POTASSIUM HEXAMETHYLDISILAZIDE, 11% in toluene, 0.5M

Product Code: SIP6890.0
CAS No: 40949-94-8
SDS Sheets: EU | US
COMMERCIAL
40949-94-8
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Quantity
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400 g
$171.00
2 kg
$538.00
15 kg
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Product data and descriptions listed are typical values, not intended to be used as specification.

  • Synonyms

    POTASSIUM BIS(TRIMETHYLSILYL)AMIDE
  • HMIS

    3-4-1-X
  • Molecular Formula

    C6H18KNSi2
  • Molecular Weight (g/mol)

    199.49
  • TSCA

    Yes (S)
    Significant New Use Restriction
  • Density (g/mL)

    0.877
  • Flash Point (˚C)

    4°C (39°F)
  • Melting Point (˚C)

    194-5°

Additional Properties

  • Hydrolytic Sensitivity

    8: reacts rapidly with moisture, water, protic solvents
  • Application

    Review of synthetic utility.1
    Sterically hindered base.2
    Anionic initiator for preparation of polyalkylene oxides.3

    Fieser

    F&F: Vol. 4, p 407; Vol. 10, p 38, p 326; Vol. 13, p 257; Vol. 16, p 282.

    Reference

    1. Handbook of Reagents for Organic Synthesis, Reagents for Silicon-Mediated Organic Synthesis, Fuchs, P. L. Ed., John Wiley and Sons, Ltd., 2011, p. 432-453.
    2. Es-Sayed, M. et al. Synlett 1992, 12, 962.
    3. Yokoyama, M. Bioconjugate Chem. 1992, 3, 275.

    Safety

  • Packaging Under

    Nitrogen