Dioxybenzone

Dioxybenzone
IUPAC name (2-Hydroxy-4-methoxyphenyl)- (2-hydroxyphenyl)methanone
Other names Dioxybenzone benzophenone-8
Identifiers
CAS number	131-53-3 Y
PubChem	8569
ChemSpider	8251 Y
KEGG	D03853 Y
Jmol-3D images	Image 1 Image 2
SMILES O=C(C2=CC=CC=C2O)C1=C(O)C=C(OC)C=C1 O=C(c1ccc(OC)cc1O)c2ccccc2O
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
Properties
Molecular formula	C14H12O4
Molar mass	244.25 g/mol
Density	1.38 g/cm3
Melting point	68 °C
Boiling point	170–175 °C
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

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.