| Chemical formula | CH3CHOHCOONa |
|---|---|
| Chemical name | sodium salt of L-2-hydroxypropionic acid |
| Molecular weight | 112,06 g/mol |
| Appearance | liquid, pale yellow, clear, viscous |
| Odor | characteristic |
| Designation | E325 |
| Sodium lactate | 60,0 - 61,0 % |
| Color (fresh) | max 30 APHA |
| L(+) isomer content | min 97 % |
| Density at 20°C | 1,32 - 1,34 g/ml |
| pH of 20% solution | 6,5 - 7,5 |
| Sodium | 12,1 - 12,6 % |
| Chlorides | max 50 ppm |
| Sulfates | max 20 ppm |
| Calcium | max 20 ppm |
| Iron | max 10 ppm |
| Cyanides | max 0,3 ppm |
| % | max 5 |
| Lead | max 2 % |
| Arsenic | max 1 % |
| Mercury | max 1 % |
| Acidity, calculated as lactic acid | max 0,3 % |
| Citrates, phosphates, oxalates, tartrates | test conforms |
| Lactates and potassium | test conforms |
| Identification | conforms |
| Reducing substances | absent per Fehling's test |
| Shelf life | 2 years from date of production. |
| Form | Powder |
Sodium lactate is an aqueous solution of the sodium salt of lactic acid, obtained through natural fermentation of sugar. It is a bacteriostatic agent - it inhibits the growth of harmful microorganisms in food products.
Food industry.
