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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administration of 5000 mg/kg bw of Naphtol AS PH to female rats did not cause  any adverse effects.

Key value for chemical safety assessment

Additional information

Naphtol AS PH was practically non-toxic after single oral administration to female rats.

Classification due to acute systemic effects is not warranted.

Justification for classification or non-classification

NOEL = 5000 mg/kg bw