27088
Chromoionophore III
Selectophore™
Synonym(s):
9-(Diethylamino)-5-[(2-octyldecyl)imino]benzo[a]phenoxazine, ETH 5350
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About This Item
Empirical Formula (Hill Notation):
C38H55N3O
CAS Number:
Molecular Weight:
569.86
UNSPSC Code:
26111700
NACRES:
NB.61
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
5462368
product line
Selectophore™
Quality Segment
form
solid
SMILES string
CCCCCCCCC(CCCCCCCC)C\N=C1/C=C2Oc3cc(ccc3N=C2c4ccccc14)N(CC)CC
InChI
1S/C38H55N3O/c1-5-9-11-13-15-17-21-30(22-18-16-14-12-10-6-2)29-39-35-28-37-38(33-24-20-19-23-32(33)35)40-34-26-25-31(27-36(34)42-37)41(7-3)8-4/h19-20,23-28,30H,5-18,21-22,29H2,1-4H3/b39-35+
InChI key
ICVAQSQRYBGWQH-IGIMMJHKSA-N
General description
Chromoionophore III (ETH 5350) is a pH sensitive dye, and is ratiometric that is the fluorescence spectrum has two peaks, and the ratio between these peaks changes according to the changing pH levels.
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Application
ETH 5350 was used for the fabrication of optode membranes, which are sodium selective, used in order to optically determine sodium in pH-buffered human blood plasma.
Selected application examples
Assay of Na+ activity with solvent polymeric optode membrane prepared from ETH 5350 and sodium ionophore V; Assay of ammonia with solvent polymeric optode membranes based on ETH 5350 and valinomycin (potassium ionophore I)
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)
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