Mesalazine C7H7NO3 structure – Flashcards
Flashcard maker : Isabel Padilla
Contents
| Molecular Formula | C7H7NO3 |
| Average mass | 153.135 Da |
| Density | 1.5±0.1 g/cm3 |
| Boiling Point | 403.9±40.0 °C at 760 mmHg |
| Flash Point | 198.1±27.3 °C |
| Molar Refractivity | 39.3±0.3 cm3 |
| Polarizability | 15.6±0.5 10-24cm3 |
| Surface Tension | 83.4±3.0 dyne/cm |
| Molar Volume | 102.7±3.0 cm3 |
- Experimental data
- Predicted – ACD/Labs
- Predicted – EPISuite
- Predicted – ChemAxon
- Predicted – Mcule
- Experimental Physico-chemical Properties
- Miscellaneous
- Gas Chromatography
Predicted data is generated using the ACD/Labs Percepta Platform – PhysChem Module
| Density: | 1.5±0.1 g/cm3 |
| Boiling Point: | 403.9±40.0 °C at 760 mmHg |
| Vapour Pressure: | 0.0±1.0 mmHg at 25°C |
| Enthalpy of Vaporization: | 69.1±3.0 kJ/mol |
| Flash Point: | 198.1±27.3 °C |
| Index of Refraction: | 1.691 |
| Molar Refractivity: | 39.3±0.3 cm3 |
| #H bond acceptors: | 4 |
| #H bond donors: | 4 |
| #Freely Rotating Bonds: | 1 |
| #Rule of 5 Violations: | 0 |
| ACD/LogP: | 0.46 |
| ACD/LogD (pH 5.5): | -1.48 |
| ACD/BCF (pH 5.5): | 1.00 |
| ACD/KOC (pH 5.5): | 1.00 |
| ACD/LogD (pH 7.4): | -1.98 |
| ACD/BCF (pH 7.4): | 1.00 |
| ACD/KOC (pH 7.4): | 1.00 |
| Polar Surface Area: | 84 Å2 |
| Polarizability: | 15.6±0.5 10-24cm3 |
| Surface Tension: | 83.4±3.0 dyne/cm |
| Molar Volume: | 102.7±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) = 0.98 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 346.34 (Adapted Stein & Brown method) Melting Pt (deg C): 128.86 (Mean or Weighted MP) VP(mm Hg,25 deg C): 6.1E-008 (Modified Grain method) MP (exp database): 283 deg C Subcooled liquid VP: 4.37E-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): 1.077e+004 log Kow used: 0.98 (estimated) no-melting pt equation used Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 888.84 mg/L ECOSAR Class Program (ECOSAR v0.99h): Class(es) found: Aromatic Amines-acid Phenols-acid Salicylic Acid-acid Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : 5.02E-012 atm-m3/mole Group Method: 2.28E-015 atm-m3/mole Henrys LC [VP/WSol estimate using EPI values]: 1.141E-012 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: 0.98 (KowWin est) Log Kaw used: -9.688 (HenryWin est) Log Koa (KOAWIN v1.10 estimate): 10.668 Log Koa (experimental database): None Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 0.7336 Biowin2 (Non-Linear Model) : 0.9053 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 2.8701 (weeks ) Biowin4 (Primary Survey Model) : 3.5659 (days-weeks ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.5647 Biowin6 (MITI Non-Linear Model): 0.5429 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): 0.6183 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): 0.00583 Pa (4.37E-005 mm Hg) Log Koa (Koawin est ): 10.668 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 0.000515 Octanol/air (Koa) model: 0.0114 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 0.0183 Mackay model : 0.0396 Octanol/air (Koa) model: 0.478 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 20.8772 E-12 cm3/molecule-sec Half-Life = 0.512 Days (12-hr day; 1.5E6 OH/cm3) Half-Life = 6.148 Hrs Ozone Reaction: No Ozone Reaction Estimation Reaction With Nitrate Radicals May Be Important! Fraction sorbed to airborne particulates (phi): 0.0289 (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: 0.98 (estimated) Volatilization from Water: Henry LC: 5.02E-012 atm-m3/mole (estimated by Bond SAR Method) Half-Life from Model River: 1.443E+008 hours (6.014E+006 days) Half-Life from Model Lake : 1.575E+009 hours (6.56E+007 days) Removal In Wastewater Treatment: Total removal: 1.88 percent Total biodegradation: 0.09 percent Total sludge adsorption: 1.79 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 0.000269 12.3 1000 Water 34.7 360 1000 Soil 65.2 720 1000 Sediment 0.0693 3.24e+003 0 Persistence Time: 608 hr
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