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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Description of key information

There is no skin irritation study available for O,O-dimehyl hydrogen dithiophosphate. There is however publised data (RTECS) that indicate that the substance is skin irritating. As MP-1 (O,O-dimehyl hydrogen dithiophosphate) is a relative strong organic acid it is classified corrosive. 

Key value for chemical safety assessment

Additional information

According to regulation (EC) 1907/2006 of the European parliament and the council of 18 December 2006 (Article 17), no chemical safety assessment is required for on-site isolated intermediates. Therefore, no key values were defined for MP1.


Effect level: empty Endpoint conclusion: Adverse effect observed

Justification for classification or non-classification