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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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.