Sulisobenzone

Sulisobenzone
IUPAC name 4-Hydroxy-2-methoxy-5-(oxo-phenylmethyl)benzenesulfonic acid
Other names Benzophenone-4
Identifiers
CAS number	4065-45-6 Y
PubChem	19988
ChemSpider	18829 Y
UNII	1W6L629B4K Y
KEGG	D05964 Y
Jmol-3D images	Image 1
SMILES O=S(=O)(O)c1cc(c(O)cc1OC)C(=O)c2ccccc2
InChI InChI=1S/C14H12O6S/c1-20-12-8-11(15)10(7-13(12)21(17,18)19)14(16)9-5-3-2-4-6-9/h2-8,15H,1H3,(H,17,18,19) Y Key: CXVGEDCSTKKODG-UHFFFAOYSA-N Y InChI=1/C14H12O6S/c1-20-12-8-11(15)10(7-13(12)21(17,18)19)14(16)9-5-3-2-4-6-9/h2-8,15H,1H3,(H,17,18,19) Key: CXVGEDCSTKKODG-UHFFFAOYAQ
Properties
Molecular formula	C14H12O6S
Molar mass	308.31 g/mol
Appearance	Light-tan powder
Melting point	145 °C, 418 K, 293 °F
Solubility in water	1 g per 4 mL
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

Sulisobenzone (benzophenone-4) is an ingredient in some sunscreens which protects the skin from damage by UVB and short-wave UVA ultraviolet light.

Its sodium salt, sulisobenzone sodium, is also referred to as benzophenone-5.