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128910

Sigma-Aldrich

N,O-Bis(trimethylsilyl)acetamide

synthesis grade, ≥95%

Sinonimo/i:

BSA

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10 ML
CHF 52.90
25 ML
CHF 57.90
100 ML
CHF 111.00
1 L
CHF 580.00

CHF 52.90

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Cambia visualizzazione
10 ML
CHF 52.90
25 ML
CHF 57.90
100 ML
CHF 111.00
1 L
CHF 580.00

About This Item

Formula condensata:
CH3C[=NSi(CH3)3]OSi(CH3)3
Numero CAS:
10416-59-8
Peso molecolare:
203.43
Beilstein:
1306669
Numero CE:
233-892-7
Numero MDL:
MFCD00008270
Codice UNSPSC:
12352103
ID PubChem:
24847878
NACRES:
NA.22

CHF 52.90

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Grado

synthesis grade

Livello qualitativo

100

Saggio

≥95%

Stato

liquid

Indice di rifrazione

n20/D 1.417 (lit.)

P. ebollizione

71-73 °C/35 mmHg (lit.)

Densità

0.832 g/mL at 20 °C (lit.)

Gruppo funzionale

amine

Stringa SMILE

C\C(O[Si](C)(C)C)=N/[Si](C)(C)C

InChI

1S/C8H21NOSi2/c1-8(9-11(2,3)4)10-12(5,6)7/h1-7H3/b9-8+
SIOVKLKJSOKLIF-CMDGGOBGSA-N

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Categorie correlate

Descrizione generale

N,O-Bis(trimethylsilyl)acetamide(BSA) is a powerful silylating agent for the protection of amides, amines, alcohols, carboxylic acids, enols and phenols. It can also be used as a Bronsted base precursor in Tsuji–Trost reactions. Additionally, it can be used to activate different functional groups during the production of nucleosides, peptides, and heterocycles.[1]

Applicazioni

Derivatization reagent for GC-MS analysis of phenolic acids in fruits.[2]
Reagent for the regioselective desulfation of polysaccharide sulfates.[3] Also used to prepare trimethylsilyl ethers of carbohydrates and alcohols.[4]

Caratteristiche e vantaggi

BSA is good moisture absorbent.[5]

Prodotti correlati

N° Catalogo
Descrizione
Determinazione del prezzo

Avvertenze

Danger

Indicazioni di pericolo

H226,H302,H314

Classi di pericolo

Acute Tox. 4 Oral - Flam. Liq. 3 - Skin Corr. 1B

Rischi supp

EUH014

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

111.2 °F - closed cup

Punto d’infiammabilità (°C)

44 °C - closed cup

Dispositivi di protezione individuale

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificati d'analisi (COA)

Lot/Batch Number
STBL0723
STBL2514
STBK4749
STBK4142
STBK1733

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N, O-Bis (trimethylsilyl) acetamide
Claraz A
Synlett, 24(5), 657-658 (2013)
Mohammad Saraji et al.
Journal of separation science, 29(9), 1223-1229 (2006-07-13)
A simple analytical procedure based on single-drop microextraction combined with in-syringe derivatization and GC-MS was developed for determination of some phenolic acids in fruits and fruit juices. Cinnamic acid, o-coumaric acid, caffeic acid, and p-hydroxybenzoic acid were used as model
Carbohydrate Research, 237, 313-313 (1992)
Solvent free synthesis of 3, 4-dihydropyrimidine-2-(1H)-ones/thiones catalyzed by N, O-bis (trimethylsilyl) acetamide and dicyclohexyl carbodimide
Murthy YLN, et al.
Arabian Journal of Chemistry, 9, S1740-S1746 (2016)
Anna Hjelm et al.
Applied and environmental microbiology, 81(2), 726-735 (2014-11-16)
Bacterial ghosts are empty cell envelopes of Gram-negative bacteria that can be used as vehicles for antigen delivery. Ghosts are generated by releasing the bacterial cytoplasmic contents through a channel in the cell envelope that is created by the controlled
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Questions

1–2 of 2 Questions  

  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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