ChemSpider 2D Image | 3-Bromo-2-methylpropanoic acid | C4H7BrO2

3-Bromo-2-methylpropanoic acid

  • Molecular FormulaC4H7BrO2
  • Average mass167.001 Da
  • Monoisotopic mass165.962936 Da
  • ChemSpider ID269539

More details:

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

3-Brom-2-methylpropansäure [German] [ACD/IUPAC Name]
3-Bromo-2-methylpropanoic acid [ACD/IUPAC Name]
3-BROMO-2-METHYLPROPIONIC ACID
56970-78-6 [RN]
Acide 3-bromo-2-méthylpropanoïque [French] [ACD/IUPAC Name]
Propanoic acid, 3-bromo-2-methyl- [ACD/Index Name]
(2RS)-3-Bromo-2-methyl-propanoic Acid
[56970-78-6] [RN]
3-bromo-2-methyl propionic acid
3-bromo-2-methyl-propanoic acid
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

07304AI75I [DBID]
UNII:07304AI75I [DBID]
NSC201472 [DBID]

    Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

    Density: 1.6±0.1 g/cm3
    Boiling Point: 230.5±23.0 °C at 760 mmHg
    Vapour Pressure: 0.0±1.0 mmHg at 25°C
    Enthalpy of Vaporization: 51.5±6.0 kJ/mol
    Flash Point: 93.2±22.6 °C
    Index of Refraction: 1.493
    Molar Refractivity: 29.8±0.3 cm3
    #H bond acceptors: 2
    #H bond donors: 1
    #Freely Rotating Bonds: 2
    #Rule of 5 Violations: 0
    ACD/LogP: 1.04
    ACD/LogD (pH 5.5): -0.15
    ACD/BCF (pH 5.5): 1.00
    ACD/KOC (pH 5.5): 4.40
    ACD/LogD (pH 7.4): -1.90
    ACD/BCF (pH 7.4): 1.00
    ACD/KOC (pH 7.4): 1.00
    Polar Surface Area: 37 Å2
    Polarizability: 11.8±0.5 10-24cm3
    Surface Tension: 42.7±3.0 dyne/cm
    Molar Volume: 102.7±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) =  1.34

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  220.07  (Adapted Stein & Brown method)
    Melting Pt (deg C):  32.25  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.105  (Modified Grain method)
    Subcooled liquid VP: 0.122 mm Hg (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1.134e+004
       log Kow used: 1.34 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  49783 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.11E-007  atm-m3/mole
   Group Method:   1.73E-008  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  2.035E-006 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.34  (KowWin est)
  Log Kaw used:  -5.343  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  6.683
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6946
   Biowin2 (Non-Linear Model)     :   0.0406
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.2237  (weeks       )
   Biowin4 (Primary Survey Model) :   4.0277  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4924
   Biowin6 (MITI Non-Linear Model):   0.2030
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  1.1625
 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):  16.3 Pa (0.122 mm Hg)
  Log Koa (Koawin est  ): 6.683
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.84E-007 
       Octanol/air (Koa) model:  1.18E-006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  6.66E-006 
       Mackay model           :  1.48E-005 
       Octanol/air (Koa) model:  9.46E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   1.6782 E-12 cm3/molecule-sec
      Half-Life =     6.373 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    76.480 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 1.07E-005 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  3.661
      Log Koc:  0.564 

 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: 1.34 (estimated)

 Volatilization from Water:
    Henry LC:  1.73E-008 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River: 4.374E+004  hours   (1822 days)
    Half-Life from Model Lake : 4.772E+005  hours   (1.988E+004 days)

 Removal In Wastewater Treatment:
    Total removal:               1.94  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.84  percent
    Total to Air:                0.00  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.351           153          1000       
   Water     31.6            360          1000       
   Soil      68              720          1000       
   Sediment  0.0698          3.24e+003    0          
     Persistence Time: 614 hr

    Click to predict properties on the Chemicalize site


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