Registration Dossier
Registration Dossier
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EC number: 239-289-5 | CAS number: 15245-12-2
Long-term toxicity to fish
Administrative data
Link to relevant study record(s)
- Endpoint:
- adult fish: sub(lethal) effects
- Data waiving:
- study scientifically not necessary / other information available
- Justification for data waiving:
- other:
Reference
Description of key information
In accordance with column 2 of REACH Annex IX, no long term toxicity testing is proposed (required in section 9.1.6) as the chemical safety assessment does not indicate a need to further investigate the effects on fish. All data available on nitric acid, ammonium calcium salt itself and on the other nitrates show a very low toxicity. In addtion, the substance does have a very high water solubility and its chemical properties do not indicate bioaccumulation. Therefore, the study is not considered necessary.
Key value for chemical safety assessment
Additional information
Although the endpoint is waived, there are reliable 30d growth rate and 32d embryo-larval tests available for the structural related substance sodium nitrate from Adelman (2009).
In the 30d growth rate test the NOEC for juvenile Topeka shiner was 268 mg/L (growth rate) and the NOEC for Fathead minnow was 58 mg/L (mortality).
In the 32d embryo-larval test, the NOEC to Fathead minnow was 157 mg/L based on growth rate (no effect on embryo survival).
These tests confirm the low toxicity of sodium nitrate and thus nitric acid, ammonium calcium salt.
The read-across rationale can be found in the document attached in the appropriate target records.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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