Registration Dossier

Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

Administrative data

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:
other: Data taken from EU Risk Assessment

Data source

Referenceopen allclose all

Reference Type:
study report
Title:
Unnamed
Year:
1988
Reference Type:
secondary source
Title:
EU Risk Assessment Report 12, CAS No. 77-78-1
Author:
Office for Official Publications of the European Communities
Year:
2002
Bibliographic source:
Office for Official Publications of the European Communities, 2002

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 201 (Alga, Growth Inhibition Test)
GLP compliance:
not specified

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- Name of test material (as cited in study report): Dimethyl sulphate
purity: no data

Sampling and analysis

Analytical monitoring:
not specified

Test organisms

Test organisms (species):
Desmodesmus subspicatus (previous name: Scenedesmus subspicatus)

Study design

Test type:
static
Water media type:
freshwater
Total exposure duration:
72

Results and discussion

Effect concentrations
Duration:
72 h
Dose descriptor:
EC50
Effect conc.:
46.9 mg/L

Applicant's summary and conclusion