1076-38-6 4-Hydroxycoumarin 4-hydroxy-1-benzopyran-2-one
Prouduct name:4-Hydroxycoumarin
CAS:11076-38-6
Appearance:white crystalline power
Content:99.0%min
Test Item |
Analysis Specification |
Result |
Appearance |
A white or almost crystalline power |
white crystalline power |
Assay |
≥99.0% |
99.57% |
Sulfate residue |
≤0.2% |
0.06% |
Loss on drying |
≤0.5% |
0.03% |
Melting point |
213~217°C |
215.0~216°C |
Conclusion |
In accordance with the standard of enterprise. |
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