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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Ecotoxicological information

Short-term toxicity to aquatic invertebrates

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Administrative data

Link to relevant study record(s)

Description of key information

The acute toxicity of 1H-Tetrazol-5-amine-, N-1H-tetrazol-5-yl-, monoammonium salt to aquatic invertebrates was determined according to OECD Guideline 202. The following results were determined for the test item 1H-Tetrazol-5-amine-, N-1H- tetrazol-5-yl-, monoammonium salt (species:Daphnia magna).
24h-NOEC = 106 mg/L
48h-NOEC = 65 mg/L
24h-EC50 = 206 mg/L
48h-EC50 = 130 mg/l

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
130 mg/L

Additional information

Data obtained from a guideline study according to OECD guideline 202 and therefore considered reliable without restrictions.