A death certificate is a confidential document, therefore, only the immediate family â the spouse, the biological or adoptive parents, the biological or adoptive grandparents, the legal guardian, the siblings, or the adult children of the deceased can request and obtain a death certificate that shows the cause of death.
BHA and BHT. Butylated hydroxyanisole (BHA) and butylated hydroxytoluene (BHT) are used as a food preservative, as well as to preserve fats and oils in cosmetics and pharmaceuticals. BHA is commonly found in chewing gum, butter, cereals, snack foods and beer.
1 BHA is a mixture of the isomers 3- tert-butyl-4-hydroxyanisole and 2- tert-butyl-4-hydroxyanisole. 2  Also known as BOA, tert-butyl-4-hydroxyanisole, (1,1-dimethylethyl)-4-methoxyphenol, tert-butyl-4-methoxyphenol, antioxyne B, and under various trade names. 3  Molecular formula C 11 H 16 O 2.