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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
Wichtige Dokumente
79417
Phosphazen-Base P2-Et
≥98.0% (NT)
Synonym(e):
1-Ethyl-2,2,4,4,4-pentakis-(dimethylamino)-2λ5,4λ5-catenadi-(phosphazen), Tetramethyl-(tris-(dimethylamino)-phosphoranyliden)-phosphorictriamid-Et-imin
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About This Item
Empfohlene Produkte
Assay
≥98.0% (NT)
Form
liquid
Brechungsindex
n20/D 1.492 (lit.)
n20/D 1.492
bp
96 °C/0.05 mmHg (lit.)
Dichte
1.02 g/mL at at 25 °C (lit.)
1.02 g/mL at 25 °C (lit.)
Funktionelle Gruppe
amine
SMILES String
CCN=P(N=P(N(C)C)(N(C)C)N(C)C)(N(C)C)N(C)C
InChI
1S/C12H35N7P2/c1-12-13-20(15(2)3,16(4)5)14-21(17(6)7,18(8)9)19(10)11/h12H2,1-11H3
InChIKey
CFUKEHPEQCSIOM-UHFFFAOYSA-N
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Anwendung
This strong non-ionic base has the ability to catalyze a wide variety of organic transformations such as:
- Palladium-catalyzed cross-coupling reactions when used in combination with tBuXPhos or tBuBrettPhos G3 precatalysts.[2]
- Deprotonation of ortho-halobenzyl sulfones to generate α-sulfonyl benzylic carbanions.[3]
- Conversion of vinyl sufone to allyl sulfone.[4]
- α-Alkylation of 2-phenyl-2-oxazoline-4-carbonylcamphorsultam in the presence of tetrabutylammonium bromide.[5]
Signalwort
Danger
H-Sätze
Gefahreneinstufungen
Skin Corr. 1B
Lagerklassenschlüssel
8A - Combustible corrosive hazardous materials
WGK
WGK 3
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
Persönliche Schutzausrüstung
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
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Artikel
Phosphazene base reagents are available as monomeric (P1 and BEMP), dimeric (P2), and tetrameric (P4) bases with different side chains to control their sterical hindrance.
Verwandter Inhalt
Nicewicz lab focuses on reactive cation radical species for selective reactions, advancing synthesis methodologies for various functional groups.
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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?
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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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