Descripción
Tolfenamic acidQuick Details
Chemical Name:Tolfenamic acid
CAS: 13710-19-5
Molecular Fomula:C14H12ClNO2
Molecular Weight:261.7
Estructura química:
Appearance: White or slightly yellow, crystalline powder
Purity: 99.0~101.0%
Tolfenamic acidTypical Properties
| Inspect Item | Especificación | Resultados |
| Apariencia | White or slightly yellow, crystalline powder | Conforme |
| Solubilidad | Practically insoluble in water, soluble in dimethylformamide, sparingly soluble in ethanol and in methylene chloride | Conforme |
| Identificación | A. Light absorption: the ratio of the absorbance measured at the maximum at 286nm to that maximum at 345nm should be 1.2 to 1.4 | Conforme |
| B. IR absorption spectrophotometry should be conformed | 1.2 | |
| C. TLC chromatography (245nm) should be conformed | Conforme | |
| Punto de fusión | 210~214℃ | 212.1~212.6℃ |
| Sustancias relacionadas | Impurity A<0.1%;Impurity B<0.05% | Conforme |
| Any other impurity<0.1% | Conforme | |
| Total impurity<0.5% | Conforme | |
| Copper | Not more than 10ppm | Conforme |
| Pérdida por secado | Not more than 0.5% | 0.20% |
| Ceniza sulfatada | No más de 0,1% | <0.1% |
| Assay (basis on dry) | 99.0~101.0% | 99.70% |
| Conclusión | The results conforms with EP6.0 standards | |
Tolfenamic acid Usage
This product is used in the synthesis of non-steroidal anti-inflammatory analgesics.
Tolfenamic acid Packaging
25 kg/drum.
Valoraciones
No hay valoraciones aún.