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
E7148
Alcohol etílico puro
≥95.0%, for molecular biology, 190 proof
Sinónimos:
Alcohol absoluto, Etanol, etanol no desnaturalizado
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About This Item
Productos recomendados
Nombre del producto
Alcohol etílico puro, 190 proof, for molecular biology
vapor density
1.59 (vs air)
Quality Level
type
for molecular biology
assay
≥95.0%
form
liquid
expl. lim.
3.1-27.7 %
greener alternative product characteristics
Safer Solvents and Auxiliaries
Use of Renewable Feedstocks
Learn more about the Principles of Green Chemistry.
sustainability
Greener Alternative Product
concentration
190 proof
pH
7.0 (20 °C, 10 g/L)
bp
78.3 °C
mp
-114 °C
density
0.816 g/mL at 25 °C
greener alternative category
, Aligned
InChI
1S/C2H6O/c1-2-3/h3H,2H2,1H3
InChI key
LFQSCWFLJHTTHZ-UHFFFAOYSA-N
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General description
Application
- La precipitación y la purificación de ácidos nucleicos y proteínas.
- Histología para preparar reactivos de tinción y decoloración. Deshidratación de los tejidos antes de la inclusión.
Other Notes
signalword
Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 2
Storage Class
3 - Flammable liquids
wgk_germany
WGK 1
flash_point_f
55.4 °F - closed cup
flash_point_c
13 °C - closed cup
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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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What is the expiration date of a bottle of Ethyl alcohol, pure (E7 148 - 500 mL) once it has been opened?
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This product does not contain an expiration date or recommended retest date. Products with no expiration date or recommended retest date should be routinely inspected by customers to ensure they perform as expected. These products are also subject to a one year warranty from the date of shipment. For more information you may access the "Product Dating Information" document under "ADDITIONAL USEFUL DOCUMENTS ABOUT OUR PRODUCTS" at the bottom of the Quality Services page with this link: https://www.sigmaaldrich.com/life-science/quality-and-regulatory-management/quality-services
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