Skip to Content
Merck
CN

Key Documents

View All Documentation

27086

Chromoionophore I

Selectophore™

Synonym(s):

3-Octadecanoylimino-7-(diethylamino)-1,2-benzophenoxazine, 9-(Diethylamino)-5-(octadecanoylimino)-5H-benzo[a]phenoxazine, N-Octadecanoyl-Nile blue, ETH 5294

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C38H53N3O2
CAS Number:
125829-24-5
Molecular Weight:
583.85
UNSPSC Code:
26111700
NACRES:
NB.61
PubChem Substance ID:
329752971
MDL number:
MFCD00213935
Beilstein/REAXYS Number:
3576427
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

product line

Selectophore™

Quality Level

200

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

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

Chromoionophore I may be used for the test zone preparation in the multianalyte sensor, during environmental monitoring, using photographic digital camera.
Selected application examples
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

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCCN7379
BCCH1658
BCCB0112
BCBZ3147

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Articles

Sensor Dyes

Nitric oxide (NO) as a signal transporter in neurons, endothelial cells and in the immune system.

感应染料

一氧化氮 (NO) 是神经元、内皮细胞和免疫系统中的信号转运分子。

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
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)
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
View All Related Papers

Global Trade Item Number

SKUGTIN
27086-10MG-F04061826143285
27086-100MG-F04061833276990