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Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

Ethylenediaminetetraacetic acid, copper disodium complex (EDTA-CuNa2) is not classified as dangerous or hazardous.

 EDTA-CuNa2 consists of odourless blue microgranules.
 EDTA-CuNa2 does not melt under the decomposition temperature of 219°C.
 The relative density at 20ºC of EDTA-CuNa2 is 1.727.

Characteristics of the PSD


35.7 µm


101 µm


176 µm

Fraction < 100 µm

49.2 % v/v

Fraction < 10 µm

2.9 % v/v

Fraction < 5 µm

1.5 % v/v

 The vapour pressure of EDTA-CuNa2 will be low.
 The estimated log Kow of EDTA-CuNa2 is -10.4160.
 The water solubility of EDTA-CuNa2 is 680g/L at 0°C.
 The self-ignition temperature of EDTA-CuNa2 is 280°C.
 EDTA-CuNa2 is non flammable, non explosive and has no oxidising properties.
 The stability and dissociation constants log K of EDTA-CuNa2 are 18.78, 3.1, 2.0 and 11.4.