Sodium citrate, dihydrate (catalogue No. 106448) is a solid analytical reagent supplied under the EMSURE product line by MilliporeSigma / Merck. This reagent grade trisodium citrate dihydrate complies with ACS, ISO and Reag. Ph Eur quality standards and is widely used in classical inorganic analysis, buffer and complexation chemistry, and pH adjustment in laboratory protocols. The product is available in 500 g, 1 kg, 5 kg and 25 kg pack sizes to support small and large-scale laboratory workflows.
Sodium citrate, dihydrate, catalogue No. 106448, is a high-purity analytical reagent supplied by MilliporeSigma / Merck under the EMSURE product line. It consists of sodium citrate tribasic dihydrate, commonly used as a buffer component, chelating agent and pH stabilizer in a wide range of laboratory and analytical applications. It complies with ACS reagent, ISO and Reag. Ph Eur specifications, making it suitable for classical inorganic analysis, buffer preparation and other quality-sensitive lab workflows. The product is available in a range of packaging sizes — 500 g, 1 kg, 5 kg and 25 kg — to accommodate different laboratory and production needs.
Advantages
- High-purity reagent grade sodium citrate dihydrate suitable for analytical chemistry.
- Meets ACS, ISO and Reag. Ph Eur quality standards for reliable performance.
- Useful as a buffer, complexing agent and pH adjuster in laboratory workflows.
- Offered in multiple pack sizes (500 g, 1 kg, 5 kg, 25 kg) for flexibility.
- Solid crystalline form ensures good storage stability and easy handling.
Technical specifications
| Chemical name | Sodium citrate, dihydrate |
| Empirical formula | C6H5Na3O7 · 2H2O |
| Molecular weight | 294.10 g/mol |
| Grade | EMSURE® ACS, ISO, Reag. Ph Eur |
| Form | Solid crystalline |
| Assay | 99.0–101.0 % (perchloric acid titration) |
| Pack sizes | 500 g; 1 kg; 5 kg; 25 kg |
| Typical applications | Buffer preparation, pH control, classical analysis |
| Storage conditions | 2–30 °C |
| Brand | Merck |
