3,5-Dimethylbenzaldehyde C9H10O structure – Flashcards

Flashcard maker : Martha Hill

C9H10O structure
Molecular Formula C9H10O
Average mass 134.175 Da
Density 1.0±0.1 g/cm3
Boiling Point 221.0±0.0 °C at 760 mmHg
Flash Point 87.5±5.0 °C
Molar Refractivity 42.7±0.3 cm3
Polarizability 16.9±0.5 10-24cm3
Surface Tension 36.1±3.0 dyne/cm
Molar Volume 133.6±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      9 °C TCI D3498
      8-10 °C Alfa Aesar
      9 °C Jean-Claude Bradley Open Melting Point Dataset 27634, 3507
      8-10 °C Matrix Scientific
      8-10 °C Alfa Aesar L09748
      8-10 °C Matrix Scientific 075666
      8-10 °C BIONET-Key Organics GS-3349
    • Experimental Boiling Point:

      220-222 °C Alfa Aesar
      220-222 °C Matrix Scientific
      220-222 °C Alfa Aesar L09748
      220-222 °C Matrix Scientific 075666
    • Experimental Flash Point:

      99 °C LabNetwork LN00010194
    • Experimental Refraction Index:

      1.5375 Alfa Aesar L09748
  • Predicted Physico-chemical Properties
    • Predicted Melting Point:

      9 °C TCI
      9 °C TCI D3498
  • Miscellaneous
    • Appearance:

      Yellow Liquid Novochemy
      [NC-13886]
    • Safety:

      20/21/36/37/39 Novochemy
      [NC-13886]
      36/37/38 Novochemy
      [NC-13886]
      CAUTION: May irritate eyes, skin, and respiratory tract Alfa Aesar L09748
      GHS02; GHS07; GHS09 Novochemy
      [NC-13886]
      H332; H403 Novochemy
      [NC-13886]
      IRRITANT Matrix Scientific 075666
      P102; P210; P262; P270; P302+P352; P308+P313 Novochemy
      [NC-13886]
      R52/53 Novochemy
      [NC-13886]
      Warning Novochemy
      [NC-13886]
  • Gas Chromatography
    • Retention Index (Kovats):

      1208 (estimated with error: 45) NIST Spectra mainlib_136575
    • Retention Index (Normal Alkane):

      1149 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 50 C; End T: 250 C; CAS no: 5779953; Active phase: OV-101; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Misharina, T.A.; Golovnya, R.V.; Charnomskii, V.V., Volatile components of boiled shrimp funchalia woodwardi and crab geryon maritae, Zh. Anal. Khim., 46, 1991, 1421-1429.) NIST Spectra nist ri

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

Density: 1.0±0.1 g/cm3
Boiling Point: 221.0±0.0 °C at 760 mmHg
Vapour Pressure: 0.1±0.4 mmHg at 25°C
Enthalpy of Vaporization: 45.7±3.0 kJ/mol
Flash Point: 87.5±5.0 °C
Index of Refraction: 1.551
Molar Refractivity: 42.7±0.3 cm3
#H bond acceptors: 1
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 2.56
ACD/LogD (pH 5.5): 2.76
ACD/BCF (pH 5.5): 73.32
ACD/KOC (pH 5.5): 752.86
ACD/LogD (pH 7.4): 2.76
ACD/BCF (pH 7.4): 73.32
ACD/KOC (pH 7.4): 752.86
Polar Surface Area: 17 Å2
Polarizability: 16.9±0.5 10-24cm3
Surface Tension: 36.1±3.0 dyne/cm
Molar Volume: 133.6±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) = 2.80

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 220.88 (Adapted Stein & Brown method)
 Melting Pt (deg C): 13.40 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.125 (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 356.1
 log Kow used: 2.80 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 576.95 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 1.64E-005 atm-m3/mole
 Group Method: 3.22E-005 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 6.197E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 2.80 (KowWin est)
 Log Kaw used: -3.174 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 5.974
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 1.0776
 Biowin2 (Non-Linear Model) : 0.9999
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.7753 (weeks )
 Biowin4 (Primary Survey Model) : 3.7137 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.8319
 Biowin6 (MITI Non-Linear Model): 0.9146
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): -0.0712
 Ready Biodegradability Prediction: YES

Hydrocarbon Biodegradation (BioHCwin v1.01):
 Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
 Vapor pressure (liquid/subcooled): 15.6 Pa (0.117 mm Hg)
 Log Koa (Koawin est ): 5.974
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 1.92E-007 
 Octanol/air (Koa) model: 2.31E-007 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 6.95E-006 
 Mackay model : 1.54E-005 
 Octanol/air (Koa) model: 1.85E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 23.8903 E-12 cm3/molecule-sec
 Half-Life = 0.448 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 5.373 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 1.12E-005 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 85.7
 Log Koc: 1.933 

 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 = 1.460 (BCF = 28.82)
 log Kow used: 2.80 (estimated)

 Volatilization from Water:
 Henry LC: 3.22E-005 atm-m3/mole (estimated by Group SAR Method)
 Half-Life from Model River: 22.24 hours
 Half-Life from Model Lake : 339.8 hours (14.16 days)

 Removal In Wastewater Treatment:
 Total removal: 5.95 percent
 Total biodegradation: 0.11 percent
 Total sludge adsorption: 4.15 percent
 Total to Air: 1.68 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 1.14 10.7 1000 
 Water 24.6 360 1000 
 Soil 73.9 720 1000 
 Sediment 0.286 3.24e+003 0 
 Persistence Time: 439 hr




 

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