|IUPAC name||2-tert-butyl-4-hydroxyanisole and 3-tert-butyl-4-hydroxyanisole (mixture)|
|Molar mass||180.24 g/mol|
| Except where noted otherwise, data are given for|
materials in their standard state
(at 25 °C, 100 kPa)
Infobox disclaimer and references
Butylated hydroxyanisole (BHA) is a mixture of two isomeric organic compounds, 2-tert-butyl-4-hydroxyanisole and 3-tert-butyl-4-hydroxyanisole. It is prepared from 4-methoxyphenol and isobutylene. It is a waxy solid that exhibits antioxidant properties.
Like butylated hydroxytoluene (BHT), the conjugated aromatic ring of BHA is able to stabilize free radicals, sequestering them. By acting as free radical scavengers, further free radical reactions are prevented.
- ↑ Substance Profiles: Butylated Hydroxyanisole. Report on Carcinogens, Eleventh Edition. National Toxicology Program.
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