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127566

Sigma-Aldrich

Bis(diphenylphosphino)methane

97%

Sinonimo/i:

DPPM, Methanediylbis[diphenylphosphine, Tetraphenylmethylenediphosphine, DPM, Methylenebis(diphenylphosphine)

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5 G
53,50 €
25 G
91,00 €

53,50 €

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5 G
53,50 €
25 G
91,00 €

About This Item

Formula condensata:
(C6H5)2PCH2P(C6H5)2
Numero CAS:
2071-20-7
Peso molecolare:
384.39
Beilstein:
758760
Numero CE:
218-194-2
Numero MDL:
MFCD00003537
Codice UNSPSC:
12352002
ID PubChem:
24847785
NACRES:
NA.22

53,50 €

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Livello qualitativo

100

Saggio

97%

Stato

solid

Impiego in reazioni chimiche

reagent type: ligand
reaction type: Heck Reaction
reagent type: ligand
reaction type: Suzuki-Miyaura Coupling

Punto di fusione

118-119 °C (lit.)

Gruppo funzionale

phosphine

Stringa SMILE

C(P(c1ccccc1)c2ccccc2)P(c3ccccc3)c4ccccc4

InChI

1S/C25H22P2/c1-5-13-22(14-6-1)26(23-15-7-2-8-16-23)21-27(24-17-9-3-10-18-24)25-19-11-4-12-20-25/h1-20H,21H2
XGCDBGRZEKYHNV-UHFFFAOYSA-N

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Categorie correlate

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)

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Certificati d'analisi (COA)

Lot/Batch Number
MKCT9264
MKCR7848
MKCP3093
MKCM9060
MKCH4256

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Domande

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 risposta

    1. 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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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 risposta

    1. 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

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