Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
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EC number: 202-804-9 | CAS number: 99-96-7
Storage stability and reactivity towards container material
Administrative data
Link to relevant study record(s)
Description of key information
Considering that acetic acid is one of the strongest organic acid,
refering to annex VI of the regulation EC 1278/2008, in which acetic acid has been classified as not corrosive to metals and
assuming the fact that the acid capacity is one of the main criterion to determine the corrosivity of a substance;
we can conclude that the substance 4-HBA, which is less acid than acetic acid, could not be corrosive to metals.
NB: The criteria for substances and mixtures corrosive to metals stipulate that a substance is corrosive to metal if the corrosion rate on either steel or aluminium surfaces exceeding 6,25 mm per year at a test temperature of 55°C when tested on both steel and aluminium.
Additional information
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.
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