Product Category: Buffering Agents / Chelating Agents / Food & Process Chemicals
Chemical Name: Trisodium Citrate
Alternative Names: Sodium Citrate / Tri-Sodium Citrate
Common Forms: Dihydrate and Anhydrous
Appearance: White crystalline powder or granules
Product Overview
Tri-Sodium Citrate is the fully neutralised sodium salt of citric acid and is used extensively as a buffering, chelating, pH-regulating and sequestrating agent.
Commercial Tri-Sodium Citrate is commonly available as dihydrate or anhydrous material, and the supplied form should be confirmed before publishing a molecular weight or moisture specification.
Typical Product Characteristics
| Property | Typical Reference |
| SKU | MCS-T2 |
| Appearance | White crystalline powder / granules |
| Dihydrate Formula | C₆H₅Na₃O₇·2H₂O |
| Anhydrous Formula | C₆H₅Na₃O₇ |
| Water Solubility | Freely soluble |
| Function | Buffer / chelator / sequestrant |
| Dihydrate CAS | 6132-04-3 |
| Anhydrous CAS | 68-04-2 |
Jungbunzlauer supplies both dihydrate and anhydrous forms and identifies buffering, chelation, stabilisation and pH regulation as key functions.
Applications
- pH buffering
- Food and beverage processing where certified food grade is supplied
- Detergent manufacture
- Water treatment
- Personal-care formulations
- Pharmaceutical manufacturing where certified grade is supplied
- Chelation
- Metal-ion control
Key Benefits
- Excellent buffering
- Effective chelation
- Highly water soluble
- Biodegradable
- Useful phosphate replacement in selected formulations



