0102030405
0102030405
High Purity Neopentane Gas (C5H12) Fluorocarbon Gases
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Contact usSpecifications
| Purity(area percent) | 99.80% | GC-FID | Min.99.0% |
| n-Butane | 0.08% | GC-FID | <0.7% |
| isobutene | <0.01% | GC-FID | report |
| cyclobutane | <0.01% | GC-FID | report |
Technical Information
| Chemical formula | C5H12 |
| Molar mass | 72.151 g·mol−1 |
| Appearance | Colorless gas |
| Odor | Odorless |
| Density | 3.255 kg/m3 (gas, 9.5 °C) 601.172 kg/m3 (liquid, 9.5 °C) |
| Melting point | −16.5 °C (2.3 °F; 256.6 K) |
| Boiling point | 9.5 °C (49.1 °F; 282.6 K) |
| Vapor pressure | 146 kPa (at 20 °C)[3] |
| Henry's law constant (kH) | 4.7 nmol Pa−1 kg−1 |
| Heat capacity (C) | 121.07–120.57 J K−1 mol−1 |
| Std molar entropy (S⦵298) | 217 J K−1 mol−1 |
| Std enthalpy of formation (ΔfH⦵298) | −168.5–−167.3 kJ mol−1 |
| Std enthalpy of combustion (ΔcH⦵298) | −3.51506–−3.51314 MJ mol−1 |
product description
Neopentane, also called 2,2-dimethylpropane, is a double-branched-chain alkane with five carbon atoms. Neopentane is a flammable gas at room temperature and pressure which can condense into a highly volatile liquid on a cold day, in an ice bath, or when compressed to a higher pressure.
Neopentane is the simplest alkane with a quaternary carbon, and has achiral tetrahedral symmetry. It is one of the three structural isomers with the molecular formula C5H12 (pentanes), the other two being n-pentane and isopentane. Out of these three, it is the only one to be a gas at standard conditions; the others are liquids.
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