|Preferred IUPAC name
Benzophenone, 4,4′-dihydroxy-(7Cl,8Cl); 4,4′-dihydroxydiphenyl ketone; Bis(4-hydroxyphenyl) ketone; HBP; HBP (ketone); NSC
3D model (JSmol)
CompTox Dashboard (EPA)
|Molar mass||214.22 g/mol|
|Appearance||Off white/yellow solid|
|Melting point||213 to 215 °C (415 to 419 °F; 486 to 488 K)|
|Boiling point||444.8 °C (832.6 °F; 718.0 K) @760mmHg|
|Safety data sheet||MSDS by Fisher Scientific|
|GHS Signal word||Warning|
|H315, H317, H319, H335|
|P261, P264, P271, P272, P280, P302+352, P304+340, P305+351+338, P312, P321, P332+313, P333+313, P337+313, P362, P363, P403+233, P405, P501|
|Flash point||237 °C (459 °F; 510 K)|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|what is ?)(|
4,4′-Dihydroxybenzophenone is an organic compound with the formula (HOC6H4)2CO. This off-white solid is a precursor to or a degradation product of diverse commercial materials. It is a potential endocrine disruptor.
4,4′-Dihydroxybenzophenone is prepared by the rearrangement of p-hydroxyphenylbenzoate:
The main application of 4,4′-dihydroxybenzophenone is as a UV light stabilizer. It and its derivatives are found in cosmetics, plastics, films, adhesives and coatings, optical fiber, and printed circuit boards. It is the precursor to certain polycarbonate polymers.