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POTASSIUM HEXAMETHYLDISILAZIDE, 20% in THF
Alternative Name: POTASSIUM BIS(TRIMETHYLSILYL)AMIDE
Specific Gravity: 0.898
Flashpoint: -14°C (7°F)
HMIS Key: 3-4-1-X
Hydrolytic Sensitivity: 8: reacts rapidly with moisture, water, protic solvents
Application: Sterically hindered base.1
Employed in the fluoroform trifluoromethylation of silanes, boranes, sulfur and non-enolizable ketones.2
Reference: 1. Es-Sayed, M. et al. Synlett 1992, 12, 962.
2. Prakash, G. K. S. et al. Science, 2012, 338, 1324.
Fieser: F&F: Vol. 4, p 407; Vol. 10, p 38, p 326; Vol. 13, p 257; Vol. 16, p 282.