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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicity to aquatic algae and cyanobacteria

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
toxicity to aquatic algae and cyanobacteria
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 201 (Alga, Growth Inhibition Test)
Version / remarks:
pre-guideline study
Deviations:
yes
Remarks:
time: 40h
GLP compliance:
no
Analytical monitoring:
not specified
Vehicle:
not specified
Test organisms (species):
Chlorella pyrenoidosa
Test type:
static
Water media type:
freshwater
Limit test:
no
Total exposure duration:
40 h
Test temperature:
25°C
pH:
5.1÷7.4
Reference substance (positive control):
not specified
Key result
Duration:
40 h
Dose descriptor:
EC0
Effect conc.:
ca. 1 260 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
cell number
Validity criteria fulfilled:
yes
Conclusions:
LC0 = 1260 mg/L

Description of key information

Key value for chemical safety assessment

EC10 or NOEC for freshwater algae:
1 280 mg/L

Additional information