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Ecotoxicological information

Short-term toxicity to aquatic invertebrates

Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
other: Body responsible for the test
Title:
Unnamed
Year:
1992
Report date:
1992

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: EC C.2
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
A mixture of: 2,2,6,6-tetramethylpiperidin-4-yl-hexadecanoate; 2,2,6,6-tetramethylpiperidin-4-yl-octadecanoate
EC Number:
415-430-8
EC Name:
A mixture of: 2,2,6,6-tetramethylpiperidin-4-yl-hexadecanoate; 2,2,6,6-tetramethylpiperidin-4-yl-octadecanoate
Cas Number:
86403-32-9
Molecular formula:
C25H49NO2; C27H53NO2
IUPAC Name:
Reaction mass of 2,2,6,6-tetramethylpiperidin-4-yl hexadecanoate and 2,2,6,6-tetramethylpiperidin-4-yl octadecanoate

Sampling and analysis

Analytical monitoring:
not specified

Test solutions

Vehicle:
not specified

Test organisms

Test organisms (species):
other aquatic crustacea: DM

Test conditions

Hardness:
259 mg CaCO3/L

Results and discussion

Effect concentrationsopen allclose all
Duration:
24 h
Dose descriptor:
EC50
Effect conc.:
0.1 mg/L
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
0.1 mg/L
Duration:
48 h
Dose descriptor:
NOEC
Effect conc.:
ca. 0.02 mg/L

Applicant's summary and conclusion

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