Disodium EDTA (EDTA-2Na)
Introduction:
Disodium EDTA (EDTA-2Na), with the chemical formula C₁₀H₁₄N₂Na₂O₈·2H₂O, is the disodium salt form of EDTA, with stronger water solubility and chelating ability, and is widely used in industry, medicine, food and other fields.
Specifications:
Items | Specification |
---|---|
Appearance | white crystal powder |
Grade Standard | Food Grade, Industrial Grade |
Model Number | HHG0727-009 |
Molecular weight | 372.24 |
Purity | 99%min |
MF | C10H14N2O8Na2 2H2O |
EINECS No. | 205-358-3 |
CAS No. | 139-33-3 |
Physical properties:
Appearance: white crystalline powder or granules.
Melting point: about 248°C (decomposition).
Solubility: easily 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 chelation reaction with metal ions, and is widely used in the removal and stabilization of metal ions.
Main uses:
Industrial application: 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.