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โพรเพน

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โพรเพน

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Also known as dimethyl methane, n-propane, propyl hydride, CH3-CH2-CH3, E944, R-290, CARE-40, HC-290

thumb|A 20 lb () steel propane cylinder. This cylinder is fitted with an overfill prevention device (OPD) valve, as evidenced by the trilobular handwheel. Propane () is a three-carbon chain alkane with the molecular formula . It is a gas at standard temperature and pressure, but becomes liquid when compressed for transportation and storage. A by-product of natural gas processing and petroleum refining, it is often a constituent of liquefied petroleum gas (LPG), which is commonly used as a fuel in domestic and industrial applications and in low-emissions public transportation; other constituent

OverviewAI-generated

Propane is a chemical compound with the formula C₃H₈ and a molecular weight of 44.063. Its canonical SMILES notation is CCC, and it has an electric dipole moment of 0.084. The substance has a boiling point of -42.1 and a melting point of -306. It possesses a vapor pressure of 8.4 and a solubility of 0.01.

Physical properties include a speed of sound of 1158 and an ionization energy of 11.07. The standard molar entropy is 269.9, while the standard enthalpy of formation is -104680. Propane has a lower flammable limit of 2.1 and an upper flammable limit of 9.5. The immediately dangerous to life or health concentration is 3780, with a time-weighted average exposure limit of 1800.

Synthesized by Vinony from 32 facts across 4 sources: Wikidata, PubChem, PubMed, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.

Chemical data

Formula
C3H8
Molecular weight
44.1 g/mol
IUPAC name
propane
SMILES
CCC
InChIKey
ATUOYWHBWRKTHZ-UHFFFAOYSA-N
XLogP
1.8
Polar surface area
0 Ų
H-bond donors
0
H-bond acceptors
0
Formal charge
0

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โพรเพน · Vinony