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130079

Sigma-Aldrich

Methyltriphenylphosphonium bromide

98%

Synonyme(s) :

TPMP, Triphenylmethylphosphonium bromide, triphenylmethylphosphonium bromide

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25 G
31,10 €
100 G
87,00 €
500 G
212,00 €

31,10 €

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25 G
31,10 €
100 G
87,00 €
500 G
212,00 €

About This Item

Formule linéaire :
CH3P(C6H5)3Br
Numéro CAS:
1779-49-3
Poids moléculaire :
357.22
Beilstein:
3599467
Numéro CE :
217-218-9
Numéro MDL:
MFCD00011804
Code UNSPSC :
12352002
ID de substance PubChem :
24847941
Nomenclature NACRES :
NA.22

31,10 €

En stockDétails

Devis pour commande en gros

Niveau de qualité

200

Essai

98%

Forme

powder

Capacité de réaction

reaction type: C-C Bond Formation

Pf

230-234 °C (lit.)

Groupe fonctionnel

phosphine

Chaîne SMILES 

[Br-].C[P+](c1ccccc1)(c2ccccc2)c3ccccc3

InChI

1S/C19H18P.BrH/c1-20(17-11-5-2-6-12-17,18-13-7-3-8-14-18)19-15-9-4-10-16-19;/h2-16H,1H3;1H/q+1;/p-1

Clé InChI

LSEFCHWGJNHZNT-UHFFFAOYSA-M

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Application

Used widely for methylenation via the Wittig reaction
Wittig olefination salt employed recently in a synthesis of an enyne which, via ring closing metathesis, provided a benzazepine ring system.[1]

Pictogrammes

Skull and crossbonesEnvironment
GHS06,GHS09

Mention d'avertissement

Danger

Mentions de danger

H301,H411

Conseils de prudence

P273 - P301 + P310 + P330

Classification des risques

Acute Tox. 3 Oral - Aquatic Chronic 2

Code de la classe de stockage

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

>464.0 °F

Point d'éclair (°C)

> 240 °C

Équipement de protection individuelle

dust mask type N95 (US), Eyeshields, Gloves

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Certificats d'analyse (COA)

Lot/Batch Number
0000419159
0000419159
0000375302
0000375303
0000307102

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Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 46(5), 878-886 (2005-05-06)
Numerous new molecular targets for diseases are rapidly being identified and validated in the postgenomic era, urging scientists to explore novel techniques for accelerating molecular probe development. In this study, matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF-MS) was investigated as
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Metabolic rates of mammals presumably increased during the evolution of endothermy, but molecular and cellular mechanisms underlying basal metabolic rate (BMR) are still not understood. It has been established that mitochondrial basal proton leak contributes significantly to BMR. Comparative studies
M K Savage et al.
Archives of biochemistry and biophysics, 315(1), 142-152 (1994-11-15)
Treatment of isolated mitochondria with calcium and inorganic phosphate induces inner membrane permeability that is thought to be mediated through a non-selective, calcium-dependent pore. The inner membrane permeability results in the rapid efflux of small matrix solutes such as glutathione
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American journal of physiology. Regulatory, integrative and comparative physiology, 282(2), R372-R382 (2002-01-17)
Cells isolated from the hepatopancreas of estivating snails (Helix aspersa) have strongly depressed mitochondrial respiration compared with controls. Mitochondrial respiration was divided into substrate oxidation (which produces the mitochondrial membrane potential) and ATP turnover and proton leak (which consume it).
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Questions

1–2 sur 2 questions  

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

    1 réponse

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

    1 réponse

    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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