CAS number：42523-29-5
Molecular formula：C13H8O3
molecular weight：212.2
Chemical structure：
|
Items |
Specification |
Result |
|
Appearance |
Red to brown crystalline powder |
Red to brown crystalline powder |
|
Assay |
≥99.0% |
99.8% |
|
Melting point |
335-338℃ |
335-337℃ |
|
Loss on drying |
≤1.0% |
0.57% |
|
Total impurity |
≤1.0% |
0.20% |
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