ChemSpider 2D Image | Methyl hypobromite | CH3BrO

Methyl hypobromite

  • Molecular FormulaCH3BrO
  • Average mass110.938 Da
  • Monoisotopic mass109.936722 Da
  • ChemSpider ID13562986

More details:

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

Hypobromite de méthyle [French] [ACD/IUPAC Name]
Hypobromous acid, methyl ester [ACD/Index Name]
Methyl hypobromite [ACD/IUPAC Name]
Methylhypobromit [German] [ACD/IUPAC Name]

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

Density: 1.7±0.1 g/cm3
Boiling Point: 10.5±23.0 °C at 760 mmHg
Vapour Pressure: 1265.3±0.0 mmHg at 25°C
Enthalpy of Vaporization: 24.8±3.0 kJ/mol
Flash Point: -8.1±21.1 °C
Index of Refraction: 1.415
Molar Refractivity: 16.2±0.3 cm3
#H bond acceptors: 1
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 1.46
ACD/LogD (pH 5.5): 0.74
ACD/BCF (pH 5.5): 2.14
ACD/KOC (pH 5.5): 59.94
ACD/LogD (pH 7.4): 0.74
ACD/BCF (pH 7.4): 2.14
ACD/KOC (pH 7.4): 59.94
Polar Surface Area: 9 Å2
Polarizability: 6.4±0.5 10-24cm3
Surface Tension: 24.5±3.0 dyne/cm
Molar Volume: 64.6±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) =  -0.08

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  53.27  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -86.33  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  271  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1.266e+005
       log Kow used: -0.08 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  4.7731e+005 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   Incomplete
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.125E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Can Not Estimate (can not calculate HenryLC)

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6947
   Biowin2 (Non-Linear Model)     :   0.8074
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9540  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6877  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3825
   Biowin6 (MITI Non-Linear Model):   0.3413
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.7565
 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):  3.57E+004 Pa (268 mm Hg)
  Log Koa (): not available
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  8.4E-011 
       Octanol/air (Koa) model:  not available
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  3.03E-009 
       Mackay model           :  6.72E-009 
       Octanol/air (Koa) model:  not available

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.8296 E-12 cm3/molecule-sec
      Half-Life =    12.893 Days (12-hr day; 1.5E6 OH/cm3)
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 4.87E-009 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  23.74
      Log Koc:  1.376 

 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: -0.08 (estimated)

 Volatilization from Water:
    Henry LC:  0.000312 atm-m3/mole  (calculated from VP/WS)
    Half-Life from Model River:      3.048  hours
    Half-Life from Model Lake :      121.6  hours   (5.066 days)

 Removal In Wastewater Treatment:
    Total removal:              14.27  percent
    Total biodegradation:        0.08  percent
    Total sludge adsorption:     1.57  percent
    Total to Air:               12.62  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       27.7            309          1000       
   Water     44.7            360          1000       
   Soil      27.5            720          1000       
   Sediment  0.0824          3.24e+003    0          
     Persistence Time: 202 hr

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