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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
supporting study
Study period:
November 1986 to February 1987
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
abstract

Data source

Reference
Reference Type:
other: abstract
Title:
Unnamed
Year:
1987

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 203 (Fish, Acute Toxicity Test)
Version / remarks:
abstract states OECD 202
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2-[3-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)prop-1-enyl]-1,3,3-trimethyl-3H-indolium acetate
EC Number:
265-479-2
EC Name:
2-[3-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)prop-1-enyl]-1,3,3-trimethyl-3H-indolium acetate
Cas Number:
65122-08-9
Molecular formula:
C25H29N2.C2H3O2
IUPAC Name:
2-[3-(1,3-dihydro-1,3,3-trimethyl-2H-indol-2-ylidene)prop-1-enyl]-1,3,3-trimethyl-3H-indolium acetate
Test material form:
liquid

Sampling and analysis

Analytical monitoring:
no

Test organisms

Test organisms (species):
other: brachydanio rerio (zebra fish)

Study design

Water media type:
freshwater
Remarks on exposure duration:
96 h

Results and discussion

Effect concentrations
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
7.5 mg/L
Conc. based on:
test mat.
Remarks on result:
other: geometric mean of LC0 and LC100
Details on results:
LC0= 4.2 mg/L
LC100 = 13.3 mg/L

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
The LC50 in brachydanio rerio is 7.5 mg/L