Hypobromous acid HBrO structure

HBrO structure
Molecular Formula HBrO
Average mass 96.911 Da
Density 2.5±0.1 g/cm3
Boiling Point
Flash Point
Molar Refractivity 11.3±0.3 cm3
Polarizability 4.5±0.5 10-24cm3
Surface Tension 44.0±3.0 dyne/cm
Molar Volume 39.2±3.0 cm3

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

Density: 2.5±0.1 g/cm3
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction: 1.489
Molar Refractivity: 11.3±0.3 cm3
#H bond acceptors: 1
#H bond donors: 1
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 0.88
ACD/LogD (pH 5.5):
ACD/BCF (pH 5.5):
ACD/KOC (pH 5.5):
ACD/LogD (pH 7.4):
ACD/BCF (pH 7.4):
ACD/KOC (pH 7.4):
Polar Surface Area: 20 Å2
Polarizability: 4.5±0.5 10-24cm3
Surface Tension: 44.0±3.0 dyne/cm
Molar Volume: 39.2±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) = -0.78

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 527.32 (Adapted Stein & Brown method)
 Melting Pt (deg C): 208.57 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 3.06E-013 (Modified Grain method)
 Subcooled liquid VP: 2.71E-011 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): 1e+006
 log Kow used: -0.78 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 1e+006 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]: 3.902E-020 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) : 0.7014
 Biowin2 (Non-Linear Model) : 0.8365
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.9850 (weeks )
 Biowin4 (Primary Survey Model) : 3.7079 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.4238
 Biowin6 (MITI Non-Linear Model): 0.4324
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.8361
 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): 3.61E-009 Pa (2.71E-011 mm Hg)
 Log Koa (): not available
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 830 
 Octanol/air (Koa) model: not available
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 1 
 Mackay model : 1 
 Octanol/air (Koa) model: not available

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 0.1400 E-12 cm3/molecule-sec
 Half-Life = 76.400 Days (12-hr day; 1.5E6 OH/cm3)
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 1 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 14.3
 Log Koc: 1.155 

 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: -0.78 (estimated)

 Volatilization from Water:
 Henry LC: 3.9E-020 atm-m3/mole (calculated from VP/WS)
 Half-Life from Model River: 1.477E+016 hours (6.155E+014 days)
 Half-Life from Model Lake : 1.611E+017 hours (6.714E+015 days)

 Removal In Wastewater Treatment:
 Total removal: 1.85 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 1.76 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 4.13e-008 1.83e+003 1000 
 Water 38.9 360 1000 
 Soil 61 720 1000 
 Sediment 0.0713 3.24e+003 0 
 Persistence Time: 579 hr




 

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