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27086

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Chromoionophore I

Selectophore

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Synonym(s):
3-Octadecanoylimino-7-(diethylamino)-1,2-benzophenoxazine, 9-(Diethylamino)-5-(octadecanoylimino)-5H-benzo[a]phenoxazine, N-Octadecanoyl-Nile blue, ETH 5294
Empirical Formula (Hill Notation):
C38H53N3O2
CAS Number:
Molecular Weight:
583.85
Beilstein/REAXYS Number:
3576427
MDL number:
PubChem Substance ID:
NACRES:
NB.61

product line

Selectophore

Quality Level

form

solid

mp

91-93 °C (lit.)

fluorescence

λex 614 nm; λem 663 nm (protonated)

SMILES string

CCCCCCCCCCCCCCCCCC(=O)\N=C1/C=C2Oc3cc(ccc3N=C2c4ccccc14)N(CC)CC

InChI

1S/C38H53N3O2/c1-4-7-8-9-10-11-12-13-14-15-16-17-18-19-20-25-37(42)39-34-29-36-38(32-24-22-21-23-31(32)34)40-33-27-26-30(28-35(33)43-36)41(5-2)6-3/h21-24,26-29H,4-20,25H2,1-3H3/b39-34+

InChI key

MYWBZQJIXVRCJC-JQJRJOTLSA-N

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1 of 4

This Item
27088442631N5632
Chromoionophore I Selectophore™

27086

Chromoionophore I

Chromoionophore III Selectophore™

27088

Chromoionophore III

Coumarin 6 98%

442631

Coumarin 6

Nile Blue A Dye content ≥75 %

N5632

Nile Blue A

form

solid

form

solid

form

solid

form

powder

mp

91-93 °C (lit.)

mp

-

mp

208-210 °C (lit.)

mp

>300 °C (dec.) (lit.)

fluorescence

λex 614 nm; λem 663 nm (protonated)

fluorescence

-

fluorescence

λem 505 nm in ethanol (Lasing peak 534 nm, lasing range 515 - 558 nm (DMSO), pump source XeCl (308 nm))

fluorescence

-

Quality Level

200

Quality Level

200

Quality Level

-

Quality Level

-

General description

Chromoionophore I (ETH 5294, 3-octadecanoylimino-7-diethylamino-l,2-benzophenoxazine) is a H+-selective neutral chromoionophore, which is lipophilic in nature and is a highly basic dye molecule.
Visit our Sensor Applications portal to learn more.

Application

Selected application examples
Chromoionophore I may be used for the test zone preparation in the multianalyte sensor, during environmental monitoring, using photographic digital camera.
Assay of K+ and of Ca2+ activity with solvent polymeric optode membrane based on ETH 5294 and potassium ionophore I (valinomycin)

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Legal Information

Selectophore is a trademark of Merck KGaA, Darmstadt, Germany

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Anna Baranowska-Korczyc et al.
The Analyst, 145(16), 5594-5602 (2020-08-11)
Core-shell modified nanofiber mats were used as ion-selective membranes for the first time. Keeping the overall macroscopic size of the sensing element the same as for classical plasticized poly(vinyl chloride) membranes, herein the proposed nanofiber based systems resulted in ultrathin
Design and characterization of a novel ammonium ion selective optical sensor based on neutral ionophores.
Seiler K
Analytical Sciences, 5 (5), 557-561 (1989)
Fatehy M Abdel-Haleem et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 201, 98-104 (2018-05-08)
Preparation of novel salicylate-selective optical sensors (bulk optodes) was performed and applied successfully for salicylate determination in pharmaceutical formulations, Aspirin® and Aspocid®. t-butyl calix[4]arene ionophore was incorporated in a plasticized poly (vinyl-chloride) membrane containing the chromoionophore ETH5294 (O1) or ETH7075
Environmental monitoring using a conventional photographic digital camera for multianalyte disposable optical sensors.
Lapresta FA and Vallvey C.
Analytica Chimica Acta, 706 (2), 328-337 (2011)
L Lvova et al.
Analytica chimica acta, 988, 96-103 (2017-09-17)
A systematic study of a series of diaza-18-crown-6 8-hydroxyquinoline (DCHQ) chemosensors, devoted to Mg(II) ion detection, was performed. Functionalization of DCHQ by peripheral substituents allowed the development of novel all-solid-state optodes via inclusion inside PVC-based polymeric films. The influence on

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