Isobutyl methacrylate C8H14O2 structure – Flashcards

Flashcard maker : Steven Ramirez

Molecular Formula C8H14O2
Average mass 142.196 Da
Density 0.9±0.1 g/cm3
Boiling Point 155.0±0.0 °C at 760 mmHg
Flash Point 41.7±0.0 °C
Molar Refractivity 40.4±0.3 cm3
Polarizability 16.0±0.5 10-24cm3
Surface Tension 25.4±3.0 dyne/cm
Molar Volume 159.3±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Predicted – Mcule
  • Experimental Physico-chemical Properties
    • Experimental Boiling Point:

      155 °C Alfa Aesar
      155 °C Oxford University Chemical Safety Data (No longer updated) More details
      155 °C Alfa Aesar 41948
    • Experimental LogP:

      2.756 Vitas-M STK801852
    • Experimental Flash Point:

      49 °C Oxford University Chemical Safety Data (No longer updated) More details
      46 °C Alfa Aesar
      46 °F (7.7778 °C)
      Alfa Aesar 41948
    • Experimental Gravity:

      0.889 g/mL Alfa Aesar 41948
  • Miscellaneous
    • Appearance:

      colourless liquid Oxford University Chemical Safety Data (No longer updated) More details
    • Stability:

      Light, heat and air sensitive. Polymerizes readily. Combustible. Incompatible with strongoxidizing agents. Oxford University Chemical Safety Data (No longer updated) More details
    • Toxicity:

      ORL-RAT LD50 6400 mg kg-1, IPR-MUS LD50 1340 mg kg-1 Oxford University Chemical Safety Data (No longer updated) More details
    • Safety:

      10-36/37/38-43-50 Alfa Aesar 41948
      24-37-61 Alfa Aesar 41948
      3 Alfa Aesar 41948
      DANGER: FLAMMABLE, causes CNS effects, irritates skin & eyes Alfa Aesar 41948
      H226-H400-H315-H319-H317-H335 Alfa Aesar 41948
      P210-P261-P303+P361+P353-P305+P351+P338-P405-P501a Alfa Aesar 41948
      Safety glasses, adequate ventilation. Oxford University Chemical Safety Data (No longer updated) More details
      Warning Alfa Aesar 41948
  • Gas Chromatography
    • Retention Index (Kovats):

