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Merck

80631

Sigma-Aldrich

Sodium bis(trimethylsilyl)amide solution

40% in THF

Sinónimos:

HMN-Na Sol, NaHMDS solution, Hexamethyldisilazane sodium salt solution

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About This Item

Fórmula lineal:
[(CH3)3Si]2NNa
Número de CAS:
Peso molecular:
183.37
Beilstein/REAXYS Number:
3629917
MDL number:
UNSPSC Code:
12352111
PubChem Substance ID:
NACRES:
NA.22

form

liquid

concentration

40% in THF

SMILES string

C[Si](C)(C)N([Na])[Si](C)(C)C

InChI

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

InChI key

WRIKHQLVHPKCJU-UHFFFAOYSA-N

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Application

  • Sodium bis(trimethylsilyl)amide, also known as NaHMDS, is a metal dialkylamide reagent that combines both high basicity and nucleophilicity. It is a general reagent used for the enolization of carbonyl compounds.
  • It can be used to prepare phosphonium ylides in Wittig reaction.
  • NaHMDS solution can also be used as a source of nitrogen in aminomethylation and in the synthesis of primary amines from the corresponding alkyl halides.

Other Notes

prices for bulk quantities on request

signalword

Danger

Hazard Classifications

Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B - STOT SE 3

target_organs

Respiratory system

supp_hazards

Storage Class

3 - Flammable liquids

wgk_germany

WGK 2

flash_point_f

1.4 °F - closed cup

flash_point_c

-17 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter


Certificados de análisis (COA)

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Visite la Librería de documentos

Sodium Hexamethyldisilazide.
Watson B T and Lebel H
e-EROS Encyclopedia of Reagents for Organic Synthesis. (2005)
(E)?Selective Wittig Reactions between a Nonstabilized Phosphonium Ylide Bearing a Phosphastibatriptycene Skeleton and Benzaldehydes.
Uchiyama Y, et al.
European Journal of Organic Chemistry, 2017(1), 159-174 (2017)
Eine einfache Synthese primarer Amine uber ihre N, N?Bis (trimethylsilyl)?Derivate.
Bestmann H J and Wolfel G
Chemische Berichte, 117(3), 1250-1254 (1984)
Silylated Amines II. A New, Highly Variable Amine Synthesis by the N,N-Bis(trimethylsilyl)aminomethylation of Grignard Compounds.
Bestmann H J, et al.
Synthesis, 1987(09), 848-850 (1987)
Regio and stereoselective preparation of enolates from ketones by means of sodium bis (trimethylsilyl)-azide.
Gaudemar M and Bellassoued M
Tetrahedron Letters, 30(21), 2779-2782 (1989)

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Dendrimers, polymer nanostructures, are synthesized for specific purposes by manipulating critical nanoscale design parameters (CNDPs).

Dendrimers, polymer nanostructures, are synthesized for specific purposes by manipulating critical nanoscale design parameters (CNDPs).

Dendrimers, polymer nanostructures, are synthesized for specific purposes by manipulating critical nanoscale design parameters (CNDPs).

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