Dioxybenzone - Misplaced Pages

Dioxybenzone
Names

Preferred IUPAC name (2-Hydroxy-4-methoxyphenyl)(2-hydroxyphenyl)methanone
Other names Dioxybenzone benzophenone-8
Identifiers
CAS Number	131-53-3
3D model (JSmol)	Interactive image Interactive image
ChEMBL	ChEMBL1326877
ChemSpider	8251
ECHA InfoCard	100.004.571
KEGG	D03853
PubChem CID	8569
UNII	B762XZ551X
CompTox Dashboard (EPA)	DTXSID3022403
InChI InChI=1S/C14H12O4/c1-18-9-6-7-11(13(16)8-9)14(17)10-4-2-3-5-12(10)15/h2-8,15-16H,1H3Key: MEZZCSHVIGVWFI-UHFFFAOYSA-N InChI=1/C14H12O4/c1-18-9-6-7-11(13(16)8-9)14(17)10-4-2-3-5-12(10)15/h2-8,15-16H,1H3Key: MEZZCSHVIGVWFI-UHFFFAOYAR
SMILES O=C(C2=CC=CC=C2O)C1=C(O)C=C(OC)C=C1 O=C(c1ccc(OC)cc1O)c2ccccc2O
Properties
Chemical formula	C₁₄H₁₂O₄
Molar mass	244.25 g/mol
Density	1.38 g/cm
Melting point	68 °C (154 °F; 341 K)
Boiling point	170 to 175 °C (338 to 347 °F; 443 to 448 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). N verify (what is ?) Infobox references

Chemical compound

Dioxybenzone (benzophenone-8) is an organic compound used in sunscreen to block UVB and short-wave UVA (ultraviolet) rays. It is a derivative of benzophenone. It is a yellow powder with a melting point of 68 °C. It is insoluble in water, but moderately soluble in ethanol and isopropanol.

References

Merck Index, 12th Edition, 3357.
The Skin Cancer Foundation: Understanding UVA and UVB

v t e 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 (Enzacamene) 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 / Eversorb M) Physical: Titanium dioxide Zinc oxide
See also: Photoprotection, Sun protective clothing, Sun tanning, and Sunburn

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