2,7-Dihydroxy-9-fluorenone

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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