ChemSpider 2D Image | Methyl tert-butyl ether | C5H12O

Methyl tert-butyl ether

  • Molecular FormulaC5H12O
  • Average mass88.148 Da
  • Monoisotopic mass88.088814 Da
  • ChemSpider ID14672

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Methyl tert-butyl ether [Wiki]
(CH3)3COCH3 [Formula]
1634-04-4 [RN]
216-653-1 [EINECS]
2-Methoxy-2-methylpropan [German] [ACD/IUPAC Name]
2-Methoxy-2-methylpropane [ACD/IUPAC Name]
2-Méthoxy-2-méthylpropane [French] [ACD/IUPAC Name]
Ether, tert-butyl methyl
Methyl tert-butyl ether
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

08603_FLUKA [DBID]
179787_ALDRICH [DBID]
20249_FLUKA [DBID]
20256_FLUKA [DBID]
20257_FLUKA [DBID]
295868_SIAL [DBID]
306975_ALDRICH [DBID]
34498_RIEDEL [DBID]
34875_SIAL [DBID]
443808_SIAL [DBID]
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  • Experimental Physico-chemical Properties
  • Miscellaneous
  • Gas Chromatography
    • Retention Index (Kovats):

      510 (estimated with error: 68) NIST Spectra mainlib_229277, replib_157951, replib_34338
      570.12 (Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.2 mm; Column length: 100 m; Column type: Capillary; Description: 5C(10min)=>5C/min=>50C(48min)=>1.5C/min=>195C(91min); CAS no: 1634044; Active phase: Petrocol DH-100; Carrier gas: He; Data type: Kovats RI; Authors: Haagen-Smit Laboratory, Procedure for the detailed hydrocarbon analysis of gasolines by single column high efficiency (capillary) column gas chromatography, SOP NO. MLD 118, Revision No. 1.1, California Environmental Protection Agency, Air Resources Board, El Monte, California, 1997, 22.) NIST Spectra nist ri
      562.7 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Start T: 90 C; CAS no: 1634044; Active phase: Methyl Silicone; Data type: Kovats RI; Authors: Boneva, S.; Toromanova-Petrova, P., Capillary gas chromatography of C1-C4 alkyl tert-butyl ethers, Chromatographia, 39(3/4), 1994, 224-227.) NIST Spectra nist ri
      563.7 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Start T: 100 C; CAS no: 1634044; Active phase: Methyl Silicone; Data type: Kovats RI; Authors: Boneva, S.; Toromanova-Petrova, P., Capillary gas chromatography of C1-C4 alkyl tert-butyl ethers, Chromatographia, 39(3/4), 1994, 224-227.) NIST Spectra nist ri
      568 (Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Description: -40 C for 12 min; -40 - 125 C at 3 deg.min; 125-185 C at 6 deg/min; 185 - 220 C at 20 deg/min; hold 220 C for 2 min; CAS no: 1634044; Active phase: DB-1; Carrier gas: He; Phase thickness: 1.0 um; Data type: Kovats RI; Authors: Hoekman, S.K., Improved gas chromatography procedure for speciated hydrocarbon measurements of vehicle emissions, J. Chromatogr., 639, 1993, 239-253.) NIST Spectra nist ri
      562 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column length: 2 m; Column type: Packed; Start T: 100 C; CAS no: 1634044; Active phase: SE-30; Substrate: Gaschrom Q; Data type: Kovats RI; Authors: Winskowski, J., Gaschromatographische Identifizierung von Stoffen anhand von Indexziffem und unterschiedlichen Detektoren, Chromatographia, 17(3), 1983, 160-165.) NIST Spectra nist ri
      544 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column type: Packed; Start T: 120 C; CAS no: 1634044; Active phase: Apiezon L; Substrate: Celite 545; Data type: Kovats RI; Authors: Bogoslovsky, Yu.N.; Anvaer, B.I.; Vigdergauz, M.S., Chromatographic constants in gas chromatography (in Russian), Standards Publ. House, Moscow, 1978, 192.) NIST Spectra nist ri
      549 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column type: Packed; Start T: 160 C; CAS no: 1634044; Active phase: Apiezon L; Substrate: Celite 545; Data type: Kovats RI; Authors: Bogoslovsky, Yu.N.; Anvaer, B.I.; Vigdergauz, M.S., Chromatographic constants in gas chromatography (in Russian), Standards Publ. House, Moscow, 1978, 192.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      563 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 1634044; Active phase: SE-30; Data type: Normal alkane RI; Authors: Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004.) NIST Spectra nist ri
      568.3 (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: 1634044; 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
      556 (Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.1 mm; Column length: 20 m; Column type: Capillary; Description: 40C(0.4min) =>10C/min=> 110C=>20C/min =>260C (1min); CAS no: 1634044; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.4 um; Data type: Normal alkane RI; Authors: LECO Corporation, Rapid qualitative GC/TOFMS analysis of unleaded gasoline, 2003., Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 40C (4min) =>10C/min => 200C => 50C/min => 250C; CAS no: 1634044; Active phase: DB-1; Carrier gas: He; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: Schuberth, J., Joint use of retention index and mass spectrum in postmortem tests for volatile organics by headspace capillary gas chromatography with ion-trap detection, J. Chromatogr. A, 674, 1994, 63-71., Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Description: 3 min at 5 C; 5 - 50 C at 3 deg/min; 50 - 220 C at 5 deg/min; CAS no: 1634044; Active phase: DB-1; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Ciccioli, P.; Brancaleoni, E.; Cecinato, A.; Sparapani, R.; Frattoni, M., Identification and determination of biogenic and anthropogenic volatile organic compounds in forest areas of Northern and Southern Europe and a remote site of the Himalaya region by high-resolution gas chromatography-mass spectrometry, J. Chromatogr., 643, 1993, 55-69., Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; CAS no: 1634044; Active phase: DB-1; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Ciccioli, P.; Cecinato, A.; Brancaleoni, E.; Brachetti, A.; Frattoni, M.; Sparapani, R., Composition and Distribution of Polar and Non-Polar VOCs in Urban, Rural, Forest and Remote Areas, Eur Commission EUR, , 1994, 549-568.) NIST Spectra nist ri
