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General Presentation
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CAS N° : 119-61-9
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EINECS number : 204-337-6
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FEMA number : 2134
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FLAVIS number : 07.032
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JECFA number : 831
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Appearance : White crystals
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Density : 1,1
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Volatility : Head/Heart
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Price Range : €
Physico-chemical properties
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Molecular formula : C13H10O
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Molecular Weight : 182,22 g/mol
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Log P : 3,18
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Fusion Point : 49°C
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Boiling Point : 306°C
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Detection Threshold : Donnée indisponible.
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Optical rotation : Donnée indisponible
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Vapor pressure : Donnée indisponible
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Refractive Index @20°C : Donnée indisponible
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Acid Value : Donnée indisponible.
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Flash Point : 145°C
Uses
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.
Regulations & IFRA
Allergens :
This ingredient does not contain any allergen.
IFRA 51th :
This ingredient is not restricted for the 51th amendment
