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Merck
CN

766941

Potassium bis(trimethylsilyl)amide solution

1.0 M in methyl tert-butyl ether

Synonym(s):

Hexamethyldisilazane potassium salt solution, Potassium hexamethyldisilazide solution

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About This Item

Linear Formula:
[(CH3)3Si]2NK
CAS Number:
40949-94-8
Molecular Weight:
199.48
UNSPSC Code:
12352111
NACRES:
NA.22
PubChem Substance ID:
329767272
MDL number:
MFCD00010330
Beilstein/REAXYS Number:
4006754

Key Documents

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Product Name

Potassium bis(trimethylsilyl)amide solution, 1.0 M in methyl tert-butyl ether

InChI

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

SMILES string

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

InChI key

IUBQJLUDMLPAGT-UHFFFAOYSA-N

vapor density

3.2 (vs air)

form

liquid

concentration

1.0 M in methyl tert-butyl ether

density

0.798 g/mL at 25 °C

Quality Level

100

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Application

Strong base for kinetically controlled deprotonations

pictograms

FlameCorrosion
GHS02,GHS05

signalword

Danger

hcodes

H225,H314

Hazard Classifications

Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B

supp_hazards

EUH014

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

<-22.0 °F

flash_point_c

< -30 °C

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
SHBN6748
SHBK6886
SHBJ1055
SHBH3823V
SHBD2717V

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Elsa Vennat et al.
Dental materials : official publication of the Academy of Dental Materials, 25(6), 729-735 (2009-01-29)
The objectives of this study were to assess demineralized dentin porosity and quantify the different porous features distribution within the material using mercury intrusion porosimetry (MIP) technique. We compared hexamethyldisilazane (HMDS) drying and lyophilization (LYO) (freeze-drying) in sample preparation. Fifty-six
Nur Hazlin Hazrin-Chong et al.
Journal of microbiological methods, 90(2), 96-99 (2012-05-09)
The use of hexamethyldisilazane (HMDS) as a drying agent was investigated in the specimen preparation for scanning electron microscopy (SEM) imaging of bacterial surface colonization on sub-bituminous coal. The ability of microbes to biofragment, ferment and generate methane from coal
Werner Mormann et al.
Macromolecular bioscience, 9(4), 369-375 (2008-11-26)
Trimethylsilylation of cellulose in different 1,3-dialkylimidazolium ionic liquids (IL) with hexamethyldisilazane (HMDS) as a silylating agent was investigated. Trimethylsilyl (TMSi) cellulose with a degree of substitution (DS) greater than 1 is insoluble in the IL. The maximum DS obtained depends
Haoyu Tang et al.
Biomacromolecules, 11(6), 1585-1592 (2010-05-15)
A series of poly(gamma-chloropropyl-L-glutamate) (PCPLG) with controlled polymer molecular weight (MW = 5-28 kg x mol(-1)) and molecular weight distribution (PDI = 1.16-1.26) have been prepared from hexamethyldisilazane (HMDS)-mediated ring-opening polymerization (ROP) of gamma-chloropropyl-L-glutamic acid based N-carboxylanhydride (CP-NCA). CD, FTIR
Juliana Tsz Yan Lee et al.
Scanning, 34(1), 12-25 (2012-04-26)
Common dehydration methods of cells on biomaterials for scanning electron microscopy (SEM) include air drying, hexamethyldisilazane (HMDS) or tetramethysilane (TMS) treatment and critical point drying (CPD). On the other side, freeze-drying has been widely employed in dehydrating biological samples and
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