Product Description
Tetrasodium EDTA (EDTA-4Na, CAS 67401-50-7) is a high-efficiency water-soluble chelating agent with the molecular formula C₁₀H₁₉N₂NaO₉. Relying on its strong metal sequestering capability, it minimizes adverse effects caused by trace metal ions, optimizing both production processes and finished product quality.
Product Parameters
| Molecular Formula: | C10H19N2NaO9 |
| Molecular Weight: | 334.26 g/mol |
| Appearance: | White crystalline powder |
| Solubility: | Soluble in water, insoluble in alcohol and acetone |
| pH Value: | 10.5-11.5 (5% aqueous solution) |
| Melting Point: | >300°C |
| Boiling Point: | 614.2ºC at 760 mmHg |
Application Scenarios
Water Treatment – Sequesters heavy metal ions to purify water quality and stabilize circulating water systems.
Textile & Dyeing – Removes metal impurities during fabric processing, improving dye uniformity, color brightness and finishing effect.
Rubber Manufacturing – Acts as an efficient activator for styrene-butadiene rubber synthesis to enhance polymerization efficiency.
Chemical Analysis – Widely adopted in complexometric titration for precise quantitative detection of various metal ions.
Cosmetics & Pharmaceuticals – Functions as a stabilizer and auxiliary preservative to inhibit ingredient deterioration, extend product shelf life and maintain formula stability.
