Potassium phthalimide is a chemical compound of formula C8H4KNO2. It is the potassium salt of phthalimide, and usually presents as fluffy, very pale yellow crystals. It can be prepared by adding a hot solution of phthalimide in ethanol to a solution of potassium hydroxide in ethanol; the desired product precipitates.[1]
Identifiers | |
---|---|
3D model (JSmol)
|
|
ChemSpider | |
ECHA InfoCard | 100.012.770 |
PubChem CID
|
|
UNII | |
CompTox Dashboard (EPA)
|
|
| |
| |
Properties | |
C8H4KNO2 | |
Molar mass | 185.221 g/mol |
Appearance | Light yellow solid |
Melting point | > 300 °C (572 °F; 573 K) |
Soluble in water | |
Hazards | |
NFPA 704 (fire diamond) | |
Related compounds | |
Related compounds
|
Phthalimide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|
This compound is a commercially available reagent used in the Gabriel synthesis of amines.
References
edit- ^ P. L. Salzberg and J. V. Supniewski (1941). "β-Bromoethylphthalimide". Organic Syntheses; Collected Volumes, vol. 1, p. 119.