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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
short-term toxicity to fish
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1988
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: study was carried out according to test guidline and under GLP-conditions

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1988
Report date:
1989

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 203 (Fish, Acute Toxicity Test)
Qualifier:
according to guideline
Guideline:
EU Method C.1 (Acute Toxicity for Fish)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
5-amino-2-chlorotoluene-4-sulphonic acid
EC Number:
201-839-7
EC Name:
5-amino-2-chlorotoluene-4-sulphonic acid
Cas Number:
88-53-9
Molecular formula:
C7H8ClNO3S
IUPAC Name:
2-amino-5-chloro-4-methylbenzene-1-sulfonic acid

Test solutions

Vehicle:
no
Details on test solutions:
aqueous solution of test substance with small precipitation amounts

Test organisms

Test organisms (species):
Danio rerio (previous name: Brachydanio rerio)

Study design

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

Test conditions

Test temperature:
21.3 - 22.4°C
pH:
6.2 - 8.1 (adjusted by addition of NaOH)
Dissolved oxygen:
6.4 - 9.1 mg/l
Nominal and measured concentrations:
0/3500/5000/7100/10000 mg/L (nominal)

Results and discussion

Effect concentrationsopen allclose all
Duration:
48 h
Dose descriptor:
LC50
Effect conc.:
7 240 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mortality (fish)
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
6 350 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mortality (fish)

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
67/548/EEC: Acute aquatic toxicity: no classification
1272/2008/EC: Acute aquatic toxicity: no classification