http://www.legislation.gov.uk/id/eudr/2008/84/annex/I

ANNEX I

Synonyms	BHA
Definition
Chemical names	3-Tertiary-butyl-4-hydroxyanisole
Chemical names	A mixture of 2-tertiary-butyl-4-hydroxyanisole and 3-tertiary-butyl-4-hydroxyanisole
Einecs	246-563-8
Chemical formula	C₁₁H₁₆O₂
Formula weight	180,25
Assay	Content not less than 98,5 % of C₁₁H₁₆O₂ and not less than 85 % of 3-tertiary-butyl-4-hydroxyanisole isomer
Description	White or slightly yellow crystals or waxy solid with a slight aromatic smell
Identification
A. Solubility	Insoluble in water, freely soluble in ethanol
B. Melting range	Between 48 °C and 63 °C
C. Colour reaction	Passes test for phenol groups
Purity
Sulphated ash	Not more than 0,05 % after calcination at 800 ± 25 °C
Phenolic impurities	Not more than 0,5 %
Specific absorption $E_{1%}^{1cm}$	$E_{1%}^{1cm}$ (290 nm) not less than 190 and not more than 210
Specific absorption $E_{1%}^{1cm}$	$E_{1%}^{1cm}$ (228 nm) not less than 326 and not more than 345
Arsenic	Not more than 3 mg/kg
Lead	Not more than 5 mg/kg
Mercury	Not more than 1 mg/kg