Calmagite
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Description
Additional Information
Calmagite
Chemical Name: 1-(1-Hydroxy-4-methyl-2-phenylazo)-2-naphthol-4-sulfonic acid
English Name: 1-(1-Hydroxy-4-methyl-2-phenylazo)-2-naphthol-4-sulfonic acid
CAS Number: 3147-14-6
Molecular Formula: C₁₇H₁₄N₂O₅S
Molecular Weight: 358.37 g/mol
Main Applications
1. Complexometric titration indicator
- Used in EDTA titration to determine Ca²⁺ and Mg²⁺ content (color changes from red to blue at pH≈10).
- Commonly used in water hardness testing (e.g., determination of total Ca and Mg).
2. Spectrophotometric detection of metal ions
- Forms colored complexes with calcium and magnesium, suitable for colorimetric analysis.
| Industry Category | Chemicals/Laboratory Reagents/Other Chemical Reagents |
|---|---|
| Product Category | |
| Brand: | 美国赛默飞 |
| Spec: | 5g/10g/25g/100g |
| Stock: | 100 |
| Origin: | 113213 |
