickness: 1.5 um; Data type: Normal alkane RI; Authors: Lopez-Avila, V.; Benedicto, J.; Baldin, E.; Beckert, W.F., Analysis of classes of compound of environmental concern: I. Nitroaromatic compounds, J. Hi. Res. Chromatogr., 14, 1991, 601-607., Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.53 mm; Column length: 30 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 40 C; End T: 260 C; Start time: 5 min; CAS no: 99990; Active phase: DB-1; Carrier gas: He; Phase thickness: 3 um; Data type: Normal alkane RI; Authors: J&W Scientific, Solvent Retention Data, 2003.) NIST Spectra nist ri
      1199.3 (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: 99990; 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
      1923.4 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.53 mm; Column length: 30 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 40 C; End T: 230 C; Start time: 7 min; CAS no: 99990; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: J&W Scientific, Solvent Retention Data, 2003.) 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: 238.0±0.0 °C at 760 mmHg
Vapour Pressure: 0.1±0.4 mmHg at 25°C
Enthalpy of Vaporization: 45.6±3.0 kJ/mol
Flash Point: 106.1±0.0 °C
Index of Refraction: 1.553
Molar Refractivity: 37.6±0.3 cm3
#H bond acceptors: 3
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 2.41
ACD/LogD (pH 5.5): 2.45
ACD/BCF (pH 5.5): 42.53
ACD/KOC (pH 5.5): 509.89
ACD/LogD (pH 7.4): 2.45
ACD/BCF (pH 7.4): 42.53
ACD/KOC (pH 7.4): 509.89
Polar Surface Area: 46 Å2
Polarizability: 14.9±0.5 10-24cm3
Surface Tension: 42.7±3.0 dyne/cm
Molar Volume: 117.6±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) = 2.36
 Log Kow (Exper. database match) = 2.37
 Exper. Ref: Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 225.86 (Adapted Stein & Brown method)
 Melting Pt (deg C): 38.16 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.0275 (Modified Grain method)
 MP (exp database): 51.6 deg C
 BP (exp database): 238.3 deg C
 VP (exp database): 1.57E-02 mm Hg at 25 deg C
 Subcooled liquid VP: 0.0288 mm Hg (25 deg C, exp database VP )

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 331.7
 log Kow used: 2.37 (expkow database)
 no-melting pt equation used
 Water Sol (Exper. database match) = 442 mg/L (30 deg C)
 Exper. Ref: GROSS,PM ET AL (1933)

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 281.99 mg/L
 Wat Sol (Exper. database match) = 442.00
 Exper. Ref: GROSS,PM ET AL (1933)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 2.35E-005 atm-m3/mole
 Group Method: 4.77E-005 atm-m3/mole
 Exper Database: 5.63E-06 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 1.496E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 2.37 (exp database)
 Log Kaw used: -3.638 (exp database)
 Log Koa (KOAWIN v1.10 estimate): 6.008
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.4319
 Biowin2 (Non-Linear Model) : 0.2952
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.6517 (weeks-months)
 Biowin4 (Primary Survey Model) : 3.4730 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.1909
 Biowin6 (MITI Non-Linear Model): 0.0453
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): -0.1315
 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): 3.84 Pa (0.0288 mm Hg)
 Log Koa (Koawin est ): 6.008
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 7.81E-007 
 Octanol/air (Koa) model: 2.5E-007 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 2.82E-005 
 Mackay model : 6.25E-005 
 Octanol/air (Koa) model: 2E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 0.7722 E-12 cm3/molecule-sec
 Half-Life = 13.852 Days (12-hr day; 1.5E6 OH/cm3)
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 4.54E-005 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 309
 Log Koc: 2.490 

 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 = 1.125 (BCF = 13.33)
 log Kow used: 2.37 (expkow database)

 Volatilization from Water:
 Henry LC: 5.63E-006 atm-m3/mole (Henry experimental database)
 Half-Life from Model River: 123 hours (5.124 days)
 Half-Life from Model Lake : 1440 hours (59.99 days)

 Removal In Wastewater Treatment:
 Total removal: 3.08 percent
 Total biodegradation: 0.10 percent
 Total sludge adsorption: 2.67 percent
 Total to Air: 0.31 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 2.99 332 1000 
 Water 24.2 900 1000 
 Soil 72.7 1.8e+003 1000 
 Sediment 0.158 8.1e+003 0 
 Persistence Time: 936 hr




 

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