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Acetone | |
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Other names |
|
Identifiers | |
CAS number | 67-64-1 |
PubChem | 180 |
EC number | 200-662-2 |
KEGG | D02311 |
MeSH | Acetone |
ChEBI | CHEBI:15347 |
RTECS number | AL3150000 |
SMILES | CC(=O)C |
InChI=1/C3H6O/c1-3(2)4/h1-2H3 | |
Beilstein Reference | 635680 |
Gmelin Reference | 1466 |
3DMet | B00058 |
Properties | |
Molecular formula | C3H6O |
Molar mass | 58.07 g mol-1 |
Appearance | Colorless liquid |
Odor | Pungent, irritating, floral, cucumber like |
Density | 0.7845 g/cm3 (25 °C) |
Melting point | −94.7 °C, 178 K, -138 °F |
Boiling point | |
Solubility in water | Miscible |
Solubility | Miscible in benzene, diethyl ether, methanol, chloroform, ethanol |
log P | -0.16 |
Vapor pressure | |
Acidity (pKa) | |
−33.78·10−6 cm3/mol | |
Refractive index (nD) | 1.3588 (VD = 54.46) |
Viscosity | 0.295 mPa·s (25 °C) |
Structure | |
Coordination geometry | Trigonal planar at C2 |
Molecular shape | Dihedral at C2 |
Dipole moment | 2.91 D |
Thermochemistry | |
Std enthalpy of formation ΔfH | (−250.03) – (−248.77) kJ/mol |
Std enthalpy of combustion ΔcH | −1.772 MJ/mol |
Standard molar entropy S | 200.4 J/(mol·K) |
Specific heat capacity, C | 125.45 J/(mol·K) |
Hazards | |
NFPA 704 | |
Explosive limits | 2.6–12.8% |
U.S. Permissible exposure limit (PEL) | 1000 ppm (2400 mg/m3) |
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) |
Acetone, or propanone, is an organic compound with the chemical formula (CH3)2CO. This clear, mobile, easy-to-burn liquid is the simplest example of the ketones. Acetone can be mixed with water. It is an important solvent, often to clean things in the laboratory. Common uses of acetone in the home are as the active ingredient in nail polish remover and as paint thinner. It is a common building block in organic chemistry. view more...