Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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


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Administrative data

Link to relevant study record(s)

Description of key information


Key value for chemical safety assessment

Additional information

Based on REACH regulation annex VII column 2 (specific rules for adaptation for column 1) the study need not be conducted if the substance is a solid which possesses explosive or pyrophoric properties; 2,4-dinitrophenol is an explosive solid in dry form.

Justification for classification or non-classification

2,4 -dinitrophenol doesn't meet the criteria to be considered as flammable.

According to CLP regulation (EC1272/2008) 2,4 -dinitrophenol has to be classified as NON flammable.