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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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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: Guideline study with acceptable restrictions

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
Toxicity, biodegradability, and accumulation of a number of Cl/N-containing compounds for classification and establishing water quality criteria
Author:
Canton JH, Slooff W, Kool HJ, Struys J, Pouw TJM, Wegman RCC, Piet GJ
Year:
1985
Bibliographic source:
Regulatory Toxicology and Pharmacology 5, 123-131
Reference Type:
other: BUA Report
Title:
Unnamed
Year:
1991

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: OECD Proposal, 1979 (comparable to OECD 201, 1981)
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
2-chloroaniline
EC Number:
202-426-4
EC Name:
2-chloroaniline
Cas Number:
95-51-2
Molecular formula:
C6H6ClN
IUPAC Name:
2-chloroaniline
Details on test material:
purity: > 99.9 % (GC)

Sampling and analysis

Analytical monitoring:
yes

Test organisms

Test organisms (species):
Scenedesmus pannonicus

Study design

Test type:
static
Water media type:
freshwater
Limit test:
no
Total exposure duration:
96 h

Test conditions

Test temperature:
20 +/- 2°C

Results and discussion

Effect concentrations
Duration:
72 h
Dose descriptor:
EC50
Effect conc.:
32 mg/L
Nominal / measured:
meas. (not specified)
Conc. based on:
test mat.
Basis for effect:
growth rate
Remarks on result:
other: during exp. growth period (24-96 h)

Any other information on results incl. tables

no further informations

Applicant's summary and conclusion

Executive summary:

Canton et al. (1985).

The ErC50 (72 h) was determined in an guideline study according to OECD proposal of 1979 (comparable to OECD 201, 1981) to be 32 mg/L, based on mean measured concentrations.