Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

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.