Division Specifications:
United Kingdom
| 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 |