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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Long-term toxicity to aquatic invertebrates

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
long-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
key study
Study period:
23 day reproduction
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Justification for type of information:
Cited in handbooks.
Peer reviewed research following accepted scientific prodecures using suitable vanadium salt for assessment
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 211 (Daphnia magna Reproduction Test)
GLP compliance:
no
Specific details on test material used for the study:
Not specified.
Considered a good source of water soluble vanadium for aquatic testing.
Analytical monitoring:
yes
Vehicle:
no
Test organisms (species):
Daphnia magna
Test type:
semi-static
Water media type:
freshwater
Limit test:
no
Total exposure duration:
23 d
Hardness:
ca 210 mg/l CaCO3
pH:
8.2 - 8.9
Reference substance (positive control):
no
Duration:
23 d
Dose descriptor:
NOEC
Effect conc.:
ca. 1.34 mg/L
Nominal / measured:
meas. (arithm. mean)
Conc. based on:
element
Remarks:
Vanadium
Basis for effect:
reproduction
Key result
Duration:
23 d
Dose descriptor:
NOEC
Effect conc.:
ca. 4.5 mg/L
Nominal / measured:
estimated
Conc. based on:
test mat.
Basis for effect:
reproduction
Remarks on result:
other: Starting with NOEC 1.34 mg/l for V and using molecular weight of constituent with greatest proportion of vanadium
Validity criteria fulfilled:
not specified
Conclusions:
Immobilisation was seen at the highest tested concentrations, but surviving Daphnia reproduced normally.
NOEC 4.5 mg/l used for CSR

Description of key information

Immobilisation was seen at the highest tested concentrations, but surviving Daphnia reproduced normally.

NOEC 4.5 mg/l used for CSR

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
4.5 mg/L

Additional information