Hydrazine H4N2 structure – Flashcards
Flashcard maker : Richard Molina
Contents
- Experimental Melting Point:
- Experimental Boiling Point:
- Experimental Ionization Potent:
- Experimental Vapor Pressure:
- Experimental Flash Point:
- Experimental Freezing Point:
- Experimental Solubility:
- Appearance:
- Safety:
- First-Aid:
- Exposure Routes:
- Symptoms:
- Target Organs:
- Incompatibility:
- Personal Protection:
- Exposure Limits:
| Molecular Formula | H4N2 |
| Average mass | 32.045 Da |
| Density | 0.9±0.1 g/cm3 |
| Boiling Point | 113.5±9.0 °C at 760 mmHg |
| Flash Point | |
| Molar Refractivity | 9.1±0.3 cm3 |
| Polarizability | 3.6±0.5 10-24cm3 |
| Surface Tension | 39.9±3.0 dyne/cm |
| Molar Volume | 35.9±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: | 0.9±0.1 g/cm3 |
| Boiling Point: | 113.5±9.0 °C at 760 mmHg |
| Vapour Pressure: | 20.7±0.2 mmHg at 25°C |
| Enthalpy of Vaporization: | 41.8±0.0 kJ/mol |
| Flash Point: | |
| Index of Refraction: | 1.422 |
| Molar Refractivity: | 9.1±0.3 cm3 |
| #H bond acceptors: | 2 |
| #H bond donors: | 4 |
| #Freely Rotating Bonds: | 1 |
| #Rule of 5 Violations: | 0 |
| ACD/LogP: | -1.20 |
| ACD/LogD (pH 5.5): | |
| ACD/BCF (pH 5.5): | |
| ACD/KOC (pH 5.5): | |
| ACD/LogD (pH 7.4): | |
| ACD/BCF (pH 7.4): | |
| ACD/KOC (pH 7.4): | |
| Polar Surface Area: | 52 Å2 |
| Polarizability: | 3.6±0.5 10-24cm3 |
| Surface Tension: | 39.9±3.0 dyne/cm |
| Molar Volume: | 35.9±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) = -1.47 Log Kow (Exper. database match) = -2.07 Exper. Ref: Hansch,C et al. (1995) Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 499.25 (Adapted Stein & Brown method) Melting Pt (deg C): 198.90 (Mean or Weighted MP) VP(mm Hg,25 deg C): 20.8 (Mean VP of Antoine & Grain methods) MP (exp database): 2 deg C BP (exp database): 113.5 deg C VP (exp database): 1.44E+01 mm Hg at 25 deg C Water Solubility Estimate from Log Kow (WSKOW v1.41): Water Solubility at 25 deg C (mg/L): 1e+006 log Kow used: -2.07 (expkow database) no-melting pt equation used Water Sol (Exper. database match) = 1e+006 mg/L ( deg C) Exper. Ref: AMOORE,JE & HAUTALA,E (1983) Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 1e+006 mg/L Wat Sol (Exper. database match) = 1000000.00 Exper. Ref: AMOORE,JE & HAUTALA,E (1983) ECOSAR Class Program (ECOSAR v0.99h): Class(es) found: Hydrazines Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : 1.44E-008 atm-m3/mole Group Method: Incomplete Henrys LC [VP/WSol estimate using EPI values]: 8.772E-007 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: -2.07 (exp database) Log Kaw used: -6.230 (HenryWin est) Log Koa (KOAWIN v1.10 estimate): 4.160 Log Koa (experimental database): None Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 0.7323 Biowin2 (Non-Linear Model) : 0.9278 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 3.1284 (weeks ) Biowin4 (Primary Survey Model) : 3.8015 (days ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.2438 Biowin6 (MITI Non-Linear Model): 0.0000 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): 0.8361 Ready Biodegradability Prediction: NO Hydrocarbon Biodegradation (BioHCwin v1.01): Structure incompatible with current estimation method! Sorption to aerosols (25 Dec C)[AEROWIN v1.00]: Vapor pressure (liquid/subcooled): 1.92E+003 Pa (14.4 mm Hg) Log Koa (Koawin est ): 4.160 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 1.56E-009 Octanol/air (Koa) model: 3.55E-009 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 5.64E-008 Mackay model : 1.25E-007 Octanol/air (Koa) model: 2.84E-007 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 0.0000 E-12 cm3/molecule-sec Half-Life = ------- Ozone Reaction: No Ozone Reaction Estimation Fraction sorbed to airborne particulates (phi): 9.07E-008 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 14.3 Log Koc: 1.155 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: -2.07 (expkow database) Volatilization from Water: Henry LC: 1.44E-008 atm-m3/mole (estimated by Bond SAR Method) Half-Life from Model River: 2.302E+004 hours (959.1 days) Half-Life from Model Lake : 2.512E+005 hours (1.046E+004 days) Removal In Wastewater Treatment: Total removal: 1.85 percent Total biodegradation: 0.09 percent Total sludge adsorption: 1.75 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 0.332 1e+005 1000 Water 39.2 360 1000 Soil 60.3 720 1000 Sediment 0.0718 3.24e+003 0 Persistence Time: 567 hr
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