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60591

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Kalium-tetrakis-(4-chlorphenyl)-borat

for ion-selective electrodes, Selectophore™, ≥98.0%

Synonym(e):

Tetrakis-(4-chlorphenyl)-borkalium

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100 MG
CHF 45.10
1 G
CHF 244.00
5 G
CHF 762.00

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100 MG
CHF 45.10
1 G
CHF 244.00
5 G
CHF 762.00

About This Item

Lineare Formel:
(ClC6H4)4BK
CAS-Nummer:
14680-77-4
Molekulargewicht:
496.11
Beilstein:
4117827
EG-Nummer:
238-723-0
MDL-Nummer:
MFCD00043105
UNSPSC-Code:
26111700
PubChem Substanz-ID:
329759093
NACRES:
NB.61

CHF 45.10

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Qualität

for ion-selective electrodes

Qualitätsniveau

200

Produktlinie

Selectophore™

Assay

≥98.0% (AT)
≥98.0%

Form

solid

SMILES String

[K+].Clc1ccc(cc1)[B-](c2ccc(Cl)cc2)(c3ccc(Cl)cc3)c4ccc(Cl)cc4

InChI

1S/C24H16BCl4.K/c26-21-9-1-17(2-10-21)25(18-3-11-22(27)12-4-18,19-5-13-23(28)14-6-19)20-7-15-24(29)16-8-20;/h1-16H;/q-1;+1

InChIKey

SAGICZRAKJSWLD-UHFFFAOYSA-N

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Allgemeine Beschreibung

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Anwendung

Potassium tetrakis(4-chlorophenyl)borate was used as lipophilic anionic site in constructing fluorescent optode for sodium.[1] It was also used as coating for the piezoelectric crystal in quantifying Potassium using quartz crystal microbalance.[2]

Verpackung

Bottomless glass bottle. Contents are inside inserted fused cone.

Rechtliche Hinweise

Selectophore is a trademark of Merck KGaA, Darmstadt, Germany

Piktogramme

Skull and crossbones
GHS06

Signalwort

Danger

H-Sätze

H301

Gefahreneinstufungen

Acute Tox. 3 Oral

Lagerklassenschlüssel

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

dust mask type N95 (US), Eyeshields, Gloves

Hier finden Sie alle aktuellen Versionen:

Analysenzertifikate (COA)

Lot/Batch Number
BCCM4728
BCCK3774
BCCJ3954
BCCJ6926
BCCF8665

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Slide 1 of 4

1 of 4

Calcium-Ionophor II Selectophore™, function tested

Supelco

21193

Calcium-Ionophor II

Calcium-Ionophor I Selectophore™, for ion-selective electrodes, function tested, ≥99.0%

Supelco

21192

Calcium-Ionophor I

Dioctyl sebacate AldrichCPR

Sigma-Aldrich

CDS000559

Dioctyl sebacate

Natrium-Ionophor X for ion-selective electrodes, Selectophore™, function tested

Supelco

71747

Natrium-Ionophor X

Hacer Esra Kabak et al.
Journal of fluorescence, 29(3), 549-567 (2019-03-29)
Correct measurement of the pH in highly acidic environments is still a challenge. In such conditions most of the pH indicators suffer from instability in air or leaching from host matrices due to the solubility considerations. In this work, two
Larisa Lvova et al.
Sensors (Basel, Switzerland), 21(4) (2021-03-07)
The metalloporphyrin ligand bearing incorporated anion-exchanger fragment, 5-[4-(3-trimethylammonium)propyloxyphenyl]-10,15,20-triphenylporphyrinate of Co(II) chloride, CoTPP-N, has been tested as anion-selective ionophore in PVC-based solvent polymeric membrane sensors. A plausible sensor working mechanism includes the axial coordination of the target anion on ionophore metal
X Yang et al.
Talanta, 52(6), 1033-1039 (2008-10-31)
A fluorescent optode membrane for sodium ion that works on the basis of a cation-exchange mechanism has been developed. The plasticized poly(vinyl chloride) (PVC) membrane incorporating sodium-selective ionophore (4-tert-butylcalix[4]arene tetraacetic acid tetraethyl ester), acidic fluorescent pH indicator (5,10,15,20-tetraphenylporphine, TPP) and
R C Thomas et al.
Pflugers Archiv : European journal of physiology, 390(1), 96-98 (1981-04-01)
We have developed a filling solution for silanised microelectrodes consisting of potassium tetrakis (p-chlorophenyl) borate in octanol. Microelectrodes filled with this reference liquid ion-exchanger (RLIE) have equal selectivities to Na and K, and give the same membrane potential as do
Mark R Rheault et al.
The Journal of experimental biology, 207(Pt 12), 2173-2184 (2004-05-15)
Transport of the prototypical organic cation tetraethylammonium (TEA) by the Malpighian tubules, ureters and gut of Drosophila melanogaster was studied using two novel electrophysiological techniques. Both techniques exploited the high selectivity of the cation exchanger potassium tetra-p-chlorophenylborate for tetraalkylammonium compounds
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Questions

1–2 of 2 Questions  

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

    1 answer

    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 answer

    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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