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
Wichtige Dokumente
230553
Natriumethoxid -Lösung
21 wt. % in ethanol
Synonym(e):
Natriumethylat -Lösung
About This Item
Empfohlene Produkte
Qualität
for analytical purposes
Qualitätsniveau
Form
liquid
Konzentration
21 wt. % in ethanol
Brechungsindex
n20/D 1.385
Dichte
0.868 g/mL at 25 °C
SMILES String
[Na+].CC[O-]
InChI
1S/C2H5O.Na/c1-2-3;/h2H2,1H3;/q-1;+1
InChIKey
QDRKDTQENPPHOJ-UHFFFAOYSA-N
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Verwandte Kategorien
Allgemeine Beschreibung
Signalwort
Danger
H-Sätze
Gefahreneinstufungen
Aquatic Chronic 3 - Eye Dam. 1 - Flam. Liq. 2 - Self-heat. 1 - Skin Corr. 1A - STOT SE 2
Zielorgane
Eyes,Central nervous system
Zusätzliche Gefahrenhinweise
Lagerklassenschlüssel
4.2 - Pyrophoric and self-heating hazardous materials
WGK
WGK 1
Flammpunkt (°F)
48.2 °F - closed cup
Flammpunkt (°C)
9 °C - closed cup
Persönliche Schutzausrüstung
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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.
EU REACH Annex XVII (Restriction List)
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How is shipping temperature determined? And how is it related to the product storage temperature?
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
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.pdfHelpful?
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Hi! What is the density of the solution?
1 answer-
The density of the solution is 0.868 g/mL at 25 °C as specified in the "Properties" section of the product page.
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