702722
Potassium bis(trimethylsilyl)amide solution
1 M in THF
Synonym(s):
KHMDS, Hexamethyldisilazane potassium salt solution, Potassium hexamethyldisilazide solution
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About This Item
Linear Formula:
[(CH3)3Si]2NK
CAS Number:
Molecular Weight:
199.48
UNSPSC Code:
12352111
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
4006754
Concentration:
1 M in THF
Form:
liquid
vapor density
3.2 (vs air)
Quality Level
form
liquid
concentration
1 M in THF
density
0.915 g/mL at 25 °C
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
Application
Potassium bis(trimethylsilyl)amide solution (1 M in THF) has been used as an anionic initiator in the polymerization of polyethylene oxide(PEO).
Packaging
The 25 mL Sure/Seal™ bottle is recommended as a single-use bottle. Repeated punctures will likely result in decreased performance of product.
Legal Information
Sure/Seal is a trademark of Sigma-Aldrich Co. LLC
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Danger
Hazard Classifications
Acute Tox. 4 Oral - Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B - STOT SE 3
target_organs
Central nervous system, Respiratory system
supp_hazards
Storage Class
3 - Flammable liquids
wgk
WGK 3
flash_point_f
-2.0 °F
flash_point_c
-18.9 °C
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
Regulatory Information
危险化学品
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Highly stable multi-anchored magnetic nanoparticles for optical imaging within biofilms
Stone R C
Journal of Colloid and Interface Science, 459, 175-182 (2015)
Jerry Isaacson et al.
Angewandte Chemie (International ed. in English), 48(10), 1845-1848 (2009-01-29)
(-)-Dysibetaine has been synthesized in 11 steps from readily available L-malic acid (see scheme). The key step is a unique Ugi 4-center-3-component cyclization reaction, where an ester group acts as the carboxylic acid component. The use of 1,1,1,3,3,3-hexamethyldisilazane as an
Hexamethyldisilazane-mediated controlled polymerization of alpha-amino acid N-carboxyanhydrides.
Hua Lu et al.
Journal of the American Chemical Society, 129(46), 14114-14115 (2007-10-30)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 702722-500ML | 04061832821184 |
| 702722-4X25ML | 04061832821177 |
| 702722-100ML | 04061832821122 |