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Octabenzone

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Octabenzone
Names
Preferred IUPAC name (phenyl)methanone
Other names Benzophenone-12, Spectra-Sorb UV 531, MPI Milestab 81
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.015.838 Edit this at Wikidata
KEGG
MeSH (2-hydroxy-4-(octyloxy)phenyl)phenylmethanone
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C21H26O3/c1-2-3-4-5-6-10-15-24-18-13-14-19(20(22)16-18)21(23)17-11-8-7-9-12-17/h7-9,11-14,16,22H,2-6,10,15H2,1H3Key: QUAMTGJKVDWJEQ-UHFFFAOYSA-N
  • InChI=1/C21H26O3/c1-2-3-4-5-6-10-15-24-18-13-14-19(20(22)16-18)21(23)17-11-8-7-9-12-17/h7-9,11-14,16,22H,2-6,10,15H2,1H3Key: QUAMTGJKVDWJEQ-UHFFFAOYAM
SMILES
  • O=C(c1ccc(OCCCCCCCC)cc1O)c2ccccc2
Properties
Chemical formula C21H26O3
Molar mass 326.429 g/mol
Appearance Light Yellow to Colourless Solid
Melting point 47–49 °C (117–120 °F; 320–322 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). checkY verify (what is  ?) Infobox references
Chemical compound

Octabenzone (Spectra-Sorb UV 531, MPI Milestab 81) is a UV absorber/screener. It is used to protect polymers (e.g., polyethylene, polypropylene, polyvinylchloride) against damage by UV light.


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