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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Endpoint:
short-term toxicity to fish
Type of information:
experimental study
Adequacy of study:
key study
Study period:
March 27-31, 1987
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Report date:
1987

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Protocol for freshwater Fish static Acute toxicity test following TSCA guidelines, November 1986.
Deviations:
not specified
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
419-690-3
EC Name:
-
Cas Number:
88020-55-7
Molecular formula:
[(C12H25)3NH]4Mo8O26
IUPAC Name:
tridodecylamine hydrate molybdenum

Sampling and analysis

Analytical monitoring:
not specified

Test solutions

Vehicle:
not specified
Details on test solutions:
Identity and concentration of auxiliary solvent for dispersal : preparation of a solution stock of 1g/l with 0.5 ml/l of acetone.
Filtration and successive dilutions of aqueous fractions.

Test organisms

Test organisms (species):
Lepomis macrochirus

Study design

Test type:
static
Water media type:
not specified
Total exposure duration:
96 h

Test conditions

Hardness:
48 mg CaCO3/L

Results and discussion

Effect concentrationsopen allclose all
Duration:
24 h
Dose descriptor:
LC50
Effect conc.:
> 110 mg/L
Basis for effect:
mortality (fish)
Duration:
48 h
Dose descriptor:
LC50
Effect conc.:
> 110 mg/L
Basis for effect:
mortality (fish)
Duration:
72 h
Dose descriptor:
LC50
Effect conc.:
> 110 mg/L
Basis for effect:
mortality (fish)
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
> 110 mg/L
Basis for effect:
mortality (fish)
Duration:
96 h
Dose descriptor:
NOEC
Effect conc.:
>= 110 mg/L
Details on results:
% loss in concentration of the test substance over test period : 0 ...

Applicant's summary and conclusion

Conclusions:
The 96-hour LC50 (based on mean measured concentrations) was > 110mg/L.
The NOEC was 110mg/L.
NORCAT M is classified practically non-toxic to bluegill.