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VWR Eriochrome cyanine R, AnalaR NORMAPUR® analytical reagent C.I. 43820
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Specifications:
| Application | Analytical Chemistry | ||
| Storage Temperature | Ambient | ||
| Product Type | Indicators | Forms | Powder |
| Product Brand | VWR | ||
| Product Grade | Analytical grade | Formula | C₂₃H₁₅Na₃O₉S |
Analytical-Grade Complexometric Indicator for Metal Ion Detection
VWR Eriochrome Cyanine R is a high-purity, AnalaR NORMAPUR® grade indicator dye widely used in complexometric and spectrophotometric determinations of metal ions, particularly aluminium, iron, and thorium. It exhibits distinct color changes upon complexation, making it valuable for quantitative and qualitative analysis in analytical chemistry, environmental testing, and metallurgy.
Key Features
- AnalaR NORMAPUR® Grade – Exceptional purity for reliable and reproducible results
- C.I. 43820 Certified Dye – Globally recognized indicator standard
- Distinctive Color Change – Useful in metal ion complexation and endpoint detection
- Water-Soluble Triphenylmethane Dye – Easy preparation of indicator solutions
- Stable Solid Form – Convenient for long-term laboratory storage
Applications
- Complexometric Titration – Especially for aluminium, thorium, and rare earth metals
- Spectrophotometric Metal Ion Detection – Used in UV-Vis analysis of trace metals
- Educational Chemistry Labs – Demonstration of complex ion formation
- Water Analysis – Testing for transition and heavy metal content
- Pharmaceutical & Industrial QA – Used in control assays for metal contamination
Ordering Information
| Catalog Number | Pack Size | Packaging Type |
|---|---|---|
| 86168.130 | 25 g | Plastic bottle (solids) |
VWR® Eriochrome Cyanine R, AnalaR NORMAPUR®, offers superior performance as a metal complexation indicator, delivering precise colorimetric response in titrimetric and spectroscopic methods for metal ion quantification and trace detection in laboratory environments.