CompoundList
Sign in
Cosmetic and personal care ingredients

Avobenzone vs oxybenzone

Avobenzone (C20H22O3, CAS 70356-09-1) and oxybenzone (C14H12O3, CAS 131-57-7) are both listed under UV filters.

Avobenzone has a molar mass of 310.39 g/mol, oxybenzone 228.25 g/mol.

Measured melting points are 83.5 °C for avobenzone and 65.5 °C for oxybenzone.

Oxybenzone carries the GHS signal word Warning, while no signal word is recorded for avobenzone in our records.

On CompoundList, 158 suppliers list avobenzone and 181 suppliers list oxybenzone.

Data last updated 7 October 2026

Avobenzone and oxybenzone compared side by side
Avobenzone chemical structure, C20H22O3, CAS 70356-09-1
Avobenzone
2-Hydroxy-4-methoxybenzophenone chemical structure, C14H12O3, CAS 131-57-7
Oxybenzone
Identity
Name in our databaseAvobenzone2-Hydroxy-4-methoxybenzophenone
CAS number70356-09-1131-57-7
Molecular formulaC20H22O3C14H12O3
Molar mass310.39 g/mol228.25 g/mol
IUPAC name1-(4-tert-butylphenyl)-3-(4-methoxyphenyl)propane-1,3-dione(2-hydroxy-4-methoxyphenyl)-phenylmethanone
EC number274-581-6205-031-5
Physical properties
AppearanceCrystals from methanolColorless crystals
Melting point83.5 °C65.5 °C
Boiling pointNot recorded150 to 160
DensityNot recorded1.32 at 25 °C
Flash pointNot recorded100 °C
SolubilityWater-insoluble, soluble in isopropanol, decyl oleate, capric/caprylic triglyceride, castor oil.In water, 3.7 mg/L at 25 °C
LogP (octanol/water)Computed from the structure4.452.63
Safety (GHS)
Signal wordNoneWarning
PictogramsNone
GHS07: Harmful or irritant
GHS09: Hazardous to the environment
Hazard statements
  • H413 May cause long lasting harmful effects to aquatic life.
  • H315 Causes skin irritation.
  • H319 Causes serious eye irritation.
  • H335 May cause respiratory irritation.
  • H400 Very toxic to aquatic life.
  • H411 Toxic to aquatic life with long lasting effects.
Uses and classification
Uses and functions
  • UV filters
  • UV stabilizers
  • Antineoplastic agent
  • Pharmaceutical
  • Light stabilizer
  • UV absorber
  • UV filters
  • UV absorbers and light stabilizers
  • UV stabilizers
  • Dermatologic drug
  • Environmental contaminant
  • Pharmaceutical
CategoryCosmetic ingredients › UV filtersCosmetic ingredients › UV filters
HS code291450Ketone-phenols and ketones with other oxygen function291450Ketone-phenols and ketones with other oxygen function
Market on CompoundList
Suppliers158 suppliers181 suppliers
Supplier countries22 countries, most in China, India, United States24 countries, most in China, United States, India
Price rangeOnly prices set by suppliers who manage their own profilePrice on requestPrice on request

Measured and computed values as shown on each chemical page, plus live listings on CompoundList. Details may have changed, please confirm them with the supplier. Safety data is a summary, not an SDS.

Avobenzone
Oxybenzone

More comparisons

Other common chemical pairs, compared the same way.