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Short description of key information:
The mutagenic potential of 1H-Tetrazol-5-amine-, N-1H-tetrazol-5-yl-, monoammonium salt with the Bacterial Reverse Mutation Test was tested following OECD 471 and EU B.13/14.
None of the concentrations caused an increase in the number of revertant colonies in the tested strains. The test item didn't show any mutagenic effects in the first experiment.
No signs of toxicity towards the bacteria could be observed.
The test item 1 H-Tetrazol-5-amine-, N-1 H-tetrazol-5-yl-, monoammonium salt is consid-ered as "not mutagenic under the conditions of the test".

Chromosome aberration Test:
1-H-Tetrazol-5amine-, N-1H-tetrazol-5-yl-, monoammonium salt was tested in the invitro mammalian chromosome aberration test according to OECD Guideline 473.
Under the experimental conditions reported, the test item 1-H-Tetrazol-5amine-, N-1H-tetrazol-5-yl-, monoammonium salt induced structural chromosome aberrations in V79 cells (Chinese hamster cell line) in the absence and presence of S9 mix.

Endpoint Conclusion: No adverse effect observed (negative)

Justification for classification or non-classification