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27102

Supelco

Chromoionophore XI

Selectophore™

Synonym(s):

ETH 7061, Fluorescein octadecyl ester

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About This Item

Empirical Formula (Hill Notation):
C38H48O5
CAS Number:
138833-46-2
Molecular Weight:
584.78
Beilstein/REAXYS Number:
6626911
MDL number:
MFCD00467709
UNSPSC Code:
26111700
PubChem Substance ID:
329752977
NACRES:
NB.61

product line

Selectophore™

form

powder

SMILES string

CCCCCCCCCCCCCCCCCCOC(=O)c1ccccc1C2=C3C=CC(=O)C=C3Oc4cc(O)ccc24

InChI

1S/C38H48O5/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-19-26-42-38(41)32-21-18-17-20-31(32)37-33-24-22-29(39)27-35(33)43-36-28-30(40)23-25-34(36)37/h17-18,20-25,27-28,39H,2-16,19,26H2,1H3

InChI key

UDHKRSZNYLYOEP-UHFFFAOYSA-N

General description

Chromoionophore XI (fluorescein octadecyl ester, ETH 7061) is a lipophilized pH indicator.[1]
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Application

Selected application examples
ETH 7061 may be used in bulk flow optode, used for determination of perchlorate.[1]

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Other Notes

Chromoionophore in chloride-selective optodes[2]; Ionophore used in an alcohol-selective electrode[3]; Lipophilic pH indicator[4]

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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Certificates of Analysis (COA)

Lot/Batch Number
BCBX0441
BCBV3414

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H H Zeng et al.
Talanta, 41(6), 969-975 (1994-06-01)
A new type of optode membrane for the determination of alcohols, such as methanol, ethanol, propan-1-ol and propan-2-ol etc, is presented that can be exploited in optical and fibre-optic sensors. It is based on the use of a new lipophilic
Flow-through bulk optode for the fluorimetric determination of perchlorate.
Ortuna JA
Talanta, 60 (2), 563-569 (2003)
L. Brown et al.
Journal of the Chemical Society. Perkin Transactions 1, 3349-3349 (1990)
Weihai Zhang et al.
Acta biomaterialia, 116, 344-355 (2020-09-02)
The uptake and trafficking of NPs is impacted by several attributes such as size, shape, surface charge and importantly by surface ligands that can interact with the cell plasma membrane. We envision that NPs which can be readily modified in
S.S. Tan et al.
Analytica Chimica Acta, 255, 35-35 (1991)
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