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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: Study well documented, meets generally accepted scientific standards

Data source

Reference
Reference Type:
publication
Title:
Property-toxicity relationships of azaarenes to the green alga Scendesmus acuminatus
Author:
Van Vlaardingen, Steinhoff, Voogt and Admiraal
Year:
1996
Bibliographic source:
Environmental Toxicology and Chemistry, 15 (11), 2035-2042

Materials and methods

Principles of method if other than guideline:
static acute toxicity test
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Isoquinoline
EC Number:
204-341-8
EC Name:
Isoquinoline
Cas Number:
119-65-3
Molecular formula:
C9H7N
IUPAC Name:
isoquinoline
Details on test material:
purity: 97 %

Sampling and analysis

Analytical monitoring:
yes

Test solutions

Vehicle:
yes

Test organisms

Test organisms (species):
Scenedesmus sp.
Details on test organisms:
Scenedesmus acuminatus

Study design

Test type:
static
Water media type:
freshwater

Results and discussion

Effect concentrations
Duration:
96 h
Dose descriptor:
EC10
Effect conc.:
> 10 mg/L
Nominal / measured:
meas. (not specified)
Conc. based on:
test mat.
Basis for effect:
growth rate

Applicant's summary and conclusion