Avobenzone

About This Item

Molecular Formula	C₂₀H₂₂O₃
CAS Number	70356-09-1
Appearance	Solid; [Merck Index] Yellow to light tan crystalline powder; [MSDSonline]

FC-0778709

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Properties

Chemical Identifiers

IUPAC Name	1-(4-tert-butylphenyl)-3-(4-methoxyphenyl)propane-1,3-dione
SMILES	CC(C)(C)C1=CC=C(C=C1)C(=O)CC(=O)C2=CC=C(C=C2)OC
InChI Key	XNEFYCZVKIDDMS-UHFFFAOYSA-N
InChI	InChI=1S/C20H22O3/c1-20(2,3)16-9-5-14(6-10-16)18(21)13-19(22)15-7-11-17(23-4)12-8-15/h5-12H,13H2,1-4H3

Physical Properties

Boiling Point	463.6±35.0 °C at 760 mmHg
Melting Point	83.5 °C
Flash Point	203.1±26.0 °C
Density	1.1±0.1 g/cm3

Safety Information

Hazard Class

GHS09

Flash Point

203.1±26.0 °C

Please refer to the Safety Data Sheet (SDS) for complete handling, storage, and disposal instructions. Follow all applicable regulations when working with this chemical reagent.