Substance Regulatory Obligations



EC number: 231-116-1

CAS number: 7440-06-4

Last updated: 10/10/2020
ECHA Legislation Regulatory Obligations

Regulatory obligations may exist for this substance under the legislations under ECHA’s remit or for which ECHA has delegated tasks (i.e. REACH, CLP, BPR, PIC, CAD / CMD, WFD, and POPs). Please check the substance Infocard.

Chemical, Physical and Biological Agents at Work Directive

Chem, Phys and Biological Agents at Work Directive - Indicative OELVs

This list contains the indicative occupational exposure limit values (IOELVs) from Commission Directive 91/322/EEC. The limit values for some of the substances originally listed in this Directive were later transferred to Directive 2006/15/EC. Currently, the amended version of Directive 91/322/EEC establishes values for a reference period of eight hours for 6 entries.

Name EC Number CAS Expressed As Long-term Exposure Limit (LTEL) Values Physical form Miscellaneous Notes
mg/m3 ppm
1 mg/m3
1 Existing scientific data on health effects appear to be particularly limited.

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