Home Page Flashcards Methyl tricosanoate C24H48O2 structure - Flashcards

Methyl tricosanoate C24H48O2 structure – Flashcards

Flashcard maker : Bernice Cooper

Contents

Experimental Melting Point:
Safety:
Retention Index (Kovats):
Retention Index (Lee):
Retention Index (Normal Alkane):
Retention Index (Linear):

Molecular Formula	C₂₄H₄₈O₂
Average mass	368.637 Da
Density	0.9±0.1 g/cm³
Boiling Point	408.9±8.0 °C at 760 mmHg
Flash Point	203.9±8.3 °C
Molar Refractivity	115.0±0.3 cm³
Polarizability	45.6±0.5 10^-24cm³
Surface Tension	31.2±3.0 dyne/cm
Molar Volume	428.2±3.0 cm³

Experimental data
Predicted – ACD/Labs
Predicted – EPISuite
Predicted – ChemAxon

Experimental Physico-chemical Properties
- Experimental Melting Point:
  
  53-56 °C Indofine
  [20-2300]
  ,
  [20-2300]
  
  53-56 °C Indofine
  [20-2300]
  ,
  [20-2300]
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  [20-2300]
Miscellaneous
- Safety:
  
  TBC SynQuest 2123-1-66

Gas Chromatography

Retention Index (Kovats):

2574 (estimated with error: 47) NIST Spectra mainlib_352402, replib_71765, replib_155375, replib_16372

2922 (Program type: Isothermal; Col… (show more) umn class: Standard polar; Column diameter: 0.25 mm; Column length: 25 m; Column type: Capillary; Start T: 240 C; CAS no: 2433978; Active phase: CP-Wax; Phase thickness: 0.22 um; Data type: Kovats RI; Authors: Hanai, T.; Hong, C., Structure-retention correlation in CGC, J. Hi. Res. Chromatogr., 12, 1989, 327-332.) NIST Spectra nist ri

2951 (Program type: Isothermal; Col… (show more) umn class: Standard polar; Column diameter: 0.25 mm; Column length: 25 m; Column type: Capillary; Start T: 240 C; CAS no: 2433978; Active phase: DB-Wax; Phase thickness: 0.22 um; Data type: Kovats RI; Authors: Hanai, T.; Hong, C., Structure-retention correlation in CGC, J. Hi. Res. Chromatogr., 12, 1989, 327-332.) NIST Spectra nist ri

Retention Index (Lee):

435.6 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.2 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 50 C; End T: 300 C; End time: 5 min; Start time: 2 min; CAS no: 2433978; Active phase: DB-1; Phase thickness: 0.25 um; Data type: Lee RI; Authors: Johnson, C.I.; Urso, A.; Geleta, L., Broad spectrum analysis of municipal and industrial effluents discharged into the Peace, Athabasca and Slave river basins: characterization of effluent samples, 1994 – Volume 1 of 2, Northern River Basins Study Project Report No. 121, Norther River Basins Study, Edmonton, Alberta, 1997, 27.) NIST Spectra nist ri

435.7 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.2 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 50 C; End T: 300 C; End time: 5 min; Start time: 2 min; CAS no: 2433978; Active phase: DB-1; Phase thickness: 0.25 um; Data type: Lee RI; Authors: Johnson, C.I.; Urso, A.; Geleta, L., Broad spectrum analysis of municipal and industrial effluents discharged into the Peace, Athabasca and Slave river basins: characterization of effluent samples, 1994 – Volume 1 of 2, Northern River Basins Study Project Report No. 121, Norther River Basins Study, Edmonton, Alberta, 1997, 27.) NIST Spectra nist ri

417.31 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.26 mm; Column length: 30 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 50 C; End T: 300 C; End time: 20 min; Start time: 4 min; CAS no: 2433978; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Lee RI; Authors: Rostad, C.E.; Pereira, W.E., Kovats and Lee retention indices determined by gas chromatography/mass spectrometry for organic compounds of environmental interest, J. Hi. Res. Chromatogr. & Chromatogr. Comm., 9, 1986, 328-334.) NIST Spectra nist ri

