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Description of key information

The structural analogue DNNSA was minimally sensitizing in a Guinea Pig test by the Buehler method. A human repeat insult patch study indicated no sensitization reactions in human subjects.
The weight of the evidence indicates that DNNSA is not sensitizing.

Key value for chemical safety assessment

Skin sensitisation

Endpoint conclusion
Endpoint conclusion:
no adverse effect observed (not sensitising)

Respiratory sensitisation

Endpoint conclusion
Endpoint conclusion:
no study available

Justification for classification or non-classification

DNNSA was tested for skin sensitisation in a Buehler test and was found negative. Data for respiratory sensitisation are not available. Thus, DNNSA is not classified for skin or respiratory sensitisation according to CLP (Regulation EC No 1272/2008) or DSD (Directive 67/548/EEC).