Potassium hydride

• Catalog No.: L13266
• CAS Number: 7693-26-7
• M. F.: K+
• M. W.: 39.0983
• Purity: 30% w/w in mineral oil

SYNONYMS

• Title: 氢化钾
• IUPAC name: potassium hydride
• IUPAC Traditional name: potassium hydride

DATABASE IDS

• EC Number: 231-704-8
• CAS Number: 7693-26-7
• MDL Number: MFCD00011357

PROPERTIES

• Purity: 30% w/w in mineral oil
• Density: 1.45
• Flash Point: 160°C(320°F)
• GHS Hazard statements: H260-H314
• European Hazard Symbols: Corrosive (C)
• European Hazard Symbols: Flammable (F)
• GHS Precautionary statements: P231+P232-P260-P303+P361+P353-P305+P351+P338-P405-P501A
• Risk Statements: 14/15-34
• Safety Statements: 7/8-16-26-36/37/39-43-45
• Storage Warning: Moisture Sensitive
• TSCA Listed: 是
• Hazard Class: 4.3
• UN Number: UN1409
• Packing Group: I

REFERENCES

• Used catalytically to initiate deprotonation of a ketone with sodium hydride: Org. Synth. Coll ., 7, 351 (1990).
• Has been used to generate various bases by deprotonation; e.g. the highly-hindered bases potassium triethylmethoxide: Synthesis, 427 (1974), and potassium 2,6-di-t-butylphenoxide (see 2,6-Di-tert-butylphenol, A17244). For generation of the strong base potassium 3-aminopropylamide (KAPA), see 1,3-Diaminopropane, A11932.
• o-Alkynylanilines cyclize to indoles with KH in NMP; NaH is ineffective: Angew. Chem. Int. Ed., 39, 2488 (2000):