Retention Index (Normal Alkane):

2614 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 80 C; End T: 260 C; CAS no: 2433978; Active phase: Ultra-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Okumura, T., retention indices of environmental chemicals on methyl silicone capillary column, Journal of Environmental Chemistry (Japan), 1(2), 1991, 333-358.) NIST Spectra nist ri

2608.6 (Program type: Complex; Column… (show more) class: Standard non-polar; Column diameter: 0.2 mm; Column length: 50 m; Column type: Capillary; Description: 70 0C (0.5 min) ^ 20 0C/min -> 150 0C ^ 2 0C/min -> 270 0C; CAS no: 2433978; Active phase: SP-2100; Carrier gas: H2; Data type: Normal alkane RI; Authors: Gillan, F.T., Analysis of Complex Fatty Acid Methyl Ester Mixtures on Non-polar Capillary GC Columns, J. Chromatogr. Sci., 21, 1983, 293-297.) NIST Spectra nist ri

2615 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column length: 12 ft; Column type: Packed; Heat rate: 2 K/min; Start T: 145 C; CAS no: 2433978; Active phase: SE-30; Substrate: Gas Chrom P; Data type: Normal alkane RI; Authors: Horning, M.G.; Casparrini, G.; Horning, E.C., The use of gas phase analytical methods for the analysis of phospholipids, J. Chromatogr. Sci., 7, 1969, 267-275.) NIST Spectra nist ri

2622.7 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 50 C; End T: 325 C; End time: 15 min; Start time: 1 min; CAS no: 2433978; Active phase: HP-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Jimenez, J.J.; Bernal, J.L.; Aumente, S.; Toribio, L.; Bernal, J., Jr., Quality assurance of commercial beeswax. II. Gas chromatography-electron impact ionization mass spectormetry of alcohols and acids, J. Chromatogr. A, 1007, 2003, 101-116.) NIST Spectra nist ri

Retention Index (Linear):

2631 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 300 C; Start time: 3 min; CAS no: 2433978; Active phase: CP Sil 5 CB; Carrier gas: H2; Phase thickness: 0.15 um; Data type: Linear RI; Authors: Heinrich, G.; Pfeifhofer, H.W.; Stabentheiner, E.; Sawidis, T., Glandular hairs of Sigesbeckia jorullensis Kunth (Asteraceae): morphology, histochemistry and composition of essential oil, Ann. Bot. Rome, 89, 2002, 459-469.) NIST Spectra nist ri

2612 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column diameter: 0.2 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 50 C; End T: 300 C; End time: 5 min; Start time: 2 min; CAS no: 2433978; Active phase: DB-1; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Johnson, C.I.; Urso, A.; Geleta, L., Broad spectrum analysis of municipal and industrial effluents discharged into the Peace, Athabasca and Slave river basins: characterization of effluent samples, 1994 – Volume 1 of 2, Northern River Basins Study Project Report No. 121, Norther River Basins Study, Edmonton, Alberta, 1997, 27.) NIST Spectra nist ri

2628.2 (Program type: Complex; Column… (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: Multi-step temperature program; T(initial)=60C; T(final)=270C; CAS no: 2433978; Active phase: VF-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Tret’yakov, K.V., Retention Data. NIST Mass Spectrometry Data Center., 2008.) NIST Spectra nist ri

2615 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 80 C; End T: 300 C; CAS no: 2433978; Active phase: HP-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Zhao C.X.; Li, X.N.; Liang Y.Z.; Fang H.Z.; Huang L.F.; Guo F.Q., Comparative analysis of chemical components of essential oils from different samples of Rhododendron with the help of chemometrics methods, Chemom. Intell. Lab. Syst., 82, 2006, 218-228.) NIST Spectra nist ri

