1.03164
Eriochrome cyanine R (C.I. 43820)
metal indicator, for analysis, reagent for aluminum
Synonym(s):
Eriochrome cyanine R (C.I. 43820)
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About This Item
Product Name
Eriochrome cyanine R (C.I. 43820), for analysis (reagent for aluminium)
SMILES string
[Na+].[S]1(=O)(=O)OC(c4c1cccc4)(c3cc(c(c(c3)C(=O)O)O)C)c2cc(c(c(c2)C(=O)O)O)C
InChI
1S/C23H18O9S.Na/c1-11-7-13(9-15(19(11)24)21(26)27)23(14-8-12(2)20(25)16(10-14)22(28)29)17-5-3-4-6-18(17)33(30,31)32-23;/h3-10,24-25H,1-2H3,(H,26,27)(H,28,29);/q;+1
InChI key
HJEGHSWGWSAZBS-UHFFFAOYSA-N
potency
>2000 mg/kg LD50, oral (Rat)
loss
≤10% loss on drying, 110°C
pH
9.1 (24 °C, 10 g/L in H2O)
solubility
420 g/L
bulk density
590 kg/m3
λmax
434-440 nm (buffer pH 7.0)
storage temp.
2-30°C
Quality Level
Related Categories
Analysis Note
Absorption maximum λmax. (buffer pH 7.0): 434 - 440 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.02 g/l; buffer pH 7.0; calc. on dried substance): 130 - 230
Loss on drying (110 °C): ≤ 10 %
Application
- Determination of Food Oxalates Using Silica-Titania Xerogel Modified with Eriochrome Cyanine R.: This research explores a novel method to determine oxalate concentrations in food using Eriochrome Cyanine R, highlighting the dye′s potential in enhancing analytical sensitivity and specificity (Morosanova et al., 2018).
- Development of a Dispersive Liquid-Liquid Microextraction Method Combined with UV-Visible Spectrophotometry for Determination of Trace Aluminum(III) in Water, Wastewater, Food, Biological, and Pharmaceutical Samples.: This study demonstrates a new method utilizing Eriochrome Cyanine R for tracing aluminum levels across various samples, showcasing its utility in environmental and health-related chemical analyses (Birgani et al., 2017).
- Direct, sensitive determination of trace amounts of dissolved ferric iron in natural water by light absorption ratio variation spectrometry.: Though not directly mentioning Eriochrome Cyanine R, this article focuses on related spectrometric techniques that can be adapted for dyes like Eriochrome Cyanine R to detect iron in natural water sources (Gao et al., 2005).
- Determination of vanadium by solid-phase spectrophotometry after its preconcentration as an Eriochrome Cyanine R complex on a dextran-type exchanger.: This research introduces a method for vanadium determination using Eriochrome Cyanine R, underlining the dye′s role in the preconcentration and quantification of vanadium in complex matrices (Boudra et al., 1995).
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 1.03164.0025 | 04022536040363 |
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