Isobutane C4H10 structure – Flashcards
Contents
- Experimental Melting Point:
- Experimental Boiling Point:
- Experimental Ionization Potent:
- Experimental LogP:
- Experimental Flash Point:
- Experimental Freezing Point:
- Experimental Solubility:
- Appearance:
- Stability:
- Safety:
- First-Aid:
- Exposure Routes:
- Symptoms:
- Target Organs:
- Incompatibility:
- Personal Protection:
- Exposure Limits:
- Retention Index (Kovats):
- Retention Index (Normal Alkane):
- Retention Index (Linear):
Molecular Formula | C4H10 |
Average mass | 58.122 Da |
Density | 0.6±0.1 g/cm3 |
Boiling Point | -10.5±3.0 °C at 760 mmHg |
Flash Point | -71.5±10.3 °C |
Molar Refractivity | 20.5±0.3 cm3 |
Polarizability | 8.1±0.5 10-24cm3 |
Surface Tension | 15.6±3.0 dyne/cm |
Molar Volume | 94.9±3.0 cm3 |
- Experimental data
- Predicted – ACD/Labs
- Predicted – EPISuite
- Predicted – ChemAxon
- Experimental Physico-chemical Properties
- Miscellaneous
- Gas Chromatography
Predicted data is generated using the ACD/Labs Percepta Platform – PhysChem Module
Density: | 0.6±0.1 g/cm3 |
Boiling Point: | -10.5±3.0 °C at 760 mmHg |
Vapour Pressure: | 2575.1±0.0 mmHg at 25°C |
Enthalpy of Vaporization: | 21.3±0.0 kJ/mol |
Flash Point: | -71.5±10.3 °C |
Index of Refraction: | 1.352 |
Molar Refractivity: | 20.5±0.3 cm3 |
#H bond acceptors: | 0 |
#H bond donors: | 0 |
#Freely Rotating Bonds: | 0 |
#Rule of 5 Violations: | 0 |
ACD/LogP: | 2.70 |
ACD/LogD (pH 5.5): | 2.58 |
ACD/BCF (pH 5.5): | 54.14 |
ACD/KOC (pH 5.5): | 606.02 |
ACD/LogD (pH 7.4): | 2.58 |
ACD/BCF (pH 7.4): | 54.14 |
ACD/KOC (pH 7.4): | 606.02 |
Polar Surface Area: | 0 Å2 |
Polarizability: | 8.1±0.5 10-24cm3 |
Surface Tension: | 15.6±3.0 dyne/cm |
Molar Volume: | 94.9±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) = 2.23
Log Kow (Exper. database match) = 2.76
Exper. Ref: Hansch,C et al. (1995)Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
Boiling Pt (deg C): 3.21 (Adapted Stein & Brown method)
Melting Pt (deg C): -132.55 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 2.59E+003 (Mean VP of Antoine & Grain methods)
MP (exp database): -138.3 deg C
BP (exp database): -11.7 deg C
VP (exp database): 2.61E+03 mm Hg at 25 deg CWater Solubility Estimate from Log Kow (WSKOW v1.41):
Water Solubility at 25 deg C (mg/L): 175.1
log Kow used: 2.76 (expkow database)
no-melting pt equation used
Water Sol (Exper. database match) = 48.8 mg/L (25 deg C)
Exper. Ref: MCAULIFFE,C (1966)Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 104.7 mg/L
Wat Sol (Exper. database match) = 48.80
Exper. Ref: MCAULIFFE,C (1966)ECOSAR Class Program (ECOSAR v0.99h):
Class(es) found:
Neutral OrganicsHenrys Law Constant (25 deg C) [HENRYWIN v3.10]:
Bond Method : 9.69E-001 atm-m3/mole
Group Method: 1.02E+000 atm-m3/mole
Exper Database: 1.19E+00 atm-m3/mole
Henrys LC [VP/WSol estimate using EPI values]: 3.319E-001 atm-m3/moleLog Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 2.76 (exp database)
Log Kaw used: 1.687 (exp database)
Log Koa (KOAWIN v1.10 estimate): 1.073
Log Koa (experimental database): NoneProbability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.7199
Biowin2 (Non-Linear Model) : 0.8987
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 3.0707 (weeks )
Biowin4 (Primary Survey Model) : 3.7639 (days )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.4898
Biowin6 (MITI Non-Linear Model): 0.6913
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.4315
Ready Biodegradability Prediction: NOHydrocarbon Biodegradation (BioHCwin v1.01):
LOG BioHC Half-Life (days) : 0.4901
BioHC Half-Life (days) : 3.0910Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
Vapor pressure (liquid/subcooled): 3.48E+005 Pa (2.61E+003 mm Hg)
Log Koa (Koawin est ): 1.073
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 8.62E-012
Octanol/air (Koa) model: 2.9E-012
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 3.11E-010
Mackay model : 6.9E-010
Octanol/air (Koa) model: 2.32E-010Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 2.4418 E-12 cm3/molecule-sec
Half-Life = 4.380 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 52.564 Hrs
Ozone Reaction:
No Ozone Reaction Estimation
Fraction sorbed to airborne particulates (phi): 5.01E-010 (Junge,M