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/418/501/product-dating-information-06-25-mk.pdf
Fortfahren mit
34852-M
Ethyl alcohol, pure
≥99.8%, suitable for HPLC, absolute
Umweltfreundlichere Alternative
Synonym(e):
Ethylalkohol
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Über diesen Artikel
Produktname
Ethanol, absolute, suitable for HPLC, ≥99.8%
vapor density
1.59 (vs air)
vapor pressure
44.6 mmHg ( 20 °C)
grade
absolute
assay
≥99.8%
form
liquid
autoignition temp.
683 °F
expl. lim.
19 %, 60 °F
greener alternative product characteristics
Safer Solvents and Auxiliaries
Learn more about the Principles of Green Chemistry.
technique(s)
HPLC: suitable
impurities
≤0.001% free acid (as CH3COOH), ≤0.001% non-volatile matter, ≤0.2% water (Karl Fischer), ≤1 ppb fluorescence (quinine) at 254 nm, ≤1 ppb fluorescence (quinine) at 365 nm
transmittance
210 nm, ≥20%, 225 nm, ≥50%, 240 nm, ≥80%, 260 nm, ≥98%
refractive index
n20/D 1.3600 (lit.)
pH
7 (20 °C, 10 g/L)
bp
78 °C (lit.)
mp
−114 °C (lit.)
format
neat
greener alternative category
SMILES string
CCO
InChI
1S/C2H6O/c1-2-3/h3H,2H2,1H3
InChI key
LFQSCWFLJHTTHZ-UHFFFAOYSA-N
General description
Application
- Herstellung von PANI/MnFe2O4 Nanokompositen-Dünnfilmen zur Untersuchung ihrer optischen Eigenschaften und ihres kapazitiven Verhaltens
- Herstellung von Extrakten von Andrographis paniculata für HPLC-Fingerprint-Analysen zur Untersuchung ihrer Zusammensetzung und biologischen Wirkungen
- Als mobile Phase für die HPLC-Auftrennung von Paritaprevir, Ritonavir und Ombitasvir in pharmazeutischen Dosierungsformen
- Zur Beurteilung der Antisolventeffekte von drei Lösungsmitteln, um den pharmazeutischen Wirkstoff (API) von Paracetamol und seine beiden während des Waschens ausgefällten Verunreinigungen zu quantifizieren.
Other Notes
Disclaimer
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Signalwort
Danger
Gefahrencodes
Sicherheitshinweise
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 2
Lagerklasse
3 - Flammable liquids
Flammpunkt (°F)
55.4 °F - closed cup
Flammpunkt (°C)
13 °C - closed cup
Zulassungslistungen
Zulassungslistungen werden hauptsächlich für chemische Produkte erstellt. Für nicht-chemische Produkte können hier nur begrenzte Angaben gemacht werden. Kein Eintrag bedeutet, dass keine der Komponenten gelistet ist. Es liegt in der Verantwortung des Benutzers, die sichere und legale Verwendung des Produkts zu gewährleisten.
64-17-5
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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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