Avobenzone
Properties
- Molecular formula
- C20H22O3
- Molar mass
- 310.39 g/mol
- Exact mass
- 310.1569 Da
- Melting point
- 83.5 °C
- logP
- 4.45Crippen estimate
- Polar surface area
- 43.4 Ų
- H-bond donors / acceptors
- 0 / 3
- Rotatable bonds
- 5
Hazards
- H413 May cause long lasting harmful effects to aquatic life90.6% of notifiers
Aggregated from 2,086 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.
Precautionary statements
P273, P501
Identifiers
CAS number
70356-09-1SMILES
COc1ccc(C(=O)CC(=O)c2ccc(C(C)(C)C)cc2)cc1InChIKey
XNEFYCZVKIDDMS-UHFFFAOYSA-NInChI
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,13H2,1-4H3Characterization data
Calculated from the structure, in the form journals print them.
¹H NMR
Predicted ¹H NMR (400 MHz, CDCl₃) δ 7.90 (d, J = 7.7 Hz, 2H), 7.89 (d, J = 7.7 Hz, 2H), 7.52 (d, J = 7.7 Hz, 2H), 7.02 (d, J = 7.7 Hz, 2H), 4.69 (s, 2H), 3.80 (s, 3H), 1.21 (s, 9H).¹³C NMR
Predicted ¹³C NMR (101 MHz, CDCl₃) δ 192.3, 192.3, 164.4, 155.1, 133.9, 129.3, 129.2, 127.8, 125.1, 114.1, 61.3, 56.0, 42.6, 31.5.[M + H]+
[M + H]+ Calcd for C20H23O3 311.1642[M + Na]+
[M + Na]+ Calcd for C20H22NaO3 333.1461[M − H]−
[M − H]− Calcd for C20H21O3 309.1496Elemental analysis
Anal. Calcd for C20H22O3: C, 77.39; H, 7.14.Weigh it out
Type any one amount. The others follow from the molar mass.
Names and synonyms
20 names · show all
- 1,3-Propanedione, 1-[4-(1,1-dimethylethyl)phenyl]-3-(4-methoxyphenyl)-
- 1-[4-(1,1-Dimethylethyl)phenyl]-3-(4-methoxyphenyl)-1,3-propanedione
- Parsol 1789
- Parsol A
- 4-(1,1-Dimethylethyl)-4′-methoxydibenzoylmethane
- Photoplex
- 4-tert-Butyl-4′-methoxydibenzoylmethane
- 4-Methoxy-4′-tert-butyldibenzoylmethane
- 1-(4-tert-Butylphenyl)-3-(4-methoxyphenyl)propane-1,3-dione
- Butylmethoxydibenzoylmethane
- Eusolex 9020
- Uvinul BMBM
- Parsol RTM 1789
- NeoHeliopan 357
- 1-(4-Methoxyphenyl)-3-(4-tert-butylphenyl)propane-1,3-dione
- Escalol 517
- 1-(4-tert-Butylphenyl)-3-(4-methoxyphenyl)propan-1,3-dione
- Solarom BMBM
- 1-(4′-tert-Butylphenyl)-3-(4′-methoxyphenyl)propane-1,3-dione
- 3-(4-Methoxyphenyl)-1-(4-tert-butylphenyl)-1,3-propanedione
Work with Avobenzone
Similar compounds
4-tert-Butylanisole5396-38-363 % similar
Methyl 4-methoxy-β-oxobenzenepropanoate22027-50-559 % similar
Ethyl 3-(4-tert-butylphenyl)-3-oxopropanoate101498-88-857 % similar
4′-Methoxypropiophenone121-97-157 % similar
4'-(tert-Butyl)propiophenone71209-71-757 % similar
1,2-Bis(4-methoxyphenyl)ethanone120-44-555 % similar
2-Chloro-1-[4-(1,1-dimethylethyl)phenyl]ethanone21886-62-455 % similar
2-Chloro-1-(4-methoxyphenyl)ethanone2196-99-855 % similar
Tanimoto similarity of circular fingerprints over the whole catalogue.