Dimethyl sulphate

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

Reference

Reference 1

Reference Type:

study report

Title:

Unnamed

Year:

1988

Reference 2

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

Test material information

Constituent 1

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