Benzophenone

Uses in perfumery :

Benophenone is used in floral-lily of the valley, rosy and sometimes floral-watery notes (hyacinth…), and in fruity-cherry notes.

Year of discovery :

Data not available.

Natural availability :

Benzophenone is a compound of the scent principle of grapes, black tea and papaya among others. In perfumery, it is used exclusively in its synthetic form.

Isomerism :

Benzophenone does not have any isomer commonly used in perfumery.

Synthesis precursor :

Benzophenone is not a precursor for the synthesis of another compound of olfactory interest.

Synthesis route :

Benzophenone can be synthesized by a Friedel-Craft reaction from benzene by reaction with benzoyl chloride in the catalytic presence of aluminum chloride (Lewis acid). Another method consists in reacting benzene with tetrachloromethane, forming alpha,alpha-dichlorodiphenylmethane, which can be hydrolysed to Benzophenone. A last method is to oxidize diphenylmethane.

Stability :

Stable in perfumes and in diverse functional bases

Other comments :

Benzophenone has a plastic note distinctive to Diphenyl Oxide.

Allergens :

This ingredient does not contain any allergen.

Signal word :

Warning

Hazard pictograms :

Precautionary statements :

IFRA 51^th :

This ingredient is not restricted for the 51th amendment