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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Short-term toxicity to fish

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Administrative data

Endpoint:
short-term toxicity to fish
Type of information:
experimental study
Adequacy of study:
key study
Study period:
30 Jan -03 Feb, 1995
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: done under GLP and OECD method

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1995
Report date:
1995

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method C.1 (Acute Toxicity for Fish)
Version / remarks:
and OECD nr.203 "Fish, Acute Toxicity Test "
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
5-thiazolylmethanol
EC Number:
414-780-9
EC Name:
5-thiazolylmethanol
Cas Number:
38585-74-9
Molecular formula:
C4H5NOS
IUPAC Name:
(1,3-thiazol-5-yl)methanol

Sampling and analysis

Analytical monitoring:
yes

Test solutions

Vehicle:
no

Test organisms

Test organisms (species):
Oncorhynchus mykiss (previous name: Salmo gairdneri)
Details on test organisms:
Mean std length: 6.4cm (SD: 0.6cm)
Mean std weight: 3.43g (SD: 0.91g)

Study design

Test type:
static
Water media type:
freshwater
Limit test:
yes
Total exposure duration:
96 h

Test conditions

Hardness:
192 ± 4 mgCaCO3/l
Test temperature:
14°C
pH:
7.5
Dissolved oxygen:
10.0mg/l
Nominal and measured concentrations:
All values expressed in terms of measured concentration. Values were 95% of nominal at 0 and 25 hours, 103% at 72 hours and 91% at 96 hours. TThe NOELhe nominal test concentration was 100 mg/l.
Details on test conditions:
Photoperiod: 16hr light, 8hr dark.

Results and discussion

Effect concentrations
Duration:
96 h
Dose descriptor:
EC50
Effect conc.:
> 96 mg/L
Nominal / measured:
meas. (initial)
Conc. based on:
test mat.
Basis for effect:
mortality (fish)
Details on results:
No observed effect level: 96mg/l

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
The 96hr LC50 and NOEL for the test substance is estimated to be >= 96mg/l