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2,2'-Dihydroxy-4-methoxybenzophenone Basic information
2,2'-Dihydroxy-4-methoxybenzophenone Chemical Properties
  • Melting point:73-75 °C(lit.)
  • Boiling point:170-175 °C1 mm Hg(lit.)
  • Density 1.2379 (rough estimate)
  • refractive index 1.5389 (estimate)
  • pka7.11±0.35(Predicted)
  • form neat
  • Merck 14,3303
  • Stability:Stable. Incompatible with strong oxidizing agents.
  • CAS DataBase Reference131-53-3(CAS DataBase Reference)
  • NIST Chemistry ReferenceDioxybenzone(131-53-3)
  • EPA Substance Registry SystemDioxybenzone (131-53-3)
Safety Information
  • Hazard Codes Xi
  • Risk Statements 36/37/38
  • Safety Statements 26-36
  • WGK Germany 3
  • RTECS DJ1049500
  • HS Code 29145090
2,2'-Dihydroxy-4-methoxybenzophenone Usage And Synthesis
  • Chemical Propertiesyellow powder
  • Usesultraviolet screen
  • Usesbenzophenone-8 (dioxybenzone) is an FDA-approved sunscreen chemical with uVA-absorption capabilities. It also can protect product degradation arising from uV-light exposure. It has an approved usage level of 3 percent in the united States.
  • Preparationpreparation by condensation of salicylic acid and m-methoxyphenol.
  • General DescriptionYellow powder.
  • Reactivity ProfileAn alcohol and a ketone. Flammable and/or toxic gases are generated by the combination of alcohols with alkali metals, nitrides, and strong reducing agents. They react with oxoacids and carboxylic acids to form esters plus water. Oxidizing agents convert them to aldehydes or ketones. Alcohols exhibit both weak acid and weak base behavior. They may initiate the polymerization of isocyanates and epoxides. Ketones are reactive with many acids and bases liberating heat and flammable gases (e.g., H2). The amount of heat may be sufficient to start a fire in the unreacted portion of the ketone. Ketones react with reducing agents such as hydrides, alkali metals, and nitrides to produce flammable gas (H2) and heat. Ketones are incompatible with isocyanates, aldehydes, cyanides, peroxides, and anhydrides. They react violently with aldehydes, HNO3, HNO3 + H2O2, and HClO4.
  • Fire HazardFlash point data for 2,2'-Dihydroxy-4-methoxybenzophenone are not available. 2,2'-Dihydroxy-4-methoxybenzophenone is probably combustible.
2,2'-Dihydroxy-4-methoxybenzophenone Preparation Products And Raw materials
2,2'-Dihydroxy-4-methoxybenzophenone (131-53-3)Related Product Information
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