legislation-obligation

Substance Regulatory Obligations

OBL

Diisocyanates

EC number: -

CAS number: -

Last updated: 02/07/2024
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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.

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CAD - Chemical Agents Directive

CAD - Chemical Agents Directive, Annex I - Binding OELs

RESTRICTION

This list contains substances assigned a binding occupational exposure limit value (OELV) by the European Union. National OELVs for these substances may not deviate from the limits in the Directive. Annex I contains the binding OELV for lead which will be deleted from CAD, Annex I and, starting 9 April 2026, will be regulated only in the CMR Directive, Annex III.

Name EC Number CAS Long-term Exposure Limit (LTEL) Values Short-term Exposure Limit (STEL) Values
mg/m3 ppm mg/m3 ppm
Diisocyanates
10 µg/m3
20 µg/m3
Diisocyanates
6 µg/m3
12 µg/m3