Benzophenone-n

Benzophenone, the base structure of these sunscreening agents

Benzphenone-1 – benzophenone-12 (BP-1 –BP-12) are UVA/UVB absorbers. Most of them are used in sunscreens.

Benzophenone-1 (2,4-dihydroxybenzophenone)
Benzophenone-2 (2,2',4,4'-tetrahydroxybenzophenone)
Benzophenone-3 (oxybenzone)
Benzophenone-4 (sulisobenzone)
Benzophenone-5 (sulisobenzone sodium)
Benzophenone-6 (2,2'-dihydroxy-4,4'-dimethoxybenzophenone)
Benzophenone-7 (5-chloro-2-hydroxybenzophenone)
Benzophenone-8 (dioxybenzone)
Benzophenone-9 (sodium 2,2'-dihydroxy-4,4'-dimethoxybenzophenone-5,5'-disulfonate)
Benzophenone-10 (mexenone, 2-hydroxy-4-methoxy-4'-methyl-benzophenone)
Benzophenone-11 (benzophenone-2 and benzophenone-6)^[1]
Benzophenone-12 (octabenzone, used to protect plastics)

References

Sunscreening agents approved by the US FDA or other agencies

UVA: 400–315 nm UVB: 315–290 nm chemical agents unless otherwise noted

UVA filters	Avobenzone (Parsol 1789) Bisdisulizole disodium (Neo Heliopan AP) Diethylamino hydroxybenzoyl hexyl benzoate (Uvinul A Plus) Ecamsule (Mexoryl SX) Menthyl anthranilate

UVB filters	Amiloxate 4-Aminobenzoic acid (PABA) Cinoxate Ethylhexyl triazone (Uvinul T 150) Homosalate 4-Methylbenzylidene camphor (Parsol 5000) Octyl methoxycinnamate (Octinoxate) Octyl salicylate (Octisalate) Padimate O (Escalol 507) Phenylbenzimidazole sulfonic acid (Ensulizole) Polysilicone-15 (Parsol SLX) Trolamine salicylate

UVA+UVB filters	Bemotrizinol (Tinosorb S) Benzophenones 1–12 Dioxybenzone Drometrizole trisiloxane (Mexoryl XL) Iscotrizinol (Uvasorb HEB) Octocrylene Oxybenzone (Eusolex 4360) Sulisobenzone hybrid (chemical/physical): Bisoctrizole (Tinosorb M) physical: Titanium dioxide Zinc oxide

See also: Photoprotection Potential health risks of sunscreen Sun protective clothing Sun tanning Sunburn

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