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B59500

Sigma-Aldrich

2-Bromobutane

98%

Sinónimos:

sec-Butyl bromide

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About This Item

Fórmula lineal:
CH3CH2CHBrCH3
Número de CAS:
78-76-2
Peso molecular:
137.02
Beilstein:
505949
Número CE:
201-140-7
Número MDL:
MFCD00000156
Código UNSPSC:
12352100
ID de la sustancia en PubChem:
24891883
NACRES:
NA.22
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Ensayo

98%

Formulario

liquid

índice de refracción

n20/D 1.437 (lit.)

bp

91 °C (lit.)

densidad

1.255 g/mL at 25 °C (lit.)

cadena SMILES

CCC(C)Br

InChI

1S/C4H9Br/c1-3-4(2)5/h4H,3H2,1-2H3

Clave InChI

UPSXAPQYNGXVBF-UHFFFAOYSA-N

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Descripción general

2-Bromobutane is an alkyl halide. Degradation of 2-bromobutane by reductive dehalogenation in the presence of nickel-aluminum alloy in potassium hydroxide solution has been reported.[1] Gas chromatographic determination of 2-bromobutane in mixture of alkyl bromides has been reported.[2] Stereochemistry of dehydrobromination of 2-bromobutane over KOH-silica has been investigated.[3]
Viscosities of binary mixtures of 2-bromobutane and the isomeric forms of butanol have been evaluated at 298.15 and 313.15K.[4] 2,2-dibromobutane, meso-2,3-dibromobutane and dl-2,3-dibromobutane are formed as major photobromination reaction products, during its reaction with molecular bromine. Smaller yields of 1,2-dibromobutane and 2,2,3-tribromobutane are also obtained in this reaction.[5]

Aplicación

2-Bromobutane may be used in the synthesis of series of non-nucleosides.[6]

Aplicación

Referencia del producto
Descripción
Precios

Pictogramas

Flame
GHS02

Palabra de señalización

Danger

Frases de peligro

H225,H412

Clasificaciones de peligro

Aquatic Chronic 3 - Flam. Liq. 2

Código de clase de almacenamiento

3 - Flammable liquids

Clase de riesgo para el agua (WGK)

WGK 2

Punto de inflamabilidad (°F)

69.8 °F - closed cup

Punto de inflamabilidad (°C)

21 °C - closed cup

Equipo de protección personal

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

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Certificados de análisis (COA)

Lot/Batch Number
STBL4191
STBL2816
STBL0099
STBK6015
STBJ2088

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Photobromination of (-)-(2R)-2-bromobutane with bromine-81.
Tanner DD, et al.
Journal of the American Chemical Society, 99(8), 2714-2723 (1977)
Selective Reactivity in Gas-Liqiud Chromatography. Determination of 2-Bromobutane and 1-Bromo-2-methylpropane.
Harris WE and McFadden WH.
Analytical Chemistry, 31(1), 114-117 (1959)
Viscosities of binary mixtures of 2-bromobutane and 2-bromo-2-methylpropane with isomeric butanols at 298.15 and 313.15 K.
Artigas H, et al.
International Journal of Thermophysics, 23(6), 1455-1468 (2002)
STEREOCHEMISTRY AND ISOTOPE EFFECT IN THE DEHYDROBROMINATION OF 2-BROMOBUTANE OVER SOLID CATALYSTS.
Misono M and Yoneda Y.
Chemistry Letters (Jpn), 1(7), 551-552 (1972)
Khalid Mohammed Hassan Hilmy
Archiv der Pharmazie, 339(4), 174-181 (2006-04-06)
A series of non-nucleosides 9-47 were synthesized. Compounds 1-4 were reacted with formic acid (85%) to afford compounds 5-8. Then, the latter compounds were reacted with alkyl halides a-f (2-bromopropane, 2-bromobutane, benzyl bromide, benzyl chloromethyl ether, chloromethyl ethyl ether, phenacyl
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Chromatograms

suitable for GC

Questions

1–2 of 2 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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