Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Particle size distribution (Granulometry)

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Administrative data

Link to relevant study record(s)

Description of key information

Two types of powders (Carbonyl iron powder, iron powders) indicate the lowest anticipated value measure for each powder
Iron Powders: D10: 15 microns, D50 33 microns, D90 56 microns
Carbonyl Iron Powder: D10 2.5 microns, D50 8 microns, D90 24 microns; <100 Micron: 100 % <10 Micron: 3.5% <4 Micron: 2.8 %

Additional information

Form of Iron


Iron Furnace / pig iron

liquid 300 tonnes ~1600°C

solid 3-15 kg ~20°C

Iron Furnace / DRI

lumps and pellets: average particle size 6.35mm to 25mm.

Iron Furnace / HBI

Briquette weight 0.2 to 3.0 kg

Elemental Iron

Elemental Iron (in alloys) in mixture and articles, in a form of powder or massive

Iron powder


Carbonyl Iron Powder

Fine Powder

 Electrolytic iron   Flakes: ~ 3-7mm thick, ~3-15mm width x length Billets: ~ < 155mm x 155mm