What is BHT used for in everyday life?
BHT is also used as an antioxidant in products such as metalworking fluids, cosmetics, pharmaceuticals, rubber, transformer oils, and embalming fluid. In the petroleum industry, where BHT is known as the fuel additive AO-29, it is used in hydraulic fluids, turbine and gear oils, and jet fuels.
Is BHT approved in the United States?
It is approved for use in the U.S. by the Food and Drug Administration: For example, 21 CFR § 137.350 (a) (4) allows BHT up to 0.0033\% by weight in “enriched rice”, while 9 CFR § 381.147] (f) (1) allows up to 0.01\% in poultry “by fat content”. It is permitted in the European Union under E321. BHT is used as a preservative ingredient in some foods.
What is the chemical synthesis of BHT in industry?
The chemical synthesis of BHT in industry has involved the reaction of p -cresol (4-methylphenol) with isobutylene (2-methylpropene), catalyzed by sulfuric acid : Alternatively, BHT has been prepared from 2,6-di- tert -butylphenol by hydroxymethylation or aminomethylation followed by hydrogenolysis.
Is there a link between BHT and cancer risk?
There is, however, some debate surrounding a possible link between BHT and cancer risk, asthma, and behavioral issues in children; some studies show a potential to increase risk and some to decrease risk. Because of this uncertainty, the consumer group Center for Science in the Public Interest recommend to avoid BHT…
What is butylated hydroxytoluene (BHT)?
Butylated Hydroxytoluene is an organic chemical composed of 4-methylphenol modified with tert-butyl groups at positions 2 and 6. Butylated hydroxytoluene (BHT) inhibits autoxidation of unsaturated organic compounds. BHT is used in food, cosmetics and industrial fluids to prevent oxidation and free radical formation.
Is BHT safe in cosmetic formulations?
The CIR Expert Panel first published an assessment of BHT in 2002 with the conclusion “ safe as used in cosmetic formulations” (BHT062019origrep). Minutes from is the original proceedings are included in this packet (BHT062019min).
What is the appropriate dose of BHT?
The appropriate dose of BHT depends on several factors such as the user’s age, health, and several other conditions. At this time there is not enough scientific information to determine an appropriate range of doses for BHT. Keep in mind that natural products are not always necessarily safe and dosages can be important.
https://www.youtube.com/watch?v=fln3IlrxOKo
What is the chemical name of BHT in locomotive?
For the Italian electric locomotive, see FS Class E.321. Butylated hydroxytoluene (BHT), also known as dibutylhydroxytoluene, is a lipophilic organic compound, chemically a derivative of phenol, that is useful for its antioxidant properties.