Tetrasodium EDTA (EDTA-4Na)
Introduction:
Tetrasodium EDTA (EDTA-4Na), with the chemical formula C₁₀H₁₂N₂Na₄O₈, is the tetrasodium salt form of EDTA. It has strong water solubility and chelating ability and is widely used in industry, medicine, food and other fields.
Specifications:
Items | Specification |
---|---|
Appearance | White Powder |
Classification | Sodium Organic Salt |
Grade | Indstrial Grade |
MW | 416.2 |
MF | C10H16N2Na4O10 |
Purity | 99% |
PH | 10.5-11.5 |
EINECS | 600-485-4 |
CAS No. | 13235-36-4 |
Physical properties:
Appearance: white crystalline powder or granules.
Melting point: about 240°C (decomposition).
Solubility: very soluble in water, slightly soluble in ethanol, insoluble in most organic solvents.
Density: about 0.86 g/cm³.
Chemical properties:
Chelating ability: can form stable water-soluble complexes with a variety of metal ions.
Stability: stable chemical properties, not easy to decompose at room temperature.
Reactivity: can undergo chelating reaction with metal ions, widely used in the removal and stabilization of metal ions.
Main uses:
Industrial applications: used for metal ion chelation in water treatment, textile, papermaking and other industries.
Pharmaceutical industry: as an antidote, used for the treatment of heavy metal poisoning.
Food industry: as a preservative and antioxidant, used in beverages, canned foods, etc.
Cosmetics: as a stabilizer, used in skin care products, shampoos, etc.
Laboratory applications: used in experiments such as buffer solutions and metal ion chelation.
Safety:
Toxicity: low toxicity, but high concentrations may irritate the skin and eyes.
Storage: stored in a cool, dry, ventilated place, away from oxidants.
Environmental protection:
Biodegradability: can be degraded by microorganisms, but at a slow rate.
Environmental impact: emissions must be controlled during production and use to reduce environmental impact.
Specifications and packaging:
Specifications: industrial grade, food grade, pharmaceutical grade, etc., purity is usually ≥99%.
Packaging: 25 kg bag or as required by customers.