Tert-Butylhydroquinone TBHQ CAS 1948-33-0 - 1948-33-0 and Tert-Butylhydroquinone
Product Description
tert-Butylhydroquinone [1948-33-0]
| Identification | ||
| Name | tert-Butylhydroquinone | |
| Synonyms | Butylhydroquinone; TBHQ; 2-tert-Butylhydroquinone; 2-(1,1-Dimethylethyl)-1,4-benzenediol | |
| Molecular Structure | ||
| Molecular Formula | C10H14O2 | |
| Molecular Weight | 166.22 | |
| CAS Registry Number | 1948-33-0 | |
| EINECS | 217-752-2 | |
| Properties | ||
| Density | 295 | |
| Melting point | 125-130 ºC | |
| Boiling point | 273 ºC | |
| Flash point | 171 ºC | |
Applications
Food preservative
In foods, TBHQ is used as a preservative for unsaturated vegetable oils and many edible animal fats. It does not cause discoloration even in the presence of iron, and does not change flavor or odor of the material to which it is added.[1] It can be combined with other preservatives such as butylated hydroxyanisole (BHA). As a food additive, its E number is E319. It is added to a wide range of foods, with the highest limit (1 gram/kg) permitted for frozen fish and fish products. Its primary advantage is extending storage life.
Other
In perfumery, it is used as a fixative to lower the evaporation rate and improve stability.
It is used industrially as a stabilizer to inhibit autopolymerization of organic peroxides.
It is used as an antioxidant in biodiesel.
It is also added to varnishes, lacquers, resins, and oil-field additives.
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