cas 10081-39-7, 2,6-DIPHENYL-4-(2,4,6-TRIPHENYL-1-PYRIDINIO)PHENOLATE

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THE POLARITY OF ALCOHOLIC ELECTROLYTE SOLUTIONS. A SYSTEMATIC STUDY
The ET(30) polarity values of alcoholic salt solutions were determined for twenty salt/solvent combinations.In all cases equation correlates accurately the medium polarity with the salt concentration.The meaning of this equation is discussed in terms of possible interactions in solution.The dye (1) is shown to be a useful probe for the cationic environment of salts in solution.
Rezende, Marcos Caroli
p. 3513 - 3522
(1988)
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An anionic chromogenic sensor based on protonated Reichardt's pyridiniophenolate
An anionic sensor based on Reichardt's betaine is described here. The dye is blue-green in chloroform but becomes colorless under protonation. Increasing amounts of different anions were added into the solution of the protonated dye. The addition of F- and H 2 PO4- caused the reappearance of the original blue-green color, while the addition of I- made the solution of the protonated dye yellow. The observations are discussed based on the fact that F- and H 2 PO4- can act as bases accepting a proton from the protonated dye and also in relation to the formation of a complex between the protonated dye and iodide.
Reis, Dalci C.,Machado, Clodoaldo,Machado, Vanderlei G.
p. 9339 - 9342
(2006)
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An Improved Synthesis of the Solvatochromic Dye ET-30
An improved synthesis of the well-known dye ET-30, which is used as a standard for the characterization of solvent polarity, using easily available starting materials is described.
Kessler, Manfred A.,Wolfbeis, Otto S.
p. 635 - 636
(1988)
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The positive halochromism of phenolate dyes in hydroxylic solutions of tetraalkylammonium cations
By contrast with the negative halochromic behaviour shown by phenolate betaines in the presence of alkaline and alkaline-earth cations, the addition of tetraalkylammonium salts to hydroxylic solutions of these dyes generate bathochromic shifts of their charge-transfer band. This positive halochromic behaviour by organic cations was examined systematically and its origin rationalized by nonspecific changes of the medium permittivity, and by specific dye-cation interactions in solution.
Rezende, Marcos Caroli,Dominguez, Moisés,Aracena, Andrés
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p. 61 - 66
(2012/03/07)

Chemical Properties

Appearance/Colour :black-violet glittering crystals
Melting Point: 271-275 °C(lit.)
Boiling Point: °Cat760mmHg
Flash Point:°C
Density: g/cm³
Solubility:Chloroform (Slightly), Ethyl Acetate (Slightly, Sonicated)
Storage Temp.:Hygroscopic, -20°C Freezer, Under inert atmosphere
BRN: 1444580
PSA: 26.94000
LogP: 10.44210

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Article Database

10081-39-7

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Chemical Properties

Appearance/Colour :black-violet glittering crystals

Melting Point: 271-275 °C(lit.)

Boiling Point: °Cat760mmHg

Flash Point:°C

Density: g/cm³

Solubility:Chloroform (Slightly), Ethyl Acetate (Slightly, Sonicated)

Storage Temp.:Hygroscopic, -20°C Freezer, Under inert atmosphere

BRN: 1444580

PSA: 26.94000

LogP: 10.44210

Global suppliers and manufacturers of 10081-39-7total 42 suppliers on LookChem

Article Database

10081-39-7

Articles about 10081-39-7Total 4 be found

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Chemical Properties

Appearance/Colour :black-violet glittering crystals

Melting Point: 271-275 °C(lit.)

Boiling Point: °Cat760mmHg

Flash Point:°C

Density: g/cm3

Solubility:Chloroform (Slightly), Ethyl Acetate (Slightly, Sonicated)

Storage Temp.:Hygroscopic, -20°C Freezer, Under inert atmosphere

BRN: 1444580

PSA: 26.94000

LogP: 10.44210

Global suppliers and manufacturers of 10081-39-7total 42 suppliers on LookChem

Density: g/cm³