| Slightly Soluble | in ether |
| Appearance | Colorless / white / almost white powder |
| Solubility | Very soluble in water, freely soluble in ethanol, sparingly soluble in ether |
| Taste | Strong acidic taste |
| Odor | Typical, practically odorless |
| Clarity of Solution | Conforms |
| Assay | 99.7 - 100.3 % |
| Readily Carbonizable Substances | Conforms |
| Calcium | No more than 30 mg/kg |
| Heavy Metals | No more than 5 mg/kg |
| Iron | No more than 3 mg/kg |
| Arsenic | No more than 1 mg/kg |
| Lead | No more than 0.5 mg/kg |
| Mercury | No more than 0,5 mg/kg |
| Chloride | No more than 5 mg/kg |
| Residue on Ignition | No more than 0.05% |
| Sulfated Ash | No more than 0.05% |
| Filtration test | No more than 40 mg/kg (weight test, 0.2 um) |
| Particles > Mesh 25 (0.71 mm) | No more than 10% |
| Particles < 0.20 mm | No more than 10% |
| Particles < Mesh 100 (0.150 mm) | No more than 10% |
| Identification | Conforms |
| Appearance of Solution | Conforms |
| Water | 7.5 - 8.8 % |
| Oxalate | No more than 100 mg/kg |
| Sulfate | No more than 100 mg/kg |
| Particles > 0.63 mm | No more than 10% |
| Molecular weight | 210.14 |
| Color | white or colorless crystal or powder |
| Chemical Structure |  |
| Class | Active Pharmaceutical Ingredients (API) & Intermediates, Food and Beverage Chemicals - Sweeteners - Acidulants - Emulsifiers, pH Adjusters, Industrial Chemicals, Specialty Citrates and Naturally Fermented Products |
| Industry | Food Chemicals, Industrial, Pharmaceutical |
