4,4 - dihydroxy benzophenone 4,4 ’- dihydroxy benzophenone 4,4’-dihydroxybenzophenone English: 4.4 ’-dihydroxy benzophenone Alias: 4.4 ’- dual-benzophenone DHBP CAS-NO :611-99-4 formula C13H10O3 molecular weight 214.22 Appearance: white crystalline powder melting point :211-213 ° C content:> 99.5% And the use of performance: The goods do not dissolve in water, soluble in organic solvents, pharmaceutical intermediates Packaging: 25 kg / Fiber drum