:Dioxybenzone

{{chembox

| Verifiedimages = changed

| Verifiedfields = changed

| Watchedfields = changed

| verifiedrevid = 464188910

| Reference =Merck Index, 12th Edition, 3357.

| Name = Dioxybenzone

| ImageFile_Ref = {{chemboximage|correct|??}}

| ImageFile = Dioxybenzone.png

| ImageClass = skin-invert

| ImageSize =

| ImageName = Dioxybenzone

| PIN = (2-Hydroxy-4-methoxyphenyl)(2-hydroxyphenyl)methanone

| OtherNames = Dioxybenzone
benzophenone-8

|Section1={{Chembox Identifiers

| UNII_Ref = {{fdacite|correct|FDA}}

| UNII = B762XZ551X

| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}

| ChemSpiderID = 8251

| PubChem = 8569

| KEGG_Ref = {{keggcite|correct|kegg}}

| KEGG = D03853

| ChEMBL_Ref = {{ebicite|changed|EBI}}

| ChEMBL = 1326877

| 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

| InChIKey = MEZZCSHVIGVWFI-UHFFFAOYAR

| SMILES1 = O=C(c1ccc(OC)cc1O)c2ccccc2O

| StdInChI_Ref = {{stdinchicite|correct|chemspider}}

| StdInChI = 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

| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}

| StdInChIKey = MEZZCSHVIGVWFI-UHFFFAOYSA-N

| CASNo_Ref = {{cascite|changed|??}}

| CASNo = 131-53-3

| SMILES = O=C(C2=CC=CC=C2O)C1=C(O)C=C(OC)C=C1

}}

|Section2={{Chembox Properties

| Formula = C₁₄H₁₂O₄

| MolarMass = 244.25 g/mol

| Density = 1.38 g/cm³

| MeltingPtC = 68

| BoilingPtC = 170 to 175

| BoilingPt_notes =

}}

}}

Dioxybenzone (benzophenone-8) is an organic compound used in sunscreen to block UVB and short-wave UVA (ultraviolet) rays.[http://www.skincancer.org/understanding-uva-and-uvb.html The Skin Cancer Foundation: Understanding UVA and UVB] 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.