COPPER EDTA 99%, Cu-15%, kg

Parameters	Feature
Copper disodium EDTA	Copper disodium EDTA, copper disodium edetate, copper disodium ethylenediaminetetraacetate, copper chelate, organic copper
Formula	C10H12N2Na2O8Cu
Structure
IUPAC	Copper(2+) disodium 2-({2-bis(carboxylatomethyl)amino]ethyl}(carboxylatomethyl)amino)acetate
INCI	DISODIUM EDTA-COPPER
CAS	14025-15-1
Clay mass	397,74 g/mol
Density	1,727 g/cm3 (20 °C)
Solubility	1200g/L 20oC in water

Cu EDTA 14% is the most widely used source of copper deficiency prevention worldwide. It is a very pure, water-soluble copper chelate and can therefore be used for foliar fertilisation and/or as an NPK ingredient. EDTA (ethylenediaminetetraacetic acid) protects its chelating nutrients within a limited pH range (pH 4-6.5).

In agriculture and horticulture, the use of copper EDTA in fertiliser applications results in significantly lower fertiliser consumption to achieve the same effect. As the compound is organic, the copper it contains is unaffected by other substances in the environment, so that it reaches the plant in full. This avoids over-fertilisation, requires considerably less material and gives maximum effect. Copper EDTA avoids serious consequences for yield and quality. Chelated copper EDTA is often used for foliar application because it does not burn the leaves and is not toxic to the environment at higher levels. It also avoids the introduction of heavy elements such as nickel impurities in copper sulphate. It can be used as a prophylactic or therapeutic treatment as soon as symptoms appear. Copper is a very active element in redox reactions, involved in photosynthesis, respiration, carbon and nitrogen metabolism and protection against oxidative stress. It is essential for the proper lignification of cell walls, especially in the xylem vasculature throughout the plant, as well as for pollen formation and seed set. Cu EDTA - 15 % provides a rapid correction of copper deficiency and treats the physiological disorders caused by copper deficiency (e.g. reduced redox activity, distortion of young leaves, bending and twisting of stems and twigs, impaired flower and fruit formation, sterility of the pollen and reduced seed set).

Low-volume use: Spray - Prepare a solution of 0,05 % to 0,1 % (0,5 - 1,0 g/l) and spray so that the leaves and stems are covered with a thin film of moisture with little or no run-off.

Do not exceed 0.1% (1 g/l) of any chelate solution or combination thereof. The sensitivity of some fruit varieties and plants to EDTA chelates may be unpredictable. In the absence of local experience of successful use, we strongly recommend small-scale trials before widespread use.

In cosmetics, copper EDTA is used as a colouring agent (slightly bluish in colour) and as a mild pore tightening agent. The most common concentrations are 0.1-0.2% of the final product weight. It is found in skin moisturisers, brightening serums, cleansing lotions and gels, restorative masks and other products. Its functions (INCI):

• Astringent: helps tighten skin pores
• Chelating : Reacts and forms complexes with metal ions, which may affect the stability and/or appearance of cosmetic products.

In aquariums, copper EDTA is used for trace element enrichment in planted aquariums, especially in plant aquariums where copper is deficient. Copper deficiency is manifested by a general inhibition of plant growth, brown, large spots on the leaves and wrinkled foliage.

In electroplating/metal extraction, copper EDTA is used as a stabilised form of copper, where it allows the copper ions to remain in the electroplating solutions without forming insoluble compounds, even in alkaline or mildly oxidising environments. The electroplating becomes more uniform with less impurities of inorganic salts.

In the cleaning industry, Cu-EDTA is used as a shampoo ingredient that softens water and leaves a copper nano-layer on the surface after the cleaning/washing procedure. This process takes place on metal, galvanised, aluminium surfaces, where the cleaning process dissolves the oxides (dirt) of these metals and an oxidation/reduction reaction occurs, resulting in the formation of metallic copper particles on the surface. This makes the surface resistant to moss, lichen growth and mould. In some cases, the coating acts as an anticorrosion protection, preventing weathering from damaging the base metals.

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