Sorbic Acid
Introduction
Sorbic acid, or 2,4-hexadienoic acid, is a natural organic compound used as a food preservative. Sorbic acid has the chemical formula C6H8O2. Sorbic acid is a colourless solid that is slightly soluble in water and sublimes readily. Sorbic acid was first isolated from the unripe berries of the rowan tree (Sorbus aucuparia), hence its name.
Specification
| ITEMS | STANDARD |
| Appearance | White crystalline powder |
| Identification | Conforms |
| Heat Stability | Not change in color after heating for 90 minutes at 105°C |
| Odor | Slight characteristic odor |
| Purity | 99.0-101.0% |
| Water | ≤0.5% |
| Melting Range (°C) | 132-135 |
| Residue on Ignition | ≤0.2% |
| Aldehydes (as Formaldehyde) | 0.1% Max |
| Lead (Pb) | ≤5 mg/kg |
| Arsenic (As) | ≤2 mg/kg |
| Mercury (Hg) | ≤1 mg/kg |
| Heavy Metals (as Pb) | ≤10 mg/kg |
Application
Soluble in water and can be used as Preservatives. It can be widely used as food ingredient or food additive in our daily life,food, beverages, tobacco, pesticides, cosmetics and other industries. As an unsaturated acid,Sorbic Acid also can be used in resins, spices and rubber industry.
