Offer 4,4'-dihydroxybenzophenone CAS NO 611-99-4

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% Benzophenones are used as a starting material for the manufacture of pesticides drugs, and dyes the main application of is its use as a UV light stabalizer. It is used extensively in cosmetics , plastics , films, adhesives and coatings, optical fiber , and printed circuit boards. This benzophenone works by absorbing the Ultraviolet radiation and preventing the formation of free radicals My company website is 3w dot hnhyrj.com.cn My msn is wangna115 at hot mail.com