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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Key value for chemical safety assessment

Skin sensitisation

Endpoint conclusion
Endpoint conclusion:
adverse effect observed (sensitising)
Additional information:

MHHPA is classified as a Category 1 skin sensitiser and CLP (1272/2008/EEC) cites the need for hazard statement H317 (may cause an allergic skin reaction)


Migrated from Short description of key information:
MHHPA is classified as a Category 1 skin sensitiser and CLP (1272/2008/EEC) cites the need for hazard statement H317 (may cause an allergic skin reaction)

Respiratory sensitisation

Endpoint conclusion
Endpoint conclusion:
adverse effect observed (sensitising)
Additional information:

MHHPA is classified as a Category 1 respiratory sensitiser and CLP (1272/2008/EEC) cites the need for hazard statement H334 (may cause allergy or asthma symptoms or breathing difficulties if inhaled)


Migrated from Short description of key information:
MHHPA is classified as a Category 1 respiratory sensitiser and CLP (1272/2008/EEC) cites the need for hazard statement H334 (may cause allergy or asthma symptoms or breathing difficulties if inhaled)

Justification for classification or non-classification

There is no available information on animals.

MHHPA is classified as skin sensitising cat.1 and respiratory sensitising cat.1 according to Regulation 1272/2008/EC and Xn, R42/43 (May cause sensitisation by inhalation and skin contact) according to 67/548/EEC.