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403067

Sigma-Aldrich

Sodium methoxide solution

ACS reagent, 0.5 M CH3ONa in methanol (0.5N)

Sinonimo/i:

Sodium methylate

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100 ML
78,30 €
250 ML
186,00 €
800 ML
251,00 €
4 X 100 ML
252,00 €

78,30 €

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Cambia visualizzazione
100 ML
78,30 €
250 ML
186,00 €
800 ML
251,00 €
4 X 100 ML
252,00 €

About This Item

Formula condensata:
CH3ONa
Numero CAS:
124-41-4
Peso molecolare:
54.02
Beilstein:
3592982
Numero MDL:
MFCD00012179
Codice UNSPSC:
12352100
ID PubChem:
24865160
NACRES:
NA.21

78,30 €

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Grado

ACS reagent

Livello qualitativo

200

Stato

liquid

Concentrazione

0.5 M CH3ONa in methanol (0.5N)

Colore

, clarity of solution to pass

P. ebollizione

64.6 °C

Densità

0.809 g/mL at 25 °C

Stringa SMILE

[Na+].C[O-]

InChI

1S/CH3O.Na/c1-2;/h1H3;/q-1;+1
WQDUMFSSJAZKTM-UHFFFAOYSA-N

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Descrizione generale

Sodium methoxide solution is composed of 0.5M sodium methoxide in 0.5N methanol. It is a widely used organic base in organic synthesis.

Applicazioni

Sodium methoxide solution may be used in the following processes:
  • As a solvent in the synthesis of disulfides from corresponding thiols.[1]
  • To extract fatty acid methyl esters by transesterification process.[2]
  • Synthesis of (1R,2R,3R,7aS)-1,2-dibenzyloxy-3-tert-butyldiphenylsilyloxymethylpyrrolizidin-5-one.[3]

Avvertenze

Danger

Indicazioni di pericolo

H225,H301 + H311 + H331,H314,H370

Classi di pericolo

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1A - STOT SE 1

Organi bersaglio

Eyes,Central nervous system

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 2

Punto d’infiammabilità (°F)

51.8 °F - closed cup

Punto d’infiammabilità (°C)

11.0 °C - closed cup

Dispositivi di protezione individuale

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

Elenchi normativi

Forniamo informazioni su eventuali restrizioni prevalentemente per i prodotti chimici. Per altre tipologie di prodotto siamo in grado di fornire soltanto informazioni limitate. Nessuna segnalazione significa che nessuno dei componenti è citato in un elenco. È dovere dell’utilizzatore assicurarsi che il prodotto venga impiegato in maniera sicura e a norme di legge.

EU REACH Annex XVII (Restriction List)

CAS No.

Scegli una delle versioni più recenti:

Certificati d'analisi (COA)

Lot/Batch Number
SHBS5244
SHBR8015
SHBR2259
SHBQ7485
SHBP9948

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Domande

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

    1 risposta

    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

      Utile?

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

    1 risposta

    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

      Utile?

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