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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: The study was conducted according to an OECD guideline, but GLP information is missing.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Report date:
2002

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
GLP compliance:
not specified

Test material

Constituent 1
Reference substance name:
DDH
IUPAC Name:
DDH
Details on test material:
Sample: DDH
Your reference: 943510
Our reference: 202032

Sampling and analysis

Analytical monitoring:
not specified

Test solutions

Vehicle:
not specified
Details on test solutions:
Prime phase tested dose: Blank, 0,01% and 1%.
Second phase tested dose : Blank, 0,5% and 10%.

Test organisms

Test organisms (species):
Daphnia magna

Study design

Total exposure duration:
48 h

Test conditions

Details on test conditions:
For each test and controls has been used 20 Daphnias magna, divided into four
groups of five animals.


Observation test: 48 hours.
Temperature: 18°to 22° ±1°C.
Oxygen concentration : Not upper 60%.
Lighting : 16 hours.
Not feeding
Water quality: pH = 7.0, hardness 167,94 mg/l.
In "Daphnia magna" has made dichromate test.

Results and discussion

Effect concentrations
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
10 000 mg/L
Basis for effect:
not specified

Applicant's summary and conclusion

Conclusions:
The EC50 of DDH is 10000 mg/l