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Ecotoxicological information

Short-term toxicity to fish

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Reference
Endpoint:
short-term toxicity to fish
Type of information:
experimental study
Adequacy of study:
disregarded due to major methodological deficiencies
Study period:
28 March 1991 - 5 July 1991
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
significant methodological deficiencies
Qualifier:
according to
Guideline:
OECD Guideline 203 (Fish, Acute Toxicity Test)
GLP compliance:
no
Specific details on test material used for the study:
Test Material Name: Alkaterge E
Chemical name: 2-heptadecenyl-4-ethyl-2-oxazolin-4-methanol
CAS Number: 68140-98-7
Batch nr.: 159
Appearance (physical state, color): Liquid, brown, viscous
Molecular weight: 365.60 g/mol
Analytical monitoring:
not specified
Vehicle:
yes
Test organisms (species):
Leuciscus idus melanotus
Details on test organisms:
Name: Goldorfe (Leuciscus idus melanotus)
Origin: Fischzucht Eggers, Hohenwestedt, Germany
Age : ca. 4 weeks
lengt/weight ratio: 0,8 - 1,1 g/cm3
Test type:
static
Water media type:
other: mix of drinking water and deionized water
Limit test:
no
Total exposure duration:
96 h
Hardness:
15 ± 3
Test temperature:
20 ± 0.5 "C
pH:
8.2
Dissolved oxygen:
80% of saturation level
Nominal and measured concentrations:
Nominal concentrations: 5, 7, 8, 9, 11 and 14 g/l
Key result
Duration:
96 h
Dose descriptor:
LC0
Effect conc.:
5 g/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mortality
Key result
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
12 g/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mortality
Validity criteria fulfilled:
not applicable

Description of key information

The available acute toxicty study in fish is considered to be invalid due to the use of concentrations which are above the water solubility.

Key value for chemical safety assessment

Additional information