lithium(1+) ion hydride

• ChemBase ID: 128081
• Molecular Formular: Li+
• Molecular Mass: 6.941
• Monoisotopic Mass: 7.01600455
• SMILES: [Li+]
• Canonical SMILES: [Li+]
• InChI: InChI=1S/Li/q+1
• InChIKey: HBBGRARXTFLTSG-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: lithium(1+) ion hydride
• IUPAC Traditional name: lithium(1+) ion hydride
• Synonyms: Lithium hydride; Lithium hydride; 氢化锂

Database IDs

• CAS Number: 7580-67-8
• EC Number: 231-484-3
• MDL Number: MFCD00011074
• Merck Index: 145533
• PubChem SID: 162222396
• PubChem CID: 62714
• Chemspider ID: 56460
• Wikipedia Title: Lithium_hydride

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• Molar Refractivity: 0.0 cm^3
• Polarizability: 0.394384 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: false

PROPERTIES

Physical Property

• Solubility: reacts in water
• Apperance: colorless to gray solid; Powder
• Melting Point: 686°C; 688.7 °C; 688°C
• Boiling Point: decomposes at 900–1000 °C
• Auto Ignition Point: 200 °C
• Density: 0.78; 0.78 g/cm^3
• Refractive Index: 1.9847
• Heat Capacity: 3.51 J/(g·K)
• Std enthalpy of formation: -11.39 kJ/g

Safety Information

• Storage Warning: Moisture Sensitive
• RTECS: OJ6300000
• European Hazard Symbols: Flammable (F); Toxic (T)
• UN Number: UN1414
• Hazard Class: 4.3
• Packing Group: I
• Risk Statements: 14/15-23-34
• Safety Statements: 26-36/37/39-43-45
• TSCA Listed: 是
• EU Index: Not listed
• GHS Pictograms: GHS02; GHS05; GHS06
• NFPA704:
  

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• GHS Hazard statements: H260-H331-H314-H318
• GHS Precautionary statements: P280-P303+P361+P353-P305+P351+P338-P310-P370+P378I-P402+P404

Product Information

• Purity: 97+%; 99.4% (metals basis)

REFERENCES

• Used for preparation of anhydrous Li salts of carboxylic acids prior to reaction with organothium reagents (most often methyl or phenyl) as a useful route to ketones. For a comprehensive review of this method, see: Org. React., 18, 1 (1970). For an example (cyclohexyl methyl ketone), see: Org. Synth. Coll., 5, 775 (1973).
• For preparation of LiCN by reaction with acetone cyanohydrin, see: Org. Synth. Coll., 7, 517 (1990).
• A procedure for activation involves treatment with TMS chloride and a catalytic amount of Zn or a Zn salt. This reagent will reduce a ketone to the TMS ether of the alcohol: J. Org. Chem., 59, 217 (1994).