      570 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column length: 100 m; Column type: Capillary; CAS no: 1634044; Active phase: PONA; Phase thickness: 0.50 um; Data type: Normal alkane RI; Authors: Perkin Elmer Instruments, Detailed hydrocarbon analysis (DHAX) Model 4015, 2002.) NIST Spectra nist ri
      554 (Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: 35C(4min) =>4C/min =>130C =>25C/min =>200C(5min); CAS no: 1634044; Active phase: CP Sil 5 CB; Carrier gas: He; Phase thickness: 1.2 um; Data type: Normal alkane RI; Authors: Miermans, C.J.H.; van der Velde, L.E.; Frintrop, P.C.M., Analysis of volatile organic compounds, using the purge and trap injector coupled to a gas chromatograph/ion-trap mass spectrometer: Review of the results in Dutch surface water of the Rhine, Meuse, Northern Delta Area and Westerscheldt, over the period 1992-1997, Chemosphere, 40, 2000, 39-48.) NIST Spectra nist ri
      556.1 (Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.25 mm; Column length: 100 m; Column type: Capillary; Description: 35 0C (13 min) ^ 10 0C/min -> 45 0C (15 min) ^ 1 0C/min -> 60 0C (15 min) ^ 1.9 0C/min -> 200 0C; CAS no: 1634044; Active phase: RTX-1 PONA; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Restek, Restek International, 1999 Product Guide, 1(1), 1999, 578-591, In original 578-591.) NIST Spectra nist ri
      561.3 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.53 mm; Column type: Capillary; Heat rate: 4 K/min; Start T: 35 C; End T: 220 C; End time: 2 min; Start time: 10 min; CAS no: 1634044; Active phase: RTX-1; Carrier gas: He; Phase thickness: 3 um; Data type: Normal alkane RI; Authors: Restek, Restek International, 1999 Product Guide, 1(1), 1999, 578-591, In original 578-591.) NIST Spectra nist ri
      560 (Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.53 mm; Column length: 60 m; Column type: Capillary; Description: 40C(6min)=>5C/min=>80C=>10C/min=>200C; CAS no: 1634044; Active phase: SPB-1; Carrier gas: He; Phase thickness: 5 um; Data type: Normal alkane RI; Authors: Flanagan, R.J.; Streete, P.J.; Ramsey, J.D., Volatile Substance Abuse, UNODC Technical Series, No 5, United Nations, Office on Drugs and Crime, Vienna International Centre, PO Box 500, A-1400 Vienna, Austria, 1997, 56.) NIST Spectra nist ri
      558 (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: 3 K/min; Start T: 30 C; End T: 240 C; Start time: 10 min; CAS no: 1634044; Active phase: DB-1; Carrier gas: He; Phase thickness: 1.2 um; Data type: Normal alkane RI; Authors: Ciccioli, P.; Cecinato, A.; Brancaleoni, E.; Frattoni, M.; Liberti, A., Use of carbon adsorption traps combined with high resolution gas chromatography - mass spectrometry for the analysis of polar and non-polar C4-C14 hydrocarbons involved in photochemical smog formation, J. Hi. Res. Chromatogr., 15, 1992, 75-84.) NIST Spectra nist ri
      554.5 (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: 3 K/min; Start T: 40 C; End T: 250 C; Start time: 1 min; CAS no: 1634044; Active phase: DB-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Shoenmakers, P.J.; Oomen, J.L.M.M.; Blomberg, J.; Genuit, W.; van Velzen, G., Comparison of comprehensive two-dimensional gas chromatography and gas chromatography-mass spectrometry for the characterization of complex hydrocarbon mixtures, J. Chromatogr. A, 892, 2000, 29-46.) NIST Spectra nist ri
      609.2 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Heat rate: 15 K/min; Start T: 30 C; End T: 250 C; End time: 5 min; Start time: 2 min; CAS no: 1634044; Active phase: PoraPLOT; Carrier gas: He; Data type: Normal alkane RI; Authors: Ojanpera, I.; Pihlainen, K.; Vuori, E., Identification limits for volatile organic compounds in the blood by purge-and-trap GC/FTIR, J. Anal. Toxicol., 22, 1998, 290-295.) NIST Spectra nist ri
      565.5 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; CAS no: 1634044; Active phase: RTX-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Wentworth, W.E.; Helias, N.; Zlatkis, A.; Chen, E.C.M.; Stearns, S.D., Multiple detector responses for gas chromatography peak identification, J. Chromatogr. A, 795, 1998, 319-347.) NIST Spectra nist ri
      568 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 40 m; Column type: Capillary; Description: 30 0C (1 min) ^ 15 0C/min -> 45 0C ^ 3 0C/min -> 120 0C; CAS no: 1634044; Active phase: CP Sil 8 CB; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Weller, J.-P.; Wolf, M., Massenspektroskopie und Headspace-GC, Beitr. Gerichtl. Med., 47, 1989, 525-532.) NIST Spectra nist ri
      688 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column type: Capillary; CAS no: 1634044; Active phase: Carbowax 20M; Data type: Normal alkane RI; Authors: Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004.) NIST Spectra nist ri
      641.7 (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: 1634044; 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
      691.7 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 40 C; End T: 150 C; Start time: 9 min; CAS no: 1634044; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Sharp, M.-E.E., A comprehensive screen for volatile organic compounds in biological fluids, J. Anal. Toxicol., 25, 2001, 631-636.) NIST Spectra nist ri

