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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 203 (Fish, Acute Toxicity Test)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Haematoxylin
EC Number:
208-237-3
EC Name:
Haematoxylin
Cas Number:
517-28-2
Molecular formula:
C16H14O6
IUPAC Name:
haematoxylin
Specific details on test material used for the study:
Hematoxylin / purity of 95%

Test organisms

Test organisms (species):
Oncorhynchus mykiss (previous name: Salmo gairdneri)

Study design

Water media type:
freshwater
Total exposure duration:
96 h

Test conditions

Test temperature:
15°C ± 2°C
pH:
7.8
Dissolved oxygen:
99%

Results and discussion

Effect concentrations
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
> 35 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:
Concentration causing 50% lethality of fish after 96 hours (LC50): > 35 mg/L
No Observed Effect Concentration (NOEC): 35 mg/L
Executive summary:

96h LC50 for fish is > 35 mg/L