Dioxybenzone
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Preferred IUPAC name (2-Hydroxy-4-methoxyphenyl)(2-hydroxyphenyl)methanone | |
Other names Dioxybenzone benzophenone-8 | |
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ECHA InfoCard | 100.004.571 |
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Properties | |
Chemical formula | C14H12O4 |
Molar mass | 244.25 g/mol |
Density | 1.38 g/cm3 |
Melting point | 68 °C (154 °F; 341 K) |
Boiling point | 170 to 175 °C (338 to 347 °F; 443 to 448 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references |
Chemical compound
Dioxybenzone (benzophenone-8) is an organic compound used in sunscreen to block UVB and short-wave UVA (ultraviolet) rays.[2] It is a derivative of benzophenone. It is a yellow powder with a melting point of 68 °C. It is insoluble in water, but moderately soluble in ethanol and isopropanol.
References
- ^ Merck Index, 12th Edition, 3357.
- ^ The Skin Cancer Foundation: Understanding UVA and UVB
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Sunscreening agents approved by the US FDA or other agencies
- UVA: 400–315 nm
- UVB: 315–290 nm
- Chemical agents unless otherwise noted
- Amiloxate
- 4-Aminobenzoic acid (PABA)
- Cinoxate
- Ethylhexyl triazone (Uvinul T 150)
- Homosalate
- 4-Methylbenzylidene camphor (Enzacamene)
- Octyl methoxycinnamate (Octinoxate)
- Octyl salicylate (Octisalate)
- Padimate O (Escalol 507)
- Phenylbenzimidazole sulfonic acid (Ensulizole)
- Polysilicone-15 (Parsol SLX)
- Trolamine salicylate
- Bemotrizinol (Tinosorb S)
- Benzophenones 1–12
- Dioxybenzone
- Drometrizole trisiloxane (Mexoryl XL)
- Iscotrizinol (Uvasorb HEB)
- Octocrylene
- Oxybenzone (Eusolex 4360)
- Sulisobenzone
- Hybrid (chemical/physical): Bisoctrizole (Tinosorb M / Eversorb M)
- Physical:
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