2,5-Pyrazinedicarboxylic acid C6H4N2O4 structure – Flashcards
Flashcard maker : Alicia Bennett
| Molecular Formula | C6H4N2O4 |
| Average mass | 168.107 Da |
| Density | 1.7±0.1 g/cm3 |
| Boiling Point | 466.5±45.0 °C at 760 mmHg |
| Flash Point | 236.0±28.7 °C |
| Molar Refractivity | 36.3±0.3 cm3 |
| Polarizability | 14.4±0.5 10-24cm3 |
| Surface Tension | 100.8±3.0 dyne/cm |
| Molar Volume | 100.9±3.0 cm3 |
- Experimental data
- Predicted – ACD/Labs
- Predicted – EPISuite
- Predicted – ChemAxon
- Predicted – Mcule
- Experimental Physico-chemical Properties
- Miscellaneous
Predicted data is generated using the ACD/Labs Percepta Platform – PhysChem Module
| Density: | 1.7±0.1 g/cm3 |
| Boiling Point: | 466.5±45.0 °C at 760 mmHg |
| Vapour Pressure: | 0.0±1.2 mmHg at 25°C |
| Enthalpy of Vaporization: | 76.7±3.0 kJ/mol |
| Flash Point: | 236.0±28.7 °C |
| Index of Refraction: | 1.638 |
| Molar Refractivity: | 36.3±0.3 cm3 |
| #H bond acceptors: | 6 |
| #H bond donors: | 2 |
| #Freely Rotating Bonds: | 2 |
| #Rule of 5 Violations: | 0 |
| ACD/LogP: | -2.01 |
| ACD/LogD (pH 5.5): | -4.32 |
| ACD/BCF (pH 5.5): | 1.00 |
| ACD/KOC (pH 5.5): | 1.00 |
| ACD/LogD (pH 7.4): | -4.49 |
| ACD/BCF (pH 7.4): | 1.00 |
| ACD/KOC (pH 7.4): | 1.00 |
| Polar Surface Area: | 100 Å2 |
| Polarizability: | 14.4±0.5 10-24cm3 |
| Surface Tension: | 100.8±3.0 dyne/cm |
| Molar Volume: | 100.9±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) = -0.30 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 362.24 (Adapted Stein & Brown method) Melting Pt (deg C): 148.25 (Mean or Weighted MP) VP(mm Hg,25 deg C): 3.77E-006 (Modified Grain method) Subcooled liquid VP: 6.75E-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): 1.126e+005 log Kow used: -0.30 (estimated) no-melting pt equation used Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 2158.5 mg/L ECOSAR Class Program (ECOSAR v0.99h): Class(es) found: Neutral Organics-acid Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : 1.18E-015 atm-m3/mole Group Method: Incomplete Henrys LC [VP/WSol estimate using EPI values]: 7.406E-012 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: -0.30 (KowWin est) Log Kaw used: -13.317 (HenryWin est) Log Koa (KOAWIN v1.10 estimate): 13.017 Log Koa (experimental database): None Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 1.0212 Biowin2 (Non-Linear Model) : 0.9958 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 3.0034 (weeks ) Biowin4 (Primary Survey Model) : 3.6207 (days-weeks ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.9824 Biowin6 (MITI Non-Linear Model): 0.9428 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): 1.1764 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): 0.009 Pa (6.75E-005 mm Hg) Log Koa (Koawin est ): 13.017 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 0.000333 Octanol/air (Koa) model: 2.55 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 0.0119 Mackay model : 0.026 Octanol/air (Koa) model: 0.995 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 1.0632 E-12 cm3/molecule-sec Half-Life = 10.060 Days (12-hr day; 1.5E6 OH/cm3) Ozone Reaction: No Ozone Reaction Estimation Fraction sorbed to airborne particulates (phi): 0.0189 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 10 Log Koc: 1.000 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: -0.30 (estimated) Volatilization from Water: Henry LC: 1.18E-015 atm-m3/mole (estimated by Bond SAR Method) Half-Life from Model River: 6.433E+011 hours (2.681E+010 days) Half-Life from Model Lake : 7.018E+012 hours (2.924E+011 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 2.81e-008 241 1000 Water 38.7 360 1000 Soil 61.2 720 1000 Sediment 0.0712 3.24e+003 0 Persistence Time: 581 hr
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