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M32631

Sigma-Aldrich

2-Methylbutane

2-Methylbutane

ReagentPlus®, ≥99%

Sinonimo/i:

Isopentane

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500 ML
48,40 €
1 L
82,90 €
2.5 L
156,00 €
4 L
231,00 €

48,40 €

Per informazioni sulla disponibilità, contatta il Servizio Clienti.
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Cambia visualizzazione
500 ML
48,40 €
1 L
82,90 €
2.5 L
156,00 €
4 L
231,00 €

About This Item

Formula condensata:
CH3CH2CH(CH3)2
Numero CAS:
78-78-4
Peso molecolare:
72.15
Beilstein:
1730723
Numero CE:
201-142-8
Numero MDL:
MFCD00009338
Codice UNSPSC:
12191502
ID PubChem:
329817967
NACRES:
NA.21

48,40 €

Per informazioni sulla disponibilità, contatta il Servizio Clienti.
Richiedi un ordine bulk

Densità del vapore

2.6 (vs air)

Livello qualitativo

100

Tensione di vapore

11.17 psi ( 20 °C)

Nome Commerciale

ReagentPlus®

Saggio

≥99%

Stato

liquid

Temp. autoaccensione

788 °F

Limite di esplosione

8.3 %

dilution

(for general lab use)

Indice di rifrazione

n20/D 1.354 (lit.)

P. ebollizione

30 °C (lit.)

Punto di fusione

-160 °C

Densità

0.62 g/mL at 25 °C (lit.)

Temperatura di conservazione

2-8°C

Stringa SMILE

CCC(C)C

InChI

1S/C5H12/c1-4-5(2)3/h5H,4H2,1-3H3
QWTDNUCVQCZILF-UHFFFAOYSA-N

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Descrizione generale

2-Methylbutane is a flammable and highly volatile aliphatic hydrocarbon used as a solvent in organic synthesis. It is also used to flash-freeze biological samples in conjunction with dry ice or liquid nitrogen.

Applicazioni

2-Methylbutane can be used as:      
  • A reactant to synthesize isoprene by a two-stage dehydrogenation process using chromia-alumina catalyst.     
  • A weakly polar solvent to study the intramolecular charge transfer (ICT) effect and the solvatochromic behavior of the pyrene substituted 1,3,4-oxadiazole derivatives.

Altre note

The article number M32631-4X1L will be discontinued. Please order the single bottle M32631-1L which is physically identical with the same exact specifications.

Note legali

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Avvertenze

Danger

Indicazioni di pericolo

H224,H304,H336,H411

Classi di pericolo

Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 1 - STOT SE 3

Organi bersaglio

Central nervous system

Rischi supp

EUH066

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 2

Punto d’infiammabilità (°F)

-59.8 °F - closed cup

Punto d’infiammabilità (°C)

-51 °C - closed cup

Scegli una delle versioni più recenti:

Certificati d'analisi (COA)

Lot/Batch Number
SHBS7089
SDBB2220
SHBS4013
SHBR9711
SHBR9710

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Domande

1–3 di 3 domande  

  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?

  3. Does 2-Methylbutane (Isopentane) degrade when stored at room temperature?

    1 risposta

    1. No testing has been conducted to determine how temperature affects reagent stability.

      Utile?

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