      887 (estimated with error: 47) NIST Spectra mainlib_291356, replib_229262
      925 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.28 mm; Column length: 19 m; Column type: Capillary; Start T: 120 C; CAS no: 97869; Active phase: OV-101; Carrier gas: N2; Data type: Kovats RI; Authors: Horna, A.; Taborsky, J.; Dufka, O.; Matousek, P.; Churacek, J., Chromatography of monomers. II. Glass capillary gas chromatography of C1-C18 alkyl esters of acrylic and methacrylic acids, J. Chromatogr., 325, 1985, 367-378.) NIST Spectra nist ri
      928 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column diameter: 0.28 mm; Column length: 19 m; Column type: Capillary; Start T: 80 C; CAS no: 97869; Active phase: OV-101; Carrier gas: N2; Data type: Kovats RI; Authors: Horna, A.; Taborsky, J.; Dufka, O.; Matousek, P.; Churacek, J., Chromatography of monomers. II. Glass capillary gas chromatography of C1-C18 alkyl esters of acrylic and methacrylic acids, J. Chromatogr., 325, 1985, 367-378., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 12 ft; Column type: Packed; Start T: 150 C; CAS no: 97869; Active phase: SE-30; Substrate: Celite 560; Data type: Kovats RI; Authors: Germaine, R.W.; Haken, J.K., Gas chromatography of homologous esters. Part 2. Unsaturated esters, J. Chromatogr., 43, 1969, 43-47., Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column type: Packed; Start T: 150 C; CAS no: 97869; Active phase: OV-1; Data type: Kovats RI; Authors: Ashes, J.R.; Haken, J.K., Gas chromatography of homologous esters. Part V. Retention of aliphatic esters on non-polar, donar and acceptor stationary phases, J. Chromatogr., 60, 1971, 33-44.) NIST Spectra nist ri
      923 (Program type: Isothermal; Col… (show more) umn class: Standard non-polar; Column length: 12 ft; Column type: Packed; Start T: 150 C; CAS no: 97869; Active phase: SE-30; Carrier gas: He; Substrate: Celatom silanized (62-72 mesh); Data type: Kovats RI; Authors: Ashes, J.R.; Haken, J.K., Gas chromatography of homologous esters. IX. Structure-retention increments of unsaturated esters, J. Chromatogr., 111, 1975, 171-187.) NIST Spectra nist ri
      1162 (Program type: Isothermal; Col… (show more) umn class: Standard polar; Column diameter: 0.23 mm; Column length: 46 m; Column type: Capillary; Start T: 80 C; CAS no: 97869; Active phase: SP-1000; Carrier gas: N2; Data type: Kovats RI; Authors: Horna, A.; Taborsky, J.; Dufka, O.; Matousek, P.; Churacek, J., Chromatography of monomers. II. Glass capillary gas chromatography of C1-C18 alkyl esters of acrylic and methacrylic acids, J. Chromatogr., 325, 1985, 367-378.) NIST Spectra nist ri
      1173 (Program type: Isothermal; Col… (show more) umn class: Standard polar; Column diameter: 0.23 mm; Column length: 46 m; Column type: Capillary; Start T: 120 C; CAS no: 97869; Active phase: SP-1000; Carrier gas: N2; Data type: Kovats RI; Authors: Horna, A.; Taborsky, J.; Dufka, O.; Matousek, P.; Churacek, J., Chromatography of monomers. II. Glass capillary gas chromatography of C1-C18 alkyl esters of acrylic and methacrylic acids, J. Chromatogr., 325, 1985, 367-378.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      926 (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: 45 C; End T: 230 C; CAS no: 97869; Active phase: ZB-1; Carrier gas: N2; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Mierendorff, H.-G.; Stahl-Biskup, E.; Posthumus, M.A.; van Beek, T.A., Composition of commercial Cape chamomile oil (Eriocephalus punctulatus), Flavour Fragr. J., 18, 2003, 510-514., 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: 45 C; End T: 230 C; CAS no: 97869; Active phase: ZB-1; Carrier gas: Nitrogen; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Mierendorff, H.-G.; Stahl-Biskup, E.; Posthumus, M.A.; van Beek, T.A., Composition of commercial Cape chamomile oil (Eriocephalus punctuatus / Eriocephalus tenuifolius), 2008.) NIST Spectra nist ri
      929.4 (Program type: Complex; Column… (show more) class: Standard non-polar; Column diameter: 0.33 mm; Column length: 25 m; Column type: Capillary; Description: 50 0C (10 min) ^ 5 0C/min -> 150 0C ^ 40 0C/min -> 250 0C (10 min); CAS no: 97869; Active phase: BP-1; Carrier gas: He; Phase thickness: 1.0 um; Data type: Normal alkane RI; Authors: Raynor, M.W.; Waring, R.M.; Davies, I.L., The Analysis of Thermosetting Acrylic Polymers by Pyrolysis Capillary Gas Chromatography, J. Chromatogr. Sci., 25, 1987, 104-111.) NIST Spectra nist ri
      960 (Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 45C =>1C/min =>100C=> 5C/min =>250C (10min); CAS no: 97869; Active phase: SE-52; Carrier gas: He; Phase thickness: 0.15 um; Data type: Normal alkane RI; Authors: Tognolini, M.; Barocelli, E.; Ballabeni, V.; Bruni, R.; Bianchi, A.; Chiavarini, M.; Impicciatore, M., Comparative screening of plant essential oils: Phenylpropanoid moiety as basic core for antiplatelet activity, Life Sciences, 78, 2006, 1419-1432.) NIST Spectra nist ri

