Sodium citrate (E331) is a versatile food additive used as a flavour enhancer, buffering agent, emulsifier and preservative in food, beverages and pharmaceuticals.
Inquire About This ProductSodium Citrate (trisodium citrate, E331) is the sodium salt of citric acid. It is a mild, saline-tasting compound widely used in food and beverage production as a buffering agent, flavour enhancer and emulsifier. Its sequestering properties also make it effective as a preservative and stabiliser.
Our food grade sodium citrate meets FCC, BP and USP specifications and is suitable for use in carbonated beverages, dairy products, processed cheese, jellies, pharmaceutical preparations and as a blood anticoagulant excipient. Supplied as dihydrate granules or fine powder.
| Chemical Name | Sodium Citrate |
| CAS Number | 68-04-2 |
| Molecular Formula | C₆H₅Na₃O₇·2H₂O |
| Purity | 99% min |
| Appearance | White Crystalline Granules / Powder |
| Assay | 99.0 – 101.0% |
| Heavy Metals (as Pb) | ≤ 5 ppm |
| Oxalate | ≤ 0.035% |
| pH (5% solution) | 7.5 – 9.0 |
| Loss on Drying | 10.0 – 13.0% (dihydrate) |
| UN Number | Not regulated |
| Hazard Class | Not classified as dangerous goods |
Available in moisture-resistant packaging. Custom options on request.
| 25 kg Bag | PE/PP food-grade bag |
| 1000 kg Bag | FIBC / big bag |
| Storage | Cool, dry, well-ventilated area away from incompatible materials |
Contact our team for pricing, availability and technical data sheets.
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