Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Qualifier:
according to guideline
Guideline:
OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
GLP compliance:
yes
Analytical monitoring:
yes
Vehicle:
yes
Test organisms (species):
Daphnia magna
Test type:
static
Water media type:
brackish water
Limit test:
yes
Total exposure duration:
48 h
Hardness:
2.502 mmol/L
Test temperature:
Room Temperature (20 ± 5 °C)
pH:
7.8
Dissolved oxygen:
8.0-8.9 mg/L
Nominal and measured concentrations:
100 / 180 / 320 / 560 / 1000 mg/L (first experiment)
22 / 46 / 100 / 220 / 460 / 1000 mg/L (second experiment)
Details on test conditions:
Treatments 100 / 180 / 320 / 560 / 1000 mg/L (first experiment)
22 / 46 / 100 / 220 / 460 / 1000 mg/L (second experiment)
Temperature 22.7 – 23.8 °C (first experiment)
20.5 – 21.5 °C (second experiment)
Duration 48 hours
Observation times 24 and 48 hours
Medium renewal none
Test vessel Closed glass flasks nominal volume 65 mL
Treatments 4 vessels, each completely filled with test solution and 5 daphnia
Blank control 4 vessels, each completely filled with dilution water and 5 daphnia
Reference substance (positive control):
yes
Remarks:
Potassium dichromate K2Cr2O7 (CAS No. 7778-50-9)
Key result
Duration:
24 h
Dose descriptor:
EC50
Effect conc.:
>= 13 - <= 24 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mobility
Key result
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
>= 1.5 - <= 3.18 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mobility
Key result
Duration:
48 h
Dose descriptor:
NOEC
Effect conc.:
ca. 0.43 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mobility
Key result
Duration:
48 h
Dose descriptor:
LOEC
Effect conc.:
ca. 1.4 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mobility
Validity criteria fulfilled:
yes
Conclusions:
The following results were determined for the test item TERPENIC BASE (species: Daphnia magna).
48h-NOEC = 0.43 mg/L
48h-LOEC = 1.40 mg/L
48h-EC50 = 2.24 mg/L

Description of key information

Key value for chemical safety assessment

Fresh water invertebrates

Fresh water invertebrates
Effect concentration:
2.24 mg/L

Additional information