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

Density: 0.9±0.1 g/cm3
Boiling Point: 155.0±0.0 °C at 760 mmHg
Vapour Pressure: 3.1±0.2 mmHg at 25°C
Enthalpy of Vaporization: 39.2±3.0 kJ/mol
Flash Point: 41.7±0.0 °C
Index of Refraction: 1.421
Molar Refractivity: 40.4±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 4
#Rule of 5 Violations: 0
ACD/LogP: 2.76
ACD/LogD (pH 5.5): 2.57
ACD/BCF (pH 5.5): 53.15
ACD/KOC (pH 5.5): 598.06
ACD/LogD (pH 7.4): 2.57
ACD/BCF (pH 7.4): 53.15
ACD/KOC (pH 7.4): 598.06
Polar Surface Area: 26 Å2
Polarizability: 16.0±0.5 10-24cm3
Surface Tension: 25.4±3.0 dyne/cm
Molar Volume: 159.3±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) = 2.67
 Log Kow (Exper. database match) = 2.66
 Exper. Ref: Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 149.47 (Adapted Stein & Brown method)
 Melting Pt (deg C): -54.01 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 3.18 (Mean VP of Antoine & Grain methods)
 BP (exp database): 155 deg C
 VP (exp database): 3.63E+00 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 438.6
 log Kow used: 2.66 (expkow database)
 no-melting pt equation used
 Water Sol (Exper. database match) = 1300 mg/L (25 deg C)
 Exper. Ref: ULLMANN A21:159

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 1273.6 mg/L
 Wat Sol (Exper. database match) = 1300.00
 Exper. Ref: ULLMANN A21:159

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 3.39E-004 atm-m3/mole
 Group Method: 9.52E-004 atm-m3/mole
 Exper Database: 5.23E-04 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 1.357E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 2.66 (exp database)
 Log Kaw used: -1.670 (exp database)
 Log Koa (KOAWIN v1.10 estimate): 4.330
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.8540
 Biowin2 (Non-Linear Model) : 0.9938
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 3.0251 (weeks )
 Biowin4 (Primary Survey Model) : 3.8715 (days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.6452
 Biowin6 (MITI Non-Linear Model): 0.7878
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.4823
 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): 484 Pa (3.63 mm Hg)
 Log Koa (Koawin est ): 4.330
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 6.2E-009 
 Octanol/air (Koa) model: 5.25E-009 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 2.24E-007 
 Mackay model : 4.96E-007 
 Octanol/air (Koa) model: 4.2E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 22.6849 E-12 cm3/molecule-sec
 Half-Life = 0.472 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 5.658 Hrs
 Ozone Reaction:
 OVERALL Ozone Rate Constant = 1.137500 E-17 cm3/molecule-sec
 Half-Life = 1.007 Days (at 7E11 mol/cm3)
 Half-Life = 24.179 Hrs
 Fraction sorbed to airborne particulates (phi): 3.6E-007 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 53.31
 Log Koc: 1.727 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
 Total Kb for pH > 8 at 25 deg C : 1.752E-003 L/mol-sec
 Kb Half-Life at pH 8: 12.537 years 
 Kb Half-Life at pH 7: 125.369 years 

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
 Log BCF from regression-based method = 1.348 (BCF = 22.29)
 log Kow used: 2.66 (expkow database)

 Volatilization from Water:
 Henry LC: 0.000523 atm-m3/mole (Henry experimental database)
 Half-Life from Model River: 2.552 hours
 Half-Life from Model Lake : 127.8 hours (5.326 days)

 Removal In Wastewater Treatment:
 Total removal: 21.52 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 3.11 percent
 Total to Air: 18.32 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 1.83 7.71 1000 
 Water 24.3 360 1000 
 Soil 73.7 720 1000 
 Sediment 0.22 3.24e+003 0 
 Persistence Time: 308 hr




 

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