Warfarin

Toxicity to aquatic algae and cyanobacteria

Administrative data

Endpoint:

toxicity to aquatic algae and cyanobacteria

Type of information:

experimental study

Adequacy of study:

supporting study

Data source

Reference

Reference 1

Reference Type:

review article or handbook

Title:

Unnamed

Year:

2009

Report date:

2009

Reference 2

Reference Type:

secondary source

Title:

Unnamed

Year:

2001

Materials and methods

Principles of method if other than guideline:

Method data are not available as the report details are unpublished.

GLP compliance:

yes

Test material

Test material information

Constituent 1

Reference substance name:

Warfarin

EC Number:

201-377-6

EC Name:

Warfarin

Cas Number:

81-81-2

Molecular formula:

C19H16O4

IUPAC Name:

4-hydroxy-3-(3-oxo-1-phenylbutyl)-2H-chromen-2-one

Test organisms

Test organisms (species):

Desmodesmus subspicatus (previous name: Scenedesmus subspicatus)

Study design

Total exposure duration:

72 h

Results and discussion

Effect concentrations

Effect concentrations 1

Duration:

72 h

Dose descriptor:

EC50

Effect conc.:

> 83.2 mg/L

Basis for effect:

biomass

Effect concentrations 2

Duration:

72 h

Dose descriptor:

EC50

Effect conc.:

> 83.2 mg/L

Basis for effect:

growth rate