Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
other: hydrolysis product
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
review article or handbook
Title:
Unnamed
Year:
2003

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Screening Test

Test material

Constituent 1
Chemical structure
Reference substance name:
Imidazole
EC Number:
206-019-2
EC Name:
Imidazole
Cas Number:
288-32-4
Molecular formula:
C3H4N2
IUPAC Name:
1H-imidazole

Test organisms

Test organisms (species):
Leuciscus idus

Study design

Test type:
static
Water media type:
freshwater
Total exposure duration:
48 h

Results and discussion

Effect concentrations
Duration:
48 h
Dose descriptor:
LC50
Effect conc.:
283.6 mg/L

Any other information on results incl. tables

Sublethal observations / clinical signs:

Probit analysis according to Finney (after 48 h) #:

LC5 (48 h) = 239.6 (216.485 - 262.773 mg/L)

LC50 (48 h) = 283.6 (271.431 - 295.825 mg/L)

LC95 (48 h) = 327.6 (302.624 - 352.6 mg/L)S= 96.14 %

# Finney DJ, Probit Analysis (1971) Cambr Univ Press, 3rd edition

Applicant's summary and conclusion