Calcium L-Threonate:
| General Information |
| Products name:Calcium L-Threonate |
| CAS NO :70753-61-6 |
| EINECS NO: 615-158-1 |
| Molecular formula: C8H14CaO10 |
| Molecular weight: 310.27 |
| Synonyms：L-Threonic Acid Calcium;L-threonic acid hemicalciumsalz;L-Threonic acid calcium salt;(2R,3S)-2,3,4-Trihydroxybutyric acid hemicalcium salt |
| Purity:98% |
| Appearance:white powder |
| USES: Food additives |
| BASIC ANALYSIS | ||
| Item of Analysis | Specification | Results |
| Assay of Calcium L-Threonate | ≥98% | Conforms |
| Organoleptic | ||
| Appearance | White or almost white Powder | Conforms |
| Odor | Characteristic | Conforms |
| Taste | Characteristic | Conforms |
| Physical Characteristics | ||
| Identification | Positive | Positive |
| Specific optical rotation | +12.0~+14.3° | Conforms |
| Water insoluble | ≤0.10% | Conforms |
| Loss on drying | ≤1.00% | Conforms |
| pH | 5.8~7.0 | Conforms |
| Heavy metals | ||
| Heavy metals(Pb) | ≤10ppm | <10ppm |
| Chloride (Cl) | ≤0.05% | <0.05% |
| Arsenic (As2O3) | ≤2PPM | <2ppm |
| Microbiological Tests | ||
| Total Bacteria Count | ≤1000cfu/g | Conform |
| Yeast & Mold | ≤100cfu/g | Conform |
| E. Coli. | Negative | Conform |
| Salmonella | Negative | Conform |
| Staphylococcus | Negative | Conform |
