Products
| Calconcarboxylic acid | |
| Product name | Calconcarboxylic acid |
| Chinese name | 钙羧酸指示剂；2-羟基-1-(2-羟基-4-磺基-1-萘基偶氮)-3-萘甲酸；3-羟基-4-[(2-羟基-4-磺基-1-萘基)偶氮]-2-萘羧酸；钙羧酸；1-（2-羟基-4-磺基-1-萘偶氮）-2-羟基-3-萘甲酸；钙试剂羧酸钠；钙羧酸钠；钙指示剂/钙红；钙红指示剂；钙一羧酸指示剂；钙指示剂；1-(2-羟基-4-磺基-1-萘基偶氮)-2-羟基-3-萘甲酸,钙指示剂 |
| English name | Calconcarboxylic acid |
| Molecular formula | C21H14N2O7S |
| Molecular weight | 438.42 |
| CAS No. | 3737-95-9 |
| Product photo |  |
| Structure |  |
| chemical properties | Soluble in alkali and ammonia, slightly soluble in water |
| Appearance | Brown to black crystalline or brown powder |
| Melting point | 300 °C |
| Content | 0.99 |
| Moisture | |
| Packing | 25kg |
The other explanation |
Uses: used as a calcium indicator for the complexation of calcium |
