ANNEX ISupplementary provisions
ANNEX I SPECIFICATIONS OF HYDROXYTYROSOL Definition: Chemical name IUPAC name: 4-(2-hydroxyethyl)-benzene-1,2-diol Synonyms: 3-Hydroxytyrosol 3,4-dihydroxyphenylethanol Dihydroxyphenylethanol 2-(3,4-Di-hydroxyphenyl)-ethanol Chemical formula C 8 H 10 O 3 Molecular mass 154,16 Da CAS No. 10597-60-1 Description: Hydroxytyrosol is a pale-yellow viscous liquid. Specifications: Parameter Specifications Description Slightly yellow viscous liquid Moisture ≤ 4,0 % Odour Characteristic Taste Slightly bitter Solubility (water) Miscible with water pH 3,5-4,5 Refractive Index (25 °C) 1,571-1,575 Hydroxytyrosol and organic by-products of the chemical synthesis Hydroxytyrosol ≥ 99,0 % Acetic acid ≤ 0,4 % Hydroxytyrosol acetate ≤ 0,3 % Sum of homovanillic alcohol, iso-homovanillic alcohol, and 3-methoxy-4-hydroxyphenylglycol ≤ 0,3 % Heavy Metals Lead ≤ 0,03 mg/kg Cadmium ≤ 0,01 mg/kg Mercury ≤ 0,01 mg/kg Residual solvents Ethyl acetate ≤ 25,0 mg/kg Isopropanol ≤ 2,50 mg/kg Methanol ≤ 2,00 mg/kg Tetrahydrofuran ≤ 0,01 mg/kg