Description
Technical Parameters
Product Brief Introduction
Product name: Tolfenamic Acid
CAS: 13710-19-5
MF: C14H12ClNO2
MW: 261.704
Product Specification
|
Appearance |
White or slight-yellow crystalline powder |
|
Identification |
Meet the standards |
|
Solubility |
Practically insoluble in water, soluble in dimethylformamide, sparingly soluble in ethanol and in methylene chloride. It dissolves in dilute solutions of alkali hydroxides. |
|
Melting Point |
About 213.0℃ |
|
Loss on Drying |
≤0.5% |
|
Sulfated Ash |
≤0.1% |
|
Related Substances |
Impurity A≤0.1% |
|
|
Impurity B≤0.05% |
|
|
Any other impurity≤0.1% |
|
|
Total impurities≤0.5% |
|
Copper |
≤10ppm |
|
Assay |
99.0% ~ 101.0% |



