Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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
Guideline:
OECD Guideline 201 (Alga, Growth Inhibition Test)
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Dimethyl sulphate
EC Number:
201-058-1
EC Name:
Dimethyl sulphate
Cas Number:
77-78-1
Molecular formula:
C2H6O4S
IUPAC Name:
dimethyl sulfate
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