Isopentane
Product Description
| Product | Isopentane |
| CAS | 78-78-4 |
| Formula | N/A |
| Synonym | Butane, 2-methyl-, Ethyldimethyl methane, Isoamylhydride, 2-Methylbutane, 1,1,2-Trimethylethane, Butane, 2-methyl-, 2-Methylbutane |
Typical Product Specifications
| Density | 0.625 (20 c) |
| Auto Ignition Temp | 370 C (DIN 51794) |
| Aniline point | 77 C |
| Pour point | <-50 C |
| Kauri-Butanol Number | 29 |
| Viscosity @ 25°C | 0.35 mm^2/s |
| Thermal Conductivity @ 20C | 0.11 W/m/C |
| Hydrogen Bonding Index | 0 |
| Fractional Polarity | 0 |
| Electrical Conductivity @ 20C | <1 pS/m |
| Molecular weight | 71 g/mol |
| Antoine Constant A # | 7.17660 kPa, C |
| Refractive Index @ 20° C | 1.354 |
| Relative Evaporation Rate (nBuAc=1) | 15 |
| Colour | +30 Saybolt |
| Distillation - Initial Boiling Point | 28 C |
| Antoine Constant B # | 1791.83 kPa, C |
| Vapour Pressure @ 0C | 36 kPa |
| Naphthenes | <1 % m/m |
| n-Hexane | <0.1 % m/m |
| Upper Explosion Limit in Air | 7.6 % v/v |
| Surface Tension @ 20C | 15 mN/m |
| Hildebrand Solubility Parameter | 6.8 (cal/cm^3)^1/2 |
| Density @ 15 ° C | 0.624 kg/L |
| Coefficient of Cubic Expansion @ 20C | 16 10^-4/C |
| Bromine Index | 20 mg Br/100g |
| Distillation - Dry Point | 32 C |
| Relative Evaporation Rate (Ether=1) | <1.0 |
| Antoine Constant C # | 318.690 kPa, C |
| Temperature Limits for Antoine Equation | -5 to +25 C |
| Vapour Pressure @ 20C | 77 kPa |
| Saturated Vapour Concentration @ 20C | 2275 g/m^3 |
| Paraffins | >99 % m/m |
| Aromatics | <5 mg/kg |
| Benzene | <3 mg/kg |
| Sulphur | <0.5 mg/kg |
| Flash Point (Abel) | <-50 C |
| Lower Explosion Limit in Air | 1.3 % v/v |
| Auto Ignition Temp | 468 C (ASTM E659) |
| Odor | gasoline-like odor |
| Insolubility | in water |
| Vapor Pressure | 595 mm hg (21 c) |
| Color | colorless volatile liquid |
| Flash Point | -51 c |
| Solubility | hydrocarbons, alcohol, oils, ether |
| Boiling Point | 27.85 c |
| Chemical Structure |  |
| Notes | Use: PROPELLANT, SOLVENT, VISCOSITY CONTROLLING |
| Class | Solvents - Glycols - Alcohols, Organic Intermediates and Compounds |
| Function | Solvents, Drilling Fluid Additives, Organic Intermediate |
| Industry | Industrial, Industrial Drilling, Oil and Gas Production, Drilling Fluid, Fracking, Hydraulic Fracturing, Organics, Solvents |
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