Alizarin A.R. (CI 58000)

Alizarin A.R. (CI 58000) is an organic compound used as an indicator in chemical analyses, particularly in titration procedures and analytical methods that rely on colorimetric response to identify reaction endpoints. Chemically known as 1,2-dihydroxyanthraquinone, it exhibits a characteristic color change depending on the medium and test conditions, supporting visual interpretation of analytical results. It is commonly applied in analytical chemistry laboratories, educational settings, and quality control routines, including the preparation of indicator solutions and specific assays involving metal ion complexation, according to the selected method.

Characteristics:

• Analytical reagent grade suitable for laboratory use;

• Applied as an indicator in titration and colorimetric methods;

• Characteristic color response depending on test conditions;

• Used in analytical chemistry routines and educational applications;

• Suitable for preparation of indicator solutions and controlled assays.

Technical Specifications:

• Chemical name: 1,2-Dihydroxyanthraquinone;

• Molecular formula: C₁₄H₈O₄;

• Molecular weight: 240.21 g/mol;

• CAS: 72-48-0;

• Color Index: CI 58000;

• Physical state: Solid;

• Grade: A.R. (Analytical Reagent);

• GHS pictograms: GHS07 (Irritant), GHS09 (Hazardous to the aquatic environment).

Includes:

• 1x Alizarin A.R. (CI 58000).