Ethylenediaminetetraacetic acid (EDTA)

Specifications:

Items	Specifications
Appearance	white powder
Color	≤ 50 Pt-Co / APHA
Assay	86 min
Grade Standard	Agriculture Grade
Classification	Calcium Organic Salt
pH of a 1% wv aqueous solution	11.0 -12.0
Solubility in water	approx. 1100 g
Bulk density tapped	approx. 700 to 900 kg/m3
Bulk density untapped (poured)	approx. 500 to 700 kg/m3

Physical properties

• Appearance: white crystalline powder.
• Melting point: about 240°C (decomposition).
• Solubility: slightly soluble in water, easily soluble in alkaline solution, 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, 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.