Registration Dossier

Diss Factsheets

Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.

REACH

Sodium [N-[2-[bis(carboxymethyl)amino]ethyl]-N-(2-hydroxyethyl)glycinato(4-)]ferrate(1-)

EC number: 257-036-7 | CAS number: 51181-50-1

Life Cycle description
Uses advised against

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

Hydroxyethylethylenediamine-triaceticacid, ferric-sodium complex (HEDTA-FeNa) is not classified as dangerous or hazardous.

HEDTA-FeNa consists of odourless red brown microgranules.

HEDTA-FeNa does not melt before the decomposition, which starts at 203°C.

The relative density of hydroxyethylethylenediaminetriacetic acid, ferric complex, sodium salt is 1.362.

Characteristics of the PSD
d₁₀	51.3 µm
d₅₀	118 µm
d₉₀	208 µm
Fraction < 100 µm	37.8 % v/v
Fraction < 10 µm	1.6 % v/v
Fraction < 5 µm	0.9 % v/v

The vapour pressure is low.

The estimated log Kow for HEDTA-Fe(III)Na is -8.66.

The water solubility of HEDTA-FeNa is at least 47% w/w at 30°C.

The self-ignition temperature of Hydroxyethylethylenediaminetriacetic acid, ferric complex, sodium salt is 272°C.

HEDTA-FeNa is non flammable, non explosive and has no oxidising properties.

The stability and dissociation constants log K of HEDTA-FeNa are 19.7, 3.88 and 8.83.

Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.