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
Wichtige Dokumente
B85307
Diacetyl
97%
Synonym(e):
2,3-Butandiol
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About This Item
Empfohlene Produkte
Dampfdichte
3 (vs air)
Qualitätsniveau
Dampfdruck
52.2 mmHg ( 20 °C)
Assay
97%
Form
liquid
Selbstzündungstemp.
345 °C
Brechungsindex
n20/D 1.394 (lit.)
bp
88 °C (lit.)
Dichte
0.981 g/mL (lit.)
Lagertemp.
2-8°C
SMILES String
CC(=O)C(C)=O
InChI
1S/C4H6O2/c1-3(5)4(2)6/h1-2H3
InChIKey
QSJXEFYPDANLFS-UHFFFAOYSA-N
Angaben zum Gen
human ... ACHE(43) , BCHE(590) , CES1(1066)
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Signalwort
Danger
Gefahreneinstufungen
Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 2 Inhalation
Zielorgane
Respiratory system
Lagerklassenschlüssel
3 - Flammable liquids
WGK
WGK 2
Flammpunkt (°F)
44.6 °F - closed cup
Flammpunkt (°C)
7 °C - closed cup
Persönliche Schutzausrüstung
Eyeshields, Faceshields, Gloves, Heavyweight Gloves, Safety Clothing, type ABEK (EN14387) respirator filter
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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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