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WATER/SOIL TREATMENT
Ethylene Diamine Tetraacetic Acid—EDTA Acid
Synonyms
Diaminoethane-tetraacetic acid, Edetic acid, Ethylenedinitrilo-tetraacetic acid, Versene
Chemical Formula
C10H16N2O8
Assay
99.0% min.
pH
2.8–3.0
Appearance
White powder
Chloride
0.05% max.
Sulfate
0.05% max.
Iron
0.001% max.
Heavy Metals
0.001% max.
Chelate Value (mgCaCO3/g)
339 min.
Transport regulations
Packing Group: II, UNNA
Application
White crystal powder, soluble in sodium hydroxide, sodium carbonate and ammonia solution, not soluble in cold water, acid and common organic solvents, and discomposed at 240°C. Mainly applied to complex metal ions, and separating metal; used as water-treating agents and scale-eliminating agents; capable of preventing the harmful effects on production caused by metal ions in water ; also used in the cleaning the boilers in large-scale power plants.
Application
Store in cool, dark, ventilated and dry place.
 
Na3T and SOREM
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