Dioxybenzone

**Dioxybenzone**^[1]
	Dioxybenzone
Names
	IUPAC names (2-Hydroxy-4-methoxyphenyl)-; (2-hydroxyphenyl)methanone
	Other names Dioxybenzone; benzophenone-8
Identifiers
CAS Number	131-53-3
ChEMBL	ChEMBL1326877
ChemSpider	8251
Jmol 3D model	Interactive image; Interactive image
KEGG	D03853
PubChem	8569
UNII	B762XZ551X
	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,1H3 Key: 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,1H3 Key: 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/cm3
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 [77 °F], 100 kPa).
	verify (what is ?)
	Infobox references

Dioxybenzone (benzophenone-8) is an organic compound used in sunscreen to block UVB and short-wave UVA (ultraviolet) rays.^[2] 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

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This dermatologic drug article is a stub. You can help Wikipedia by expanding it.

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

[1] Merck Index, 12th Edition, 3357.

[2] The Skin Cancer Foundation: Understanding UVA and UVB

[1]

[2]

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 (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

Dioxybenzone

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Names
Dioxybenzone
IUPAC names (2-Hydroxy-4-methoxyphenyl)- (2-hydroxyphenyl)methanone
Other names Dioxybenzone benzophenone-8
Identifiers
CAS Number	131-53-3^N
ChEMBL	ChEMBL1326877^N
ChemSpider	8251^Y
Jmol 3D model	Interactive image Interactive image
KEGG	D03853^Y
PubChem	8569
UNII	B762XZ551X^Y
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,1H3^Y Key: MEZZCSHVIGVWFI-UHFFFAOYSA-N^Y 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,1H3 Key: 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/cm³
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 [77 °F], 100 kPa).
N verify (what is ^YN ?)
Infobox references