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D151602

Sigma-Aldrich

2,3-Dimethylbutane

98%

Sinónimos:

Diisopropyl

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100 ML
US$ 220,00
500 ML
US$ 753,00

US$ 220,00

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100 ML
US$ 220,00
500 ML
US$ 753,00

About This Item

Fórmula lineal:
(CH3)2CHCH(CH3)2
Número de CAS:
79-29-8
Peso molecular:
86.18
Beilstein:
1730737
Número CE:
201-193-6
Número MDL:
MFCD00008925
Código UNSPSC:
12352100
ID de la sustancia en PubChem:
24893466
NACRES:
NA.22

US$ 220,00

PRECIOS SIN IMPUESTOS NACIONALES

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densidad de vapor

3 (vs air)

Nivel de calidad

100

presión de vapor

4.54 psi ( 25.0 °C)(lit.)

Ensayo

98%

Formulario

liquid

temp. de autoignición

788 °F

lim. expl.

~7.7 %

índice de refracción

n20/D 1.375 (lit.)

bp

58 °C (lit.)

mp

−129 °C (lit.)

densidad

0.662 g/mL at 25 °C (lit.)

cadena SMILES

CC(C)C(C)C

InChI

1S/C6H14/c1-5(2)6(3)4/h5-6H,1-4H3

Clave InChI

ZFFMLCVRJBZUDZ-UHFFFAOYSA-N

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Descripción general

2,3-Dimethylbutane can can undergo hydrogenolysis over supported catalysts of ruthenium, nickel, cobalt, and iron to form smaller hydrocarbons, mainly methane.[1]

Aplicación

  • Synthesis, structure, and properties of the condensation product of hexaoxocyclohexane with 2, 3-bis (hydroxyamino)-2, 3-dimethylbutane: Discusses the chemical synthesis and structural analysis of a novel compound derived from hexaoxocyclohexane and 2,3-dimethylbutane (EV Tretyakov, AO Tkacheva, 2014).
  • Catalysts by design - Surface organometallic chemistry on oxide and metal for dehydrogenation of 2, 3-dimethylbutane: This paper details the development of a selective catalyst system for the dehydrogenation of 2,3-dimethylbutane, emphasizing the stability and efficiency of the catalyst (P Rouge, A Garron, S Norsic, C Larabi, N Merle, 2019).

Palabra de señalización

Danger

Frases de peligro

H225,H304,H315,H336,H411

Clasificaciones de peligro

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

Órganos de actuación

Respiratory system

Código de clase de almacenamiento

3 - Flammable liquids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

-20.2 °F - closed cup

Punto de inflamabilidad (°C)

-29 °C - closed cup

Equipo de protección personal

Eyeshields, Faceshields, Gloves

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Certificados de análisis (COA)

Lot/Batch Number
SHBS2218
SHBS4372
SHBR3532
SHBP3950
SHBN9358

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Hydrogenolysis of 2,3-dimethylbutane on supported ruthenium, nickel, cobalt, and iron.
Machiels CJ & Anderson RB
J. Catal., 58(2), 260-267 (1979)
Diffusion of benzene, toluene, naphthalene, and phenanthrene in supercritical dense 2, 3?dimethylbutane.
Sun CKJ & Chen SH
AIChE Journal, 31(11), 1904-1910 (1985)
Gas hydrate equilibria of 2, 3-Dimethylbutane and benzene with methane and nitrogen.
?stergaard KK, et al.
Chemical Engineering Research and Design, 78(5), 731-737 (2000)
Kinetic study of the photochlorination of 2, 3-dimethylbutane and other alkanes in solution in the presence of benzene. First measurements of the absolute rate constants for hydrogen abstraction by the" free" chlorine atom and the chlorine atom-benzene. pi.-complex. Identification of these two species as the only hydrogen abstractors in these systems.
Bunce NJ, et al.
Journal of the American Chemical Society, 107(19), 5464-5472 (1985)
Kinetics of C~ 6H~ 5 Radical Reactions with 2-Methylpropane, 2, 3-Dimethylbutane and 2, 3, 4-Trimethylpentane.
Park J, et al.
International Journal of Chemical Kinetics, 31(9), 645-653 (1999)
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Questions

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  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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