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M32631

Sigma-Aldrich

2-Methylbutane

2-Methylbutane

ReagentPlus®, ≥99%

Sinónimos:

Isopentane

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500 ML
$67.70
4 L
$240.00

$67.70

Disponible para envío el15 de abril de 2025Detalles

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500 ML
$67.70
4 L
$240.00

About This Item

Fórmula lineal:
CH3CH2CH(CH3)2
Número de CAS:
78-78-4
Peso molecular:
72.15
Beilstein:
1730723
Número CE:
201-142-8
Número MDL:
MFCD00009338
Código UNSPSC:
12191502
ID de la sustancia en PubChem:
329817967
NACRES:
NA.21
bp:
30 °C (lit.)

$67.70

Disponible para envío el15 de abril de 2025Detalles

Solicitar un pedido a granel

grado

reagent

Nivel de calidad

100

densidad de vapor

2.6 (vs air)

presión de vapor

11.17 psi ( 20 °C)

Línea del producto

ReagentPlus®

Ensayo

≥99%

Formulario

liquid

temp. de autoignición

788 °F

lim. expl.

8.3 %

dilution

(for general lab use)

índice de refracción

n20/D 1.354 (lit.)

bp

30 °C (lit.)

mp

-160 °C

densidad

0.62 g/mL at 25 °C (lit.)

temp. de almacenamiento

2-8°C

cadena SMILES

CCC(C)C

InChI

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

Clave InChI

QWTDNUCVQCZILF-UHFFFAOYSA-N

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Descripción general

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.

Aplicación

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.

Otras notas

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

Información legal

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

Palabra de señalización

Danger

Frases de peligro

H224,H304,H336,H411

Clasificaciones de peligro

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

Órganos de actuación

Central nervous system

Riesgos supl.

EUH066

Código de clase de almacenamiento

3 - Flammable liquids

Clase de riesgo para el agua (WGK)

WGK 2

Punto de inflamabilidad (°F)

-59.8 °F - closed cup

Punto de inflamabilidad (°C)

-51 °C - closed cup

Elija entre una de las versiones más recientes:

Certificados de análisis (COA)

Lot/Batch Number
SHBS7089
SDBB2220
SHBS4013
SHBR9711
SHBR9710

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Susanne Steu et al.
Virchows Archiv : an international journal of pathology, 452(3), 305-312 (2008-02-07)
Different methods for snap freezing surgical human tissue specimens exist. At pathology institutes with higher work loads, solid carbon dioxide, freezing sprays, and cryostat freezing are commonly used as coolants for diagnosing frozen tissue sections, whereas for tissue banking, liquid
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Chemistry (Weinheim an der Bergstrasse, Germany), 15(25), 6161-6168 (2009-05-14)
We have identified two intermediates in the autoxidation of NO*: ONOO*, which was detected by EPR spectroscopy at 295 K and atmospheric pressure in the gas phase, and ONOONO, a red substance produced at 113 K in 2-methylbutane. The red
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Questions

1–3 of 3 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

      Helpful?

  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

      Helpful?

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

    1 answer

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

      Helpful?

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