Product Description
| Cat Number | HY-W151206 |
|---|---|
| Category | Dye Reagent |
| Pack Size | 1 EA |
| Description | Hydroxy naphthol blue disodium, an azo dye, is a metal indicator for calcium and a colorimetric reagent for alkaline earth metal ions ( λmax = 650 nm). In the pH range between 12 and 13, the solution of the indicator is reddish pink in the presence of calcium ion and to deep blue in the presence of disodium EDTA [1] . |
| Molecular Weight | 598.49 |
| Research Field | Others |
| Formula | C20H12N2Na2O11S3 |
| Smiles | O=C1C=C(S(=O)(O)=O)C2=CC=CC=C2/C1=N/NC3=C(O)C(S(=O)(O[Na])=O)=CC4=CC(S(=O)(O[Na])=O)=CC=C43 |
| Scientific Background | Others |
| View Document | |
| Note | The product is for research use only |
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