Sulisobenzone

Sulisobenzone^[1]

Names
IUPAC name 4-Hydroxy-2-methoxy-5-(oxo-phenylmethyl)benzenesulfonic acid
Other names Benzophenone-4
Identifiers
CAS Number	4065-45-6
ChemSpider	18829
Jmol interactive 3D	Image
KEGG	D05964
PubChem	19988
UNII	1W6L629B4K
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) Key: CXVGEDCSTKKODG-UHFFFAOYSA-N 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
SMILES O=S(=O)(O)c1cc(c(O)cc1OC)C(=O)c2ccccc2
Properties
Chemical formula	C14H12O6S
Molar mass	308.31 g/mol
Appearance	Light-tan powder
Melting point	145 °C (293 °F; 418 K)
Solubility in water	1 g per 4 mL
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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.^[2][3]

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

References

1. Merck Index, 11th Edition, 8963.
2. Nohynek GJ, Schaefer H (June 2001). "Benefit and risk of organic ultraviolet filters". Regul. Toxicol. Pharmacol. 33 (3): 285–99. doi:10.1006/rtph.2001.1476. PMID 11407932.
3. Skin cancer foundation: Understanding UVA and UVB