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Chromeazurol S is a compound classified as an azo dye. It is frequently utilized as an indicator in analytical chemistry to detect metal ions such as copper, nickel, and cobalt. In the presence of these metal ions, Chromeazurol S changes color from yellow to blue, enabling their detection and quantification. This compound can be applied on test papers or directly added to solutions for analysis.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 5 g | Inquiry | 7-10 days | 7-10 days | |
| 10 g | Inquiry | 7-10 days | 7-10 days | |
| 50 g | Inquiry | 7-10 days | 7-10 days |
| Description | Chromeazurol S is a compound classified as an azo dye. It is frequently utilized as an indicator in analytical chemistry to detect metal ions such as copper, nickel, and cobalt. In the presence of these metal ions, Chromeazurol S changes color from yellow to blue, enabling their detection and quantification. This compound can be applied on test papers or directly added to solutions for analysis. |
| Molecular Weight | 607.3 |
| Formula | C23H15Cl2Na3O9S |
| Cas No. | 1667-99-8 |
| Smiles | O=C(O[Na])C(C(C(C)=C/1)O)=CC1=C(C2=CC(C(O[Na])=O)=C(O)C(C)=C2)/C3=C(Cl)C=CC(S(=O)(O[Na])=O)=C3Cl |
| Storage | keep away from moisture,keep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year |
Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
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