Registration Dossier

Diss Factsheets

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

EDTA-CaNa2 (Ethylenediaminetetraacetic acid, calcium disodium complex) is not classified as dangerous or harmful.

EDTA-CaNa2. 2H2O consists of odourless white microgranules.

EDTA-Ca Na2 does not melt under 240°C and starts to decompose at 295°C.

The relative density of ethylenediaminetetraacetic acid, calcium disodium complex is 1.647.

Average PSD characteristics of Ethylenediaminetetraacetic acid, calcium disodium complex are:

CFC-9325A CFC-9325B

d10 32.4 µm 28.7 µm

d50 89.2 µm 83.0 µm

d90 184 µm 169 µm

Fraction < 100 µm 57.8 % v/v 62.6 % v/v

Fraction < 10 µm 3.0 % v/v 3.4 % v/v

Fraction < 5 µm 1.6 % v/v 1.7 % v/v

The vapour pressure is low.

The estimated log Kow for EDTA-CaNa2 is -10.4160.

The water solubility of the substance is at least 28% w/w .

EDTA-CaNa2 is non flammable, non explosive and has no oxidising properties.

The self-ignition temperature of Ethylenediaminetetraacetic acid, calcium disodium complex is 292°C.

The stability and dissociation constants log K of EDTA-CaNa2 are 10.65 and 3.1.