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220159

Sigma-Aldrich

2,3-Dimethyl-2-butene

≥99%

Sinónimos:

Tetramethylethylene

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25 ML
169,00 €
100 ML
546,00 €

169,00 €

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25 ML
169,00 €
100 ML
546,00 €

About This Item

Fórmula lineal:
(CH3)2C=C(CH3)2
Número de CAS:
563-79-1
Peso molecular:
84.16
Beilstein:
1361357
Número CE:
209-263-8
Número MDL:
MFCD00008897
Código UNSPSC:
12352100
ID de la sustancia en PubChem:
24853167
NACRES:
NA.22

169,00 €

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presión de vapor

215 mmHg ( 37.7 °C)

Nivel de calidad

100

Ensayo

≥99%

Formulario

liquid

temp. de autoignición

754 °F

índice de refracción

n20/D 1.412 (lit.)

bp

73 °C (lit.)

mp

−75 °C (lit.)

densidad

0.708 g/mL at 25 °C (lit.)

temp. de almacenamiento

2-8°C

cadena SMILES

C\C(C)=C(\C)C

InChI

1S/C6H12/c1-5(2)6(3)4/h1-4H3

Clave InChI

WGLLSSPDPJPLOR-UHFFFAOYSA-N

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Descripción general

2,3-Dimethyl-2-butene undergoes ozonolysis in dark to yield hydroxyl radical[1]. Reaction of ozone with 2,3-dimethyl 2-butene (DMB) has been investigated using a flow-tube interfaced to UV photoelectron spectrometer[2]. DMB forms adduct with thianthrene cation radical tetrafluoroborate at 0°C and -15°C[3].

Aplicación

2,3-Dimethyl-2-butene was employed as substrate in photoinduced molecular transformations involving 2-hydroxy-1,4-naphthoquinones[4].

Para utilizar con

Referencia del producto
Descripción
Precios

Pictogramas

FlameHealth hazard
GHS02,GHS08

Palabra de señalización

Danger

Frases de peligro

H225,H304

Consejos de prudencia

P210 - P301 + P310 + P331

Clasificaciones de peligro

Asp. Tox. 1 - Flam. Liq. 2

Código de clase de almacenamiento

3 - Flammable liquids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

17.6 °F - closed cup

Punto de inflamabilidad (°C)

-8 °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
SHBR8100
SHBN6703
SHBL0062
SHBH5043V
SHBH1200V

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Si necesita una versión concreta, puede buscar un certificado específico por el número de lote.

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The Journal of Organic Chemistry, 58, 4614-4614 (1993)
Bing-Jun Zhao et al.
The Journal of organic chemistry, 71(10), 3737-3742 (2006-05-06)
Thianthrene cation radical tetrafluoroborate (Th*+ BF4-) has been found to add to 2,3-dimethyl-2-butene (DMB) at 0 degrees C and -15 degrees C. The adduct, 2,3-dimethyl-2,3-(5,10-thianthreniumdiyl)butane ditetrafluoroborate (12), was isolated at -15 degrees C, and its 1H NMR spectrum was recorded
Maryline Pflieger et al.
Environmental science & technology, 47(12), 6239-6246 (2013-05-15)
In order to investigate the heterogeneous oxidation kinetics of the herbicide terbuthylazine (TERB), a stable and reproducible generation system of "dark" hydroxyl radical in the gas phase was developed and optimized using a PTR-MS. TERB was adsorbed on silica particles
P Di Mascio et al.
Free radical biology & medicine, 12(6), 471-478 (1992-01-01)
Ultraweak chemiluminescence arising from lipoperoxidation has been attributed by several authors to the radiative deactivation of singlet oxygen and triplet carbonyl products. The latter emitters have been suggested to come from annihilation of RO. and ROO. radicals as well as
Bert F Sels et al.
Journal of the American Chemical Society, 129(21), 6916-6926 (2007-05-10)
A heterogeneous catalyst containing MoO42- exchanged on layered double hydroxides (Mo-LDHs) is used to produce 1O2 from H2O2, and with this dark 1O2, unsaturated hydrocarbons are oxidized in allylic peroxides. The oxidation kinetics are studied in detail and are compared
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Preguntas

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

    1 respuesta

    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 respuesta

    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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