Acetophenone

From Sciencemadness Wiki
Jump to: navigation, search
Acetophenone
Names
IUPAC name
Acetophenone
Preferred IUPAC name
1-Phenylethan-1-one
Other names
Acetylbenzene
Methyl phenyl ketone
Phenylethanone
Properties
C8H8O
Molar mass 120.15 g/mol
Appearance Colorless solid (<20 °C) or liquid (>20 °C)
Odor Floral-like
Density 1.028 g/cm3
Melting point 19–20 °C (66–68 °F; 292–293 K)
Boiling point 202 °C (396 °F; 475 K)
0.55 g/100 ml (25 °C)
1.22 g/100 ml (80 °C)
Solubility Soluble in acetone, benzene, chloroform, diethyl ether, ethanol, glycerol, lipids
Slightly soluble in conc. sulfuric acid
Vapor pressure 0.397 mmHg at 25 °C
Hazards
Safety data sheet Sigma-Aldrich
Flash point 77 °C
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Acetophenone is an organic compound, the simplest aromatic ketone. It has the formula C6H5C(O)CH3.

Properties

Chemical

Acetophenone is the precursor used in the manufacturing of styrene.

Physical

Acetophenone is a colorless liquid at temperatures higher than room temperature and a solid at lower temperatures, making it an interesting chemical compound.

Availability

Can be bought from chemical suppliers.

In Canada it's classified as schedule VI, class A precursor. Purchasing requires an EUD.

Preparation

An accessible route involves the pyrolysis of a mixture of calcium acetate and calcium benzoate.

Projects

  • Nice smelling aromas
  • Make Biperiden

Handling

Safety

Acetophenone has low toxicity and its carcinogenicity hasn't been confirmed.

Storage

In closed bottles.

Disposal

Acetophenone should be mixed with a more flammable solvent and incinerated.

References

Relevant Sciencemadness threads