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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Reference
Reference Type:
publication
Title:
Testing toxicity of volatile substances with algae.
Author:
BUA Report 54, VCH
Year:
1990
Bibliographic source:
Galassi, S., Vighi, M. (1981) Chemosphere 10, 1123-1126

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
no guideline available
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Chlorobenzene
EC Number:
203-628-5
EC Name:
Chlorobenzene
Cas Number:
108-90-7
Molecular formula:
C6H5Cl
IUPAC Name:
chlorobenzene
Details on test material:
- Name of test material (as cited in study report): Chlorobenzene

Sampling and analysis

Analytical monitoring:
not specified

Test organisms

Test organisms (species):
Raphidocelis subcapitata (previous names: Pseudokirchneriella subcapitata, Selenastrum capricornutum)

Study design

Total exposure duration:
96 h

Test conditions

Test temperature:
25 °C
Details on test conditions:
TEST SYSTEM
- Type: closed system

Results and discussion

Effect concentrationsopen allclose all
Duration:
96 h
Dose descriptor:
EC50
Effect conc.:
12.5 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
growth rate
Duration:
96 h
Dose descriptor:
NOEC
Effect conc.:
< 6.8 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
growth rate
Duration:
96 h
Dose descriptor:
EC100
Effect conc.:
46 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
growth rate

Applicant's summary and conclusion