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[3,3'-Bi-2H-1-benzopyran]-2,2'-dione, 7,7'-dihydroxy- Structure

[3,3'-Bi-2H-1-benzopyran]-2,2'-dione, 7,7'-dihydroxy-

Chemical Properties

Melting point 296.0-298.0 °C(Solv: dimethyl sulfoxide (67-68-5); water (7732-18-5))
Boiling point 652.7±55.0 °C(Predicted)
Density  1.605±0.06 g/cm3(Predicted)
pka 7.29±0.20(Predicted)
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