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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicological information

Carcinogenicity

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Administrative data

Description of key information

Key value for chemical safety assessment

Carcinogenicity: via oral route

Endpoint conclusion
Endpoint conclusion:
no adverse effect observed
Dose descriptor:
NOAEL
375 mg/kg bw/day
Study duration:
chronic
Species:
rat

Carcinogenicity: via inhalation route

Endpoint conclusion
Endpoint conclusion:
no study available

Carcinogenicity: via dermal route

Endpoint conclusion
Endpoint conclusion:
no study available

Justification for classification or non-classification

Non-neoplastic lesions of the kidney were observed in both dose groups of both sexes of rats and mice.

In addition, an evaluation between the members of ETAD, confirmed that there is no evidence to classify Acid Orange 3 as carcinogenic.

Additional information

Non-neoplastic lesions of the kidney were observed in both dose groups of both sexes of rats and mice.

In addition, an evaluation between the members of ETAD, confirmed that there is no evidence to classify Acid Orange 3 as carcinogenic.


Justification for selection of carcinogenicity via oral route endpoint:
Higher dose

Carcinogenicity: via dermal route (target organ): urogenital: kidneys