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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

 Diethylenetriaminepentaacetic acid, ferric-diammonium complex DTPA-Fe(NH4)2 53% aqueous solution is not classified as dangerous or hazardous.

Diethylenetriaminepentaacetic acid, ferric diammonium complex DTPA-Fe(NH4)2, 53% aqueous solution is an odourless clear red-brown liquid.

The freezing range of Diethylenetriaminepentaacetic acid, ferric diammonium complex DTPA-Fe(NH4)2, 53% aqueous solution is expected to be between -20 and 0°C

The boiling range of Diethylenetriaminepentaacetic acid, ferric diammonium complex DTPA-Fe(NH4)2, 53% aqueous solution is expected to be between 100-110°C.

The density of the commercial product Dissolvine D-Fe-6 (53% DTPA-Fe(NH4)2 aqueous solution) is 1280 kg/m3.
The vapour pressure of Diethylenetriaminepentaacetic acid, ferric diammonium complex, 53% aqueous solution will be comparable to the vapour pressure of Ethylenediaminetetraacetic acid, copper diammonium complex, 55% aqueous solution at 20°C, which is 2.03 ± 0.05 kPa.This is slightly lower than the vapour pressure of pure water, which is 2.23 kPa at 20°C
 The estimated log Kow for DTPA-Fe(NH4)2 is -13.88.
 The water solubility of pure DTPA-Fe(NH4)2 is at least 678 g/L.

Diethylenetriaminepentaacetic acid, ferric-diammonium complex DTPA-Fe(NH4)2is non flammable, non explosive and has no oxidising properties. 
 The stability and dissociation constants log K of DTPA-Fe(NH4)2 are 28.0, 3.56 and 9.66.
 The viscosity of a 53% DTPA-Fe(NH4)2 aqueous solution is 11.8 mPas at 20 °C.