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
T24503
Tetramethylurea
99%
Synonyme(s) :
1,1,3,3-Tetramethylurea, TMU
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About This Item
Produits recommandés
Essai
99%
Indice de réfraction
n20/D 1.451 (lit.)
pb
177 °C (lit.)
62-63 °C/12 mmHg (lit.)
Pf
−1 °C (lit.)
Densité
0.968 g/mL at 20 °C (lit.)
Chaîne SMILES
CN(C)C(=O)N(C)C
InChI
1S/C5H12N2O/c1-6(2)5(8)7(3)4/h1-4H3
Clé InChI
AVQQQNCBBIEMEU-UHFFFAOYSA-N
Informations sur le gène
human ... EPHX2(2053)
mouse ... Ephx2(13850)
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Catégories apparentées
Application
- Role of Tetramethylurea in Synthesizing Mesoporous Alumina: Tetramethylurea was used to synthesize mesoporous alumina via a hydrothermal method, affecting pore structure and thermal stability (Ghosh et al., 2014).
Mention d'avertissement
Danger
Mentions de danger
Conseils de prudence
Classification des risques
Acute Tox. 4 Oral - Eye Dam. 1 - Repr. 1B - Skin Irrit. 2
Code de la classe de stockage
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
Classe de danger pour l'eau (WGK)
WGK 3
Point d'éclair (°F)
167.0 °F - closed cup
Point d'éclair (°C)
75 °C - closed cup
Équipement de protection individuelle
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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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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