potassium phthalimide
{{Chembox
| Verifiedfields = changed
| Watchedfields = changed
| verifiedrevid = 464212346
| ImageFile = Phthalimide Potassium V.1.svg
| ImageSize = 150px
|Section1={{Chembox Identifiers
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 10627162
| InChI = 1S/C8H5NO2.K/c10-7-5-3-1-2-4-6(5)8(11)9-7;/h1-4H,(H,9,10,11);/q;+1
| InChIKey = FYRHIOVKTDQVFC-UHFFFAOYAD
| InChI2 = 1S/C8H5NO2.K/c10-7-5-3-1-2-4-6(5)8(11)9-7;/h1-4H,(H,9,10,11);/q;+1/p-1
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChI = 1S/C8H5NO2.K/c10-7-5-3-1-2-4-6(5)8(11)9-7;/h1-4H,(H,9,10,11);/q;+1
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = FYRHIOVKTDQVFC-UHFFFAOYSA-N
| InChIKey1 = FYRHIOVKTDQVFC-UHFFFAOYSA-N
| CASNo_Ref = {{cascite|correct|CAS}}
| CASNo = 1074-82-4
| UNII_Ref = {{fdacite|changed|FDA}}
| UNII = X6KKA27DIL
| PubChem = 3356745
| SMILES = C1=CC=C2C(=C1)C(=O)[N-]C2=O.[K+]
}}
|Section2={{Chembox Properties
| Formula = C8H4KNO2
| MolarMass = 185.221 g/mol
| Appearance = Light yellow solid
| MeltingPt = >
| MeltingPtC = 300
| Solubility = Soluble in water
| Solvent = Methylene chloride
}}
|Section7={{Chembox Hazards
| NFPA-H = 2
| NFPA-F = 1
| NFPA-R = 0
}}
|Section8={{Chembox Related
| OtherCompounds = Phthalimide}}
}}
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.{{OrgSynth | title = β-Bromoethylphthalimide | collvol = 1 | collvolpages = 119 | prep = cv1p0119 | year = 1941 | author = P. L. Salzberg and J. V. Supniewski}}
This compound is a commercially available reagent used in the Gabriel synthesis of amines.
