324671

Sigma-Aldrich

Potassium bis(trimethylsilyl)amide

95%

Synonym(s):
Potassium hexamethyldisilazide, Hexamethyldisilazane potassium salt
Linear Formula:
[(CH3)3Si]2NK
CAS Number:
Molecular Weight:
199.48
Beilstein/REAXYS Number:
4006754
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

95%

SMILES string

C[Si](C)(C)N([K])[Si](C)(C)C

InChI

1S/C6H18NSi2.K/c1-8(2,3)7-9(4,5)6;/h1-6H3;/q-1;+1

InChI key

IUBQJLUDMLPAGT-UHFFFAOYSA-N

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Related Categories

Application

Anionic initiator used in the preparation of poly(ethylene oxide). Sterically hindered base employed in selective cyclization reactions. Also used in the preparation of lanthanide complexes.

Packaging

5, 25, 100 g in glass bottle

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Supp Hazards

EUH014

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

UN 3263 8 / PGIII

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Certificate of Origin

Synthesis of poly(ethylene oxide) with heterobifunctional reactive groups at its terminals by an anionic initiator.
M Yokoyama et al.
Bioconjugate chemistry, 3(4), 275-276 (1992-07-01)
Aeilke J Kamphuis et al.
ChemSusChem, 12(15), 3635-3641 (2019-05-01)
The development of new families of active and selective single-component catalysts based on earth-abundant metal is of interest from a sustainable chemistry perspective. In this context, anionic mono(formazanate) iron(II) complexes bearing labile halide ligands, which possess both Lewis acidic and...
The Journal of Organic Chemistry, 58, 6177-6177 (1993)
Organometallics, 11, 2003-2003 (1992)
Organometallics, 12, 2618-2618 (1993)

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