Sodium gluconate
General Product Information
| Article | Sodium gluconate |
| Synonyms | Lodic acid, Potassium salt |
| CAS No. | 527-07-1 |
| EEG No. | – |
| EINECS No. | 208-407-7 |
| IMO | – |
| Tariff Code | 2918160010 |
| UN No. | – |
| VLG/ADR | – |
Description
Sodium gluconate is the sodium salt of gluconic acid, an organic acid that occurs naturally and is derived from glucose. It is a white, crystalline powder that is highly soluble in water and virtually odorless and tasteless. Because of its strong chelating properties, sodium gluconate is widely used in various industrial sectors.
Characteristics
- Odor: Odorless.
- Hygroscopic: –
- Color: White.
- Grade: Technical.
- Solubility: Highly soluble in water, insoluble in alcohol and organic solvents.
- Shape: Crystalline powder.
Physical & Chemical Properties
| Chemical Structure | C6H11NaO7 |
| Molar Weight | 218.14 g/mol |
| Melting Point | 230 °C (decomposes) |
| Boiling Point | – |
| Density | – |
| Refractive Index | – |
| pH | Approx. 7.5-9.5 (on 1% solution). |
Applications
Sodium gluconate is applied in various ways, for instance:
1. Cosmetic industry
Used as a chelating agent and stabilizer in various personal care products and pharmaceuticals.
2. Water Treatment
Improves the performance of water softeners and prevents corrosion in piping systems by binding metal ions.
3. Metal Industry
Sodium gluconate is used as a chelating agent to bind metal ions, which is essential in detergents, coolants and electrolytic processes. It helps prevent corrosion and deposits.
4. Building Materials
Added to concrete and mortar to improve workability and delay curing, increasing the Grade and durability of the material.
Interessing Links
- CAS Common Chemistry – Sodium Gluconate
- European Chemicals Agency (ECHA) – For chemical information and regulations.
- PubChem – Sodium Gluconate – Chemical information by the National Library of Medicine of the National Center for Biotechnology Information (NIH-NCBI).
- Wikipedia – Sodium gluconate