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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
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.
EC number: 201-171-6 | CAS number: 79-04-9
Endpoint summary
Administrative data
Description of key information
Data waiving: According to column 2 of REACH Annex VII, the acute toxicity studies do not need to be conducted since the substance is classified as corrosive to the skin.
Futhermore, the substance is included in the harmonised classification and labelling list.
Key value for chemical safety assessment
Additional information
According to column 2 of REACH Annex VII, the acute toxicity studies do not need to be conducted since the substance is classified as corrosive to the skin. Futhermore, the substance is included in the harmonised classification and labelling list and it is classified as follows:
According to the CLP Regulation:
Acute oral toxicity: Acute category 3 (minimum classification)
Acute dermal toxicity: Acute category 3 (minimum classification)
Acute inhalation toxicity: Acute category 3 (minimum classification)
According to the Directive 67/548/EEC:
T, R23/24/25
Supporting information: an oral LD50 in rat of 208 mg/kg is available from a peer reviewed documentation. This value supports the classification as Acute oral toxicity category 3.
An inhalation 4 -h LC50 in rat of 1000 ppm is available from a peer reviewed documentation. This value supports the classification as Acute inhalation toxicity category 3.
No information is available on acute dermal toxicity.
Justification for classification or non-classification
According to column 2 of REACH Annex VII, the acute toxicity studies do not need to be conducted since the substance is classified as corrosive to the skin. Futhermore, the substance is included in the harmonised classification and labelling list and it is classified as follows:
According to the CLP Regulation:
Acute oral toxicity: Acute category 3 (minimum classification)
Acute dermal toxicity: Acute category 3 (minimum classification)
Acute inhalation toxicity: Acute category 3 (minimum classification)
According to the Directive 67/548/EEC:
T, R23/24/25
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.
