4-Hydroxybenzoic acid C7H6O3 structure – Flashcards
Flashcard maker : Niamh Mitchell
Contents
| Molecular Formula | C7H6O3 |
| Average mass | 138.121 Da |
| Density | 1.4±0.1 g/cm3 |
| Boiling Point | 336.2±25.0 °C at 760 mmHg |
| Flash Point | 171.3±19.7 °C |
| Molar Refractivity | 35.1±0.3 cm3 |
| Polarizability | 13.9±0.5 10-24cm3 |
| Surface Tension | 64.4±3.0 dyne/cm |
| Molar Volume | 100.4±3.0 cm3 |
- Experimental data
- Predicted – ACD/Labs
- Predicted – EPISuite
- Predicted – ChemAxon
- Predicted – Mcule
- Spectroscopy
- Experimental Physico-chemical Properties
- Predicted Physico-chemical Properties
- Miscellaneous
- Gas Chromatography
Predicted data is generated using the ACD/Labs Percepta Platform – PhysChem Module
| Density: | 1.4±0.1 g/cm3 |
| Boiling Point: | 336.2±25.0 °C at 760 mmHg |
| Vapour Pressure: | 0.0±0.8 mmHg at 25°C |
| Enthalpy of Vaporization: | 61.1±3.0 kJ/mol |
| Flash Point: | 171.3±19.7 °C |
| Index of Refraction: | 1.616 |
| Molar Refractivity: | 35.1±0.3 cm3 |
| #H bond acceptors: | 3 |
| #H bond donors: | 2 |
| #Freely Rotating Bonds: | 1 |
| #Rule of 5 Violations: | 0 |
| ACD/LogP: | 1.42 |
| ACD/LogD (pH 5.5): | 0.51 |
| ACD/BCF (pH 5.5): | 1.00 |
| ACD/KOC (pH 5.5): | 14.38 |
| ACD/LogD (pH 7.4): | -1.15 |
| ACD/BCF (pH 7.4): | 1.00 |
| ACD/KOC (pH 7.4): | 1.00 |
| Polar Surface Area: | 58 Å2 |
| Polarizability: | 13.9±0.5 10-24cm3 |
| Surface Tension: | 64.4±3.0 dyne/cm |
| Molar Volume: | 100.4±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) = 1.39 Log Kow (Exper. database match) = 1.58 Exper. Ref: Hansch,C et al. (1995) Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 298.03 (Adapted Stein & Brown method) Melting Pt (deg C): 93.83 (Mean or Weighted MP) VP(mm Hg,25 deg C): 7.03E-006 (Modified Grain method) MP (exp database): 214.5 deg C VP (exp database): 1.92E-07 mm Hg at 25 deg C Subcooled liquid VP: 1.44E-005 mm Hg (25 deg C, exp database VP ) Water Solubility Estimate from Log Kow (WSKOW v1.41): Water Solubility at 25 deg C (mg/L): 1.45e+004 log Kow used: 1.58 (expkow database) no-melting pt equation used Water Sol (Exper. database match) = 5000 mg/L (25 deg C) Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992) Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 4872.4 mg/L Wat Sol (Exper. database match) = 5000.00 Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992) ECOSAR Class Program (ECOSAR v0.99h): Class(es) found: Phenols-acid Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : 1.13E-011 atm-m3/mole Group Method: 5.60E-012 atm-m3/mole Henrys LC [VP/WSol estimate using EPI values]: 8.811E-011 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: 1.58 (exp database) Log Kaw used: -9.335 (HenryWin est) Log Koa (KOAWIN v1.10 estimate): 10.915 Log Koa (experimental database): 8.080 Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 0.9745 Biowin2 (Non-Linear Model) : 0.9876 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 3.0382 (weeks ) Biowin4 (Primary Survey Model) : 3.6959 (days-weeks ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.7753 Biowin6 (MITI Non-Linear Model): 0.8757 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): 0.8007 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): 0.00192 Pa (1.44E-005 mm Hg) Log Koa (Exp database): 8.080 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 0.00156 Octanol/air (Koa) model: 2.95E-005 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 0.0534 Mackay model : 0.111 Octanol/air (Koa) model: 0.00236 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 13.0001 E-12 cm3/molecule-sec Half-Life = 0.823 Days (12-hr day; 1.5E6 OH/cm3) Half-Life = 9.873 Hrs Ozone Reaction: No Ozone Reaction Estimation Reaction With Nitrate Radicals May Be Important! Fraction sorbed to airborne particulates (phi): 0.0823 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 23.47 Log Koc: 1.371 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: 1.58 (expkow database) Volatilization from Water: Henry LC: 5.6E-012 atm-m3/mole (estimated by Group SAR Method) Half-Life from Model River: 1.229E+008 hours (5.12E+006 days) Half-Life from Model Lake : 1.34E+009 hours (5.585E+007 days) Removal In Wastewater Treatment: Total removal: 2.00 percent Total biodegradation: 0.09 percent Total sludge adsorption: 1.91 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 0.000119 19.7 1000 Water 28.1 360 1000 Soil 71.9 720 1000 Sediment 0.0698 3.24e+003 0 Persistence Time: 661 hr
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