Dibromoacetonitrile C2HBr2N structure – Flashcards

Flashcard maker : Isabel Padilla

C2HBr2N structure
Molecular Formula C2HBr2N
Average mass 198.844 Da
Density 2.4±0.1 g/cm3
Boiling Point 163.1±0.0 °C at 760 mmHg
Flash Point 31.9±21.8 °C
Molar Refractivity 26.7±0.3 cm3
Polarizability 10.6±0.5 10-24cm3
Surface Tension 54.3±3.0 dyne/cm
Molar Volume 81.7±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Predicted – Mcule
  • Experimental Physico-chemical Properties
    • Experimental Boiling Point:

      67-69 deg C / 24 mm (178.779-181.375 °C / 760 mmHg)
      Alfa Aesar
      67-69 ° / 24 mm (178.779-181.375 °C / 760 mmHg)
      Matrix Scientific
      67-69 °C / 24 mm (178.779-181.375 °C / 760 mmHg)
      Alfa Aesar A16994
      67-69 °C / 24 mm (178.779-181.375 °C / 760 mmHg)
      Matrix Scientific 003425
    • Experimental Optical Rotation:

      1.539 Matrix Scientific 003425
    • Experimental Flash Point:

      56 °C Alfa Aesar
      56 °C Alfa Aesar
      56 °F (13.3333 °C)
      Alfa Aesar A16994
    • Experimental Gravity:

      2.296 g/mL Alfa Aesar A16994
      2.296 g/mL Matrix Scientific 003425
      2.296 g/mL Fluorochem
      2.296 g/l Fluorochem 001049
    • Experimental Refraction Index:

      1.539 Alfa Aesar A16994
      1.539 Matrix Scientific 003425
  • Miscellaneous
    • Safety:

      20-23-26-36/37/39-45 Alfa Aesar A16994
      22-34 Alfa Aesar A16994
      3 Alfa Aesar A16994
      Danger Alfa Aesar A16994
      DANGER: FLAMMABLE, CORROSIVE, burns skin and eyes Alfa Aesar A16994
      DANGER: POISON, causes cyanosis; skin, eye, lung irritation Alfa Aesar A16994
      H314-H226-H302 Alfa Aesar A16994
      LACHRYMATOR, TOXIC Matrix Scientific 003425
      P210-P260-P303+P361+P353-P305+P351+P338-P405-P501a Alfa Aesar A16994
  • Gas Chromatography
    • Retention Index (Kovats):

      994 (estimated with error: 89) NIST Spectra mainlib_71205, replib_235061, replib_291376
    • Retention Index (Normal Alkane):

      863.1 (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: 3252435; 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
    • Retention Index (Linear):

      853.3 (Program type: Ramp; Column cl… (show more) ass: 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: 325 C; CAS no: 3252435; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Sun, G.; Stremple, P., Retention index characterization of flavor, fragrance, and many other compounds on DB-1 and DB-XLB, 2003.) NIST Spectra nist ri

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

Density: 2.4±0.1 g/cm3
Boiling Point: 163.1±0.0 °C at 760 mmHg
Vapour Pressure: 2.1±0.3 mmHg at 25°C
Enthalpy of Vaporization: 40.0±3.0 kJ/mol
Flash Point: 31.9±21.8 °C
Index of Refraction: 1.566
Molar Refractivity: 26.7±0.3 cm3
#H bond acceptors: 1
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 1.30
ACD/LogD (pH 5.5): 1.74
ACD/BCF (pH 5.5): 12.27
ACD/KOC (pH 5.5): 209.36
ACD/LogD (pH 7.4): 1.74
ACD/BCF (pH 7.4): 12.27
ACD/KOC (pH 7.4): 209.36
Polar Surface Area: 24 Å2
Polarizability: 10.6±0.5 10-24cm3
Surface Tension: 54.3±3.0 dyne/cm
Molar Volume: 81.7±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) = 0.47

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 203.61 (Adapted Stein & Brown method)
 Melting Pt (deg C): 6.98 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.301 (Mean VP of Antoine & Grain methods)
 BP (exp database): 67-69 @ 24 mm Hg deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 9600
 log Kow used: 0.47 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 48742 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 4.06E-007 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 8.203E-006 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 0.47 (KowWin est)
 Log Kaw used: -4.780 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 5.250
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.8675
 Biowin2 (Non-Linear Model) : 0.0170
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.7353 (weeks-months)
 Biowin4 (Primary Survey Model) : 3.5664 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.3351
 Biowin6 (MITI Non-Linear Model): 0.0149
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 1.3884
 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): 36.8 Pa (0.276 mm Hg)
 Log Koa (Koawin est ): 5.250
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 8.15E-008 
 Octanol/air (Koa) model: 4.37E-008 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 2.94E-006 
 Mackay model : 6.52E-006 
 Octanol/air (Koa) model: 3.49E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 0.0289 E-12 cm3/molecule-sec
 Half-Life = 370.126 Days (12-hr day; 1.5E6 OH/cm3)
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 4.73E-006 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 12.83
 Log Koc: 1.108 

 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: 0.47 (estimated)

 Volatilization from Water:
 Henry LC: 4.06E-007 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 2035 hours (84.79 days)
 Half-Life from Model Lake : 2.232E+004 hours (929.9 days)

 Removal In Wastewater Treatment:
 Total removal: 1.88 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 1.77 percent
 Total to Air: 0.02 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 3.03 8.88e+003 1000 
 Water 48 900 1000 
 Soil 48.8 1.8e+003 1000 
 Sediment 0.0949 8.1e+003 0 
 Persistence Time: 744 hr




 

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