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Ethanol | |
---|---|
Other names | Absolute alcohol alcohol cologne spirit drinking alcohol ethylic alcohol EtOH ethyl alcohol ethyl hydrate ethyl hydroxide ethylol grain alcohol hydroxyethane methylcarbinol |
Identifiers | |
CAS number | 64-17-5 |
PubChem | 702 |
DrugBank | DB00898 |
ChEBI | CHEBI:16236 |
SMILES | CCO |
InChI=1/C2H6O/c1-2-3/h3H,2H2,1H3 | |
Beilstein Reference | 1718733 |
Gmelin Reference | 787 |
3DMet | B01253 |
Properties | |
Molecular formula | C2H6O |
Molar mass | 46.06 g mol-1 |
Appearance | Colorless liquid |
Density | 0.7893 g/cm3 (at 20 °C) |
Melting point | −114.14 ± 0.03 °C, Expression error: Unrecognized punctuation character "±". K, Expression error: Unrecognized punctuation character "±". °F |
Boiling point | |
Solubility in water | miscible |
log P | −0.18 |
Vapor pressure | 5.95 kPa (at 20 °C) |
Acidity (pKa) | 15.9 (H2O), 29.8 (DMSO) |
−33.60·10−6 cm3/mol | |
Refractive index (nD) | 1.3611 |
Viscosity | 1.2 mPa·s (at 20 °C), 1.074 mPa·s (at 25 °C) |
Dipole moment | 1.69 D |
Hazards | |
NFPA 704 | |
Flash point | 14 °C (Absolute) |
U.S. Permissible exposure limit (PEL) | TWA 1000 ppm (1900 mg/m3) |
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) |
Ethanol, also known as ethyl alcohol, grain alcohol or just alcohol, is a flammable, colorless chemical compound. Its chemical formula is C2H5OH, also written as C2H6O. It is the active part of alcoholic drinks, which are drunk in most cultures worldwide. It is also used as a solvent because it can dissolve many other chemicals and is not very toxic. Yeast makes most of the ethanol that people use.
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