Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Storage stability and reactivity towards container material

Currently viewing:

Administrative data

Link to relevant study record(s)

Description of key information

7647 -01 -0, HCl,
The corrosion rates of Aluminium 7075 T6 are above the corrosion threshold of 6.25 mm/year in >0.1 wt% HCl. Aluminium show pitting corrosion in the Vapor/Liquid and Vapor phase at 1 and 5 wt% HCl.
The corrosion rates of carbon steel SAE 1020 are above the corrosion threshold of 6.25 mm/year in ≥ 1 wt% HCl.
According to the criteria in the UN Standard, aqueous solutions of HCl containing ≥ 0.1 wt% HCl should be classified as corrosive to metals..

Additional information

See:

7647-01-0, Corrosion to carbon steel SAE 1020, Maass, 2010, rs

7647-01-0, Corrosion to Aluminium 7075 T6 , Maass, 2010, rs