4-Hydroxy-3-iodo-5-methoxybenzaldehyde C8H7IO3 structure – Flashcards

Flashcard maker : Kevin Stewart

Molecular Formula C8H7IO3
Average mass 278.044 Da
Density 1.9±0.1 g/cm3
Boiling Point 304.1±42.0 °C at 760 mmHg
Flash Point 137.7±27.9 °C
Molar Refractivity 54.5±0.3 cm3
Polarizability 21.6±0.5 10-24cm3
Surface Tension 56.7±3.0 dyne/cm
Molar Volume 145.6±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Predicted – Mcule
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      182 °C TCI I0427
      183-185 °C (Literature) Indofine
      [I-001]
      181-184 °C Alfa Aesar
      183 °C Jean-Claude Bradley Open Melting Point Dataset 5947
      181-184 °C Alfa Aesar A15162
      180-182 °C SynQuest 2615-H-02
      183-185 °C Oakwood
      [002992]
      183-185 °C LabNetwork LN00237982
      183-185 °C (Literature) Indofine
      [I-001]
      ,
      [I-001]
    • Experimental LogP:

      1.9092 Synthon-Lab
      [SL051916]
    • Experimental Flash Point:

  • Predicted Physico-chemical Properties
    • Predicted Melting Point:

      182 °C TCI
      182 °C TCI I0427
  • Miscellaneous
    • Appearance:

      Not Available Novochemy
      [NC-37581]
    • Safety:

      20/21/22 Novochemy
      [NC-37581]
      20/21/36/37/39 Novochemy
      [NC-37581]
      26-37 Alfa Aesar A15162
      36/37/38 Alfa Aesar A15162
      GHS07; GHS09 Novochemy
      [NC-37581]
      H315-H319-H335 Alfa Aesar A15162
      H332; H403 Novochemy
      [NC-37581]
      Irritant SynQuest 2615-H-02
      P280g-P305+P351+P338 Alfa Aesar A15162
      P332+P313; P305+P351+P338 Novochemy
      [NC-37581]
      R52/53 Novochemy
      [NC-37581]
      Warning Alfa Aesar A15162
      Warning Novochemy
      [NC-37581]
      WARNING: Irritates lungs, eyes, skin Alfa Aesar A15162
      Xi Abblis Chemicals AB1002668
  • Gas Chromatography
    • Retention Index (Kovats):

      1796 (estimated with error: 89) NIST Spectra mainlib_239002, replib_70799

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

Density: 1.9±0.1 g/cm3
Boiling Point: 304.1±42.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.7 mmHg at 25°C
Enthalpy of Vaporization: 56.6±3.0 kJ/mol
Flash Point: 137.7±27.9 °C
Index of Refraction: 1.671
Molar Refractivity: 54.5±0.3 cm3
#H bond acceptors: 3
#H bond donors: 1
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 2.34
ACD/LogD (pH 5.5): 2.09
ACD/BCF (pH 5.5): 22.25
ACD/KOC (pH 5.5): 308.66
ACD/LogD (pH 7.4): 1.06
ACD/BCF (pH 7.4): 2.07
ACD/KOC (pH 7.4): 28.75
Polar Surface Area: 47 Å2
Polarizability: 21.6±0.5 10-24cm3
Surface Tension: 56.7±3.0 dyne/cm
Molar Volume: 145.6±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) = 2.22

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 334.55 (Adapted Stein & Brown method)
 Melting Pt (deg C): 109.32 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 1.3E-005 (Modified Grain method)
 Subcooled liquid VP: 8.76E-005 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): 208.1
 log Kow used: 2.22 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 493.71 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
 Class(es) found:
 Aldehydes
 Phenols

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 1.92E-011 atm-m3/mole
 Group Method: 8.88E-010 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 2.285E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 2.22 (KowWin est)
 Log Kaw used: -9.105 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 11.325
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.3889
 Biowin2 (Non-Linear Model) : 0.3531
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.5604 (weeks-months)
 Biowin4 (Primary Survey Model) : 3.6330 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.1886
 Biowin6 (MITI Non-Linear Model): 0.0000
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.9470
 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): 0.0117 Pa (8.76E-005 mm Hg)
 Log Koa (Koawin est ): 11.325
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 0.000257 
 Octanol/air (Koa) model: 0.0519 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 0.00919 
 Mackay model : 0.0201 
 Octanol/air (Koa) model: 0.806 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 22.7985 E-12 cm3/molecule-sec
 Half-Life = 0.469 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 5.630 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Reaction With Nitrate Radicals May Be Important!
 Fraction sorbed to airborne particulates (phi): 0.0147 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 63.57
 Log Koc: 1.803 

 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 = 1.011 (BCF = 10.26)
 log Kow used: 2.22 (estimated)

 Volatilization from Water:
 Henry LC: 8.88E-010 atm-m3/mole (estimated by Group SAR Method)
 Half-Life from Model River: 1.099E+006 hours (4.581E+004 days)
 Half-Life from Model Lake : 1.199E+007 hours (4.997E+005 days)

 Removal In Wastewater Treatment:
 Total removal: 2.51 percent
 Total biodegradation: 0.10 percent
 Total sludge adsorption: 2.41 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 0.00788 11.3 1000 
 Water 19.5 900 1000 
 Soil 80.4 1.8e+003 1000 
 Sediment 0.101 8.1e+003 0 
 Persistence Time: 1.51e+003 hr




 

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