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ChemSpider 2D Image | Isobutyl methacrylate | C8H14O2

Isobutyl methacrylate

  • Molecular FormulaC8H14O2
  • Average mass142.196 Da
  • Monoisotopic mass142.099380 Da
  • ChemSpider ID7074

More details:






Validated by Experts, Validated by Users, Non-Validated, Removed by Users

Isobutyl methacrylate [ACD/IUPAC Name]
1069-55-2 [RN]
202-613-0 [EINECS]
213-958-1 [EINECS]
2755
2HJV1F859Z
2-methyl-2-propenoic acid 2-methyl ester
2-methylpropyl 2-methylpropenoate
2-Methylpropyl methacrylate
More...

Validated by Experts, Validated by Users, Non-Validated, Removed by Users

169919_ALDRICH [DBID]
181544_ALDRICH [DBID]
181552_ALDRICH [DBID]
445754_ALDRICH [DBID]
445762_ALDRICH [DBID]
64190_FLUKA [DBID]
BRN 1747595 [DBID]
CCRIS 4829 [DBID]
HSDB 5312 [DBID]
NCGC00091087-01 [DBID]
More...
  • Experimental Physico-chemical Properties
  • Miscellaneous
    • Appearance:

      colourless liquid OU Chemical Safety Data (No longer updated) More details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

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 OU Chemical Safety Data (No longer updated) More details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

      ORL-RAT LD50 6400 mg kg-1, IPR-MUS LD50 1340 mg kg-1 OU Chemical Safety Data (No longer updated) More details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. OU Chemical Safety Data (No longer updated) More details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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