ChemSpider 2D Image | 1,1,1-Trimethoxy-2-methylpropane | C7H16O3

1,1,1-Trimethoxy-2-methylpropane

  • Molecular FormulaC7H16O3
  • Average mass148.200 Da
  • Monoisotopic mass148.109940 Da
  • ChemSpider ID36999

More details:






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

1,1,1-Trimethoxy-2-methylpropan [German] [ACD/IUPAC Name]
1,1,1-Trimethoxy-2-methylpropane [ACD/IUPAC Name]
1,1,1-Triméthoxy-2-méthylpropane [French] [ACD/IUPAC Name]
1Y1&XO1&O1&O1 [WLN]
52698-46-1 [RN]
Propane, 1,1,1-trimethoxy-2-methyl- [ACD/Index Name]
Trimethyl orthoisobutyrate
[52698-46-1]
1,1,1-trimethoxy-2-methyl-propane
MFCD08276428
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Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

Density: 0.9±0.1 g/cm3
Boiling Point: 124.8±20.0 °C at 760 mmHg
Vapour Pressure: 15.1±0.2 mmHg at 25°C
Enthalpy of Vaporization: 34.8±3.0 kJ/mol
Flash Point: 34.5±17.3 °C
Index of Refraction: 1.400
Molar Refractivity: 39.6±0.3 cm3
#H bond acceptors: 3
#H bond donors: 0
#Freely Rotating Bonds: 4
#Rule of 5 Violations: 0
ACD/LogP: 1.78
ACD/LogD (pH 5.5): 1.37
ACD/BCF (pH 5.5): 6.49
ACD/KOC (pH 5.5): 132.76
ACD/LogD (pH 7.4): 1.37
ACD/BCF (pH 7.4): 6.49
ACD/KOC (pH 7.4): 132.76
Polar Surface Area: 28 Å2
Polarizability: 15.7±0.5 10-24cm3
Surface Tension: 24.0±3.0 dyne/cm
Molar Volume: 163.6±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) =  2.04

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  131.72  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -43.57  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  11.4  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1398
       log Kow used: 2.04 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  6616.5 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.39E-006  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.590E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.04  (KowWin est)
  Log Kaw used:  -4.245  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  6.285
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.5490
   Biowin2 (Non-Linear Model)     :   0.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6335  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4513  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2946
   Biowin6 (MITI Non-Linear Model):   0.1574
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.8336
 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):  1.41E+003 Pa (10.6 mm Hg)
  Log Koa (Koawin est  ): 6.285
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.12E-009 
       Octanol/air (Koa) model:  4.73E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  7.67E-008 
       Mackay model           :  1.7E-007 
       Octanol/air (Koa) model:  3.79E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   9.6134 E-12 cm3/molecule-sec
      Half-Life =     1.113 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    13.351 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 1.23E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  10
      Log Koc:  1.000 

 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 = 0.871 (BCF = 7.429)
       log Kow used: 2.04 (estimated)

 Volatilization from Water:
    Henry LC:  1.39E-006 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:        514  hours   (21.42 days)
    Half-Life from Model Lake :       5709  hours   (237.9 days)

 Removal In Wastewater Treatment:
    Total removal:               2.36  percent
    Total biodegradation:        0.10  percent
    Total sludge adsorption:     2.19  percent
    Total to Air:                0.08  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       1.12            26.7         1000       
   Water     29.7            900          1000       
   Soil      69              1.8e+003     1000       
   Sediment  0.12            8.1e+003     0          
     Persistence Time: 837 hr




                    

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