2632 (Program type: Ramp; Column cl… (show more) ass: Semi-standard non-polar; Column diameter: 0.26 mm; Column length: 30 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 50 C; End T: 300 C; End time: 20 min; Start time: 4 min; CAS no: 2433978; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Rostad, C.E.; Pereira, W.E., Kovats and Lee retention indices determined by gas chromatography/mass spectrometry for organic compounds of environmental interest, J. Hi. Res. Chromatogr. ; Chromatogr. Comm., 9, 1986, 328-334.) NIST Spectra nist ri

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

Density:	0.9±0.1 g/cm³
Boiling Point:	408.9±8.0 °C at 760 mmHg
Vapour Pressure:	0.0±1.0 mmHg at 25°C
Enthalpy of Vaporization:	66.1±3.0 kJ/mol
Flash Point:	203.9±8.3 °C
Index of Refraction:	1.450
Molar Refractivity:	115.0±0.3 cm³
#H bond acceptors:	2
#H bond donors:	0
#Freely Rotating Bonds:	22
#Rule of 5 Violations:	1

ACD/LogP:	11.34
ACD/LogD (pH 5.5):	10.35
ACD/BCF (pH 5.5):	1000000.00
ACD/KOC (pH 5.5):	10000000.00
ACD/LogD (pH 7.4):	10.35
ACD/BCF (pH 7.4):	1000000.00
ACD/KOC (pH 7.4):	10000000.00
Polar Surface Area:	26 Å²
Polarizability:	45.6±0.5 10^-24cm³
Surface Tension:	31.2±3.0 dyne/cm
Molar Volume:	428.2±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) = 10.69

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 407.01 (Adapted Stein & Brown method)
 Melting Pt (deg C): 126.70 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 5.42E-007 (Modified Grain method)
 Subcooled liquid VP: 5.61E-006 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): 3.571e-006
 log Kow used: 10.69 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 2.9623e-006 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 6.73E-002 atm-m3/mole
 Group Method: 1.65E-001 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 7.362E-002 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 10.69 (KowWin est)
 Log Kaw used: 0.440 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 10.250
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.8547
 Biowin2 (Non-Linear Model) : 0.9758
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.8231 (weeks )
 Biowin4 (Primary Survey Model) : 3.8139 (days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.9977
 Biowin6 (MITI Non-Linear Model): 0.9673
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 1.0769
 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): 0.000748 Pa (5.61E-006 mm Hg)
 Log Koa (Koawin est ): 10.250
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 0.00401 
 Octanol/air (Koa) model: 0.00437 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 0.127 
 Mackay model : 0.243 
 Octanol/air (Koa) model: 0.259 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 28.7378 E-12 cm3/molecule-sec
 Half-Life = 0.372 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 4.466 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 0.185 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 1.333E+006
 Log Koc: 6.125 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
 Total Kb for pH > 8 at 25 deg C : 3.016E-002 L/mol-sec
 Kb Half-Life at pH 8: 266.000 days 
 Kb Half-Life at pH 7: 7.283 years 

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
 Log BCF from regression-based method = 0.500 (BCF = 3.162)
 log Kow used: 10.69 (estimated)

 Volatilization from Water:
 Henry LC: 0.165 atm-m3/mole (estimated by Group SAR Method)
 Half-Life from Model River: 1.966 hours
 Half-Life from Model Lake : 182.4 hours (7.602 days)

 Removal In Wastewater Treatment:
 Total removal: 94.04 percent
 Total biodegradation: 0.78 percent
 Total sludge adsorption: 93.25 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 0.288 8.93 1000 
 Water 3.7 360 1000 
 Soil 28.6 720 1000 
 Sediment 67.4 3.24e+003 0 
 Persistence Time: 1.26e+003 hr

Click to predict properties on the Chemicalize site

Methyl tricosanoate C24H48O2 structure – Flashcards

Experimental Melting Point:

Safety:

Retention Index (Kovats):

Retention Index (Lee):

Retention Index (Normal Alkane):

Retention Index (Linear):

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