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
86262
2-Methyl-2-butene
≥95.0% (GC)
Sinonimo/i:
β-Isoamylene, Amylene
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About This Item
Prodotti consigliati
Densità del vapore
2.4 (vs air)
Saggio
≥95.0% (GC)
Stato
liquid
Limite di esplosione
8.7 %
Indice di rifrazione
n20/D 1.385 (lit.)
n20/D 1.388
P. ebollizione
35-38 °C (lit.)
Punto di fusione
−134 °C (lit.)
Densità
0.662 g/mL at 25 °C (lit.)
Stringa SMILE
C\C=C(\C)C
InChI
1S/C5H10/c1-4-5(2)3/h4H,1-3H3
BKOOMYPCSUNDGP-UHFFFAOYSA-N
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Categorie correlate
Descrizione generale
[5]2-methyl-2-butene undergoes ultraviolet irradiation, leading to the formation of trimethylene oxides.[6]
Applicazioni
Avvertenze
Danger
Indicazioni di pericolo
Consigli di prudenza
Classi di pericolo
Acute Tox. 4 Oral - Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 1 - Muta. 2 - STOT SE 3
Organi bersaglio
Central nervous system
Codice della classe di stoccaggio
3 - Flammable liquids
Classe di pericolosità dell'acqua (WGK)
WGK 3
Punto d’infiammabilità (°F)
-4.0 °F
Punto d’infiammabilità (°C)
-20 °C
Dispositivi di protezione individuale
Eyeshields, Faceshields, Gloves
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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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