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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Ecotoxicological information

Endpoint summary

Administrative data

Description of key information

Additional information

The available studies for the aquatic toxicity of EDTA-FeNH4(NH4)OH (based on read-across, for justification see IUCLID section 13): 

Guideline

Test species

Endpoint

Result (test substance)

Remarks

Standard methods for the examination of water and wastewater

Pimephales promelas

96h-LC50

208 mg/l

Key study, prior to GLP, rel. 2

Read-across from FeNH4-EDTA

OECD 203

Oncorhynchus mykiss

96h-LC50

96h-NOEC

>94 mg/l

94 mg/l

Supportingstudy, GLP, rel. 1

Read-across from EDTA-FeNa.3H2O

EPA-600/3-75-009

Pimephales promelas

96h-LC50

>100 mg/l

Supporting study, non-GLP , rel. 2

Read-across from sodium ferric EDTA (value expressed as tested substance)

OECD 210

Danio rerio

35d-NOEC

≥27.3 mg/l

Key study, GLP, rel. 1

Read-across from CaNa2-EDTA

OECD 202

Daphnia magna

48h-EC50

48-NOEC

95 mg/l

28 mg/l

Key study, GLP, rel. 1

Read-across from EDTA-FeNa.3H2O

EPA-600/3-75-009

Daphnia magna

96h-LC50

32 mg/l

Supporting study,non-GLP, rel. 2

Read-across from sodium ferric EDTA (value expressed as tested substance)

ISO 6341

Daphnia magna

24h-EC50

121 mg/l

Supporting study,non-GLP, rel. 2

Read-across from Fe(III)-EDTA

EEC Guideline XI/681/86, Draft 4

Daphnia magna

21d-NOEC

29 mg/l

Key study, GLP, rel. 1

Read-across from Na2-EDTA

OECD 201

Pseudokirchnerella subcapitata

72h-EC50

72h-NOEC

>82 mg/l

66 mg/l

Key study, GLP, rel. 1

Read-across from a test done with equimolar amounts of NaHEDTA.2H20 and FeCl3.6H20

No data

Scenedesmus subspicatus

NOEC

>104 mg/l

Supporting study, from RAR, rel. 2

Read-across from Fe(III)-EDTA

OECD 209

Activated sludge (predominantly domestic)

3h-EC50

3h-NOEC

>604 mg/l

≥604 mg/l

Key study, GLP, rel. 1

Read-across from EDTA-FeNa.3H2O

-

Photobacterium phosphoreum

15min-EC50

88.4 mg/l

Supporting study,non-GLP, rel. 2

Read-across from Fe(III)-EDTA (value expressed as tested substance)