Registration Dossier

Ecotoxicological information

Long-term toxicity to aquatic invertebrates

Administrative data

Endpoint:
long-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
supporting study

Data source

Reference
Reference Type:
other: Echa disseminated dossier
Title:
2,2'-dimethyl-2,2'-azodipropiononitrile
Bibliographic source:
Echa homepage, Sept. 2018

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: OECD 202
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- Name of test substance: 2,2'-dimethyl-2,2'-azodipropiononitrile
- Analytical purity: 99.3 %

Sampling and analysis

Analytical monitoring:
yes

Test solutions

Vehicle:
yes

Test organisms

Test organisms (species):
Daphnia magna

Study design

Test type:
flow-through
Water media type:
freshwater
Total exposure duration:
21 d

Results and discussion

Effect concentrationsopen allclose all
Duration:
21 d
Dose descriptor:
NOEC
Effect conc.:
2.2 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Duration:
21 d
Dose descriptor:
LOEC
Effect conc.:
4.6 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Duration:
21 d
Dose descriptor:
EC50
Effect conc.:
7.5 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.

Applicant's summary and conclusion