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

Density: 0.8±0.1 g/cm3
Boiling Point: 55.2±0.0 °C at 760 mmHg
Vapour Pressure: 251.3±0.1 mmHg at 25°C
Enthalpy of Vaporization: 28.6±3.0 kJ/mol
Flash Point: -10.0±0.0 °C
Index of Refraction: 1.375
Molar Refractivity: 26.9±0.3 cm3
#H bond acceptors: 1
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 1.15
ACD/LogD (pH 5.5): 1.33
ACD/BCF (pH 5.5): 6.07
ACD/KOC (pH 5.5): 126.62
ACD/LogD (pH 7.4): 1.33
ACD/BCF (pH 7.4): 6.07
ACD/KOC (pH 7.4): 126.62
Polar Surface Area: 9 Å2
Polarizability: 10.7±0.5 10-24cm3
Surface Tension: 19.2±3.0 dyne/cm
Molar Volume: 117.5±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) =  1.43
    Log Kow (Exper. database match) =  0.94
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  47.04  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -94.30  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  252  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  -108.6 deg C
    BP  (exp database):  55.2 deg C
    VP  (exp database):  2.50E+02 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1.98e+004
       log Kow used: 0.94 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  5.1e+004 mg/L (25 deg C)
        Exper. Ref:  BENNETT,GM & PHILIP,WG (1928)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  40421 mg/L
    Wat Sol (Exper. database match) =  51000.00
       Exper. Ref:  BENNETT,GM & PHILIP,WG (1928)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.02E-003  atm-m3/mole
   Group Method:   1.44E-003  atm-m3/mole
   Exper Database: 5.87E-04  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.476E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.94  (exp database)
  Log Kaw used:  -1.620  (exp database)
      Log Koa (KOAWIN v1.10 estimate):  2.560
      Log Koa (experimental database):  2.580

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.1743
   Biowin2 (Non-Linear Model)     :   0.0324
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7836  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5574  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5206
   Biowin6 (MITI Non-Linear Model):   0.5867
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.0737
 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):  3.33E+004 Pa (250 mm Hg)
  Log Koa (Exp database): 2.580
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  9E-011 
       Octanol/air (Koa) model:  9.33E-011 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  3.25E-009 
       Mackay model           :  7.2E-009 
       Octanol/air (Koa) model:  7.47E-009 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   2.2576 E-12 cm3/molecule-sec
      Half-Life =     4.738 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    56.853 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 5.23E-009 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  5.258
      Log Koc:  0.721 

 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 = 0.500 (BCF = 3.162)
       log Kow used: 0.94 (expkow database)

 Volatilization from Water:
    Henry LC:  0.000587 atm-m3/mole  (Henry experimental database)
    Half-Life from Model River:      1.895  hours
    Half-Life from Model Lake :      99.39  hours   (4.141 days)

 Removal In Wastewater Treatment:
    Total removal:              21.87  percent
    Total biodegradation:        0.08  percent
    Total sludge adsorption:     1.48  percent
    Total to Air:               20.32  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       25.2            87.3         1000       
   Water     48.4            360          1000       
   Soil      26.3            720          1000       
   Sediment  0.0958          3.24e+003    0          
     Persistence Time: 162 hr




                    

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