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317594

Sigma-Aldrich

Trimethylamine N-oxide

95%

Sinonimo/i:

TMANO

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1 G
CHF 69.80
5 G
CHF 148.00

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1 G
CHF 69.80
5 G
CHF 148.00

About This Item

Formula condensata:
(CH3)3N(O)
Numero CAS:
1184-78-7
Peso molecolare:
75.11
Numero CE:
214-675-6
Numero MDL:
MFCD00002048
Codice UNSPSC:
12352116
ID PubChem:
24859089
NACRES:
NA.22

CHF 69.80

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Saggio

95%

Impiego in reazioni chimiche

reagent type: oxidant

Punto di fusione

220-222 °C (lit.)

Gruppo funzionale

amine

Stringa SMILE

C[N+](C)(C)[O-]

InChI

1S/C3H9NO/c1-4(2,3)5/h1-3H3
UYPYRKYUKCHHIB-UHFFFAOYSA-N

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Categorie correlate

Descrizione generale

Trimethylamine N-oxide is an organic compound that belongs to the class of amine oxides. It is generally found in the tissues of marine organisms, wherein it helps protect them from harsh conditions like salinity, hydrostatic pressure, temperature, and high urea.[1]

Applicazioni

Trimethylamine N-oxide can be used:
  • As a demetallation[2] and decarbonylation[3][4] reagent for organometallic compounds.
  • To prepare azomethine ylide by reaction with lithium di-isopropylamide. This, in turn, may be reacted with simple alkenes to obtain corresponding pyrrolidines.[5]
  • To mediate the conversion of thiols to disulfides.[6]

Pittogrammi

Exclamation mark
GHS07

Avvertenze

Warning

Indicazioni di pericolo

H302 + H332

Classi di pericolo

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves

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Certificati d'analisi (COA)

Lot/Batch Number
SHBR6283
0000293120
SHBP3793
SHBN0643
SHBN1901

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Questions

1–4 of 4 Questions  

  1. 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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  2. 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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  3. What is the index of refraction of the solution?

    1 answer

    1. The refractive index is not determined for this product.

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  4. Is it possible to dissolve this in pH 7.4 PBS and keep it stored at -80 degrees for several months?

    1 answer

    1. Stability studies of TMAO solutions stored at -80°C have not been performed. It is generally recommended to prepare stock solutions fresh.

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