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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
short-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2007
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2007
Report date:
2007

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
GLP compliance:
not specified

Test material

1
Chemical structure
Reference substance name:
5,11-dihydro-11-((4-methyl-1-piperazinyl)acetyl)-6H-pyrido(2,3-b)(1,4)benzodiazepin-6-one monohydrochloride
EC Number:
812-545-9
Cas Number:
93173-05-8
Molecular formula:
C19H21N5O2 x HCl
IUPAC Name:
5,11-dihydro-11-((4-methyl-1-piperazinyl)acetyl)-6H-pyrido(2,3-b)(1,4)benzodiazepin-6-one monohydrochloride
Test material form:
solid: bulk

Sampling and analysis

Analytical monitoring:
not specified

Test solutions

Vehicle:
not specified

Test organisms

Test organisms (species):
Daphnia magna
Details on test organisms:
TEST ORGANISM- Feeding during test : No feeding during test

Study design

Test type:
not specified
Water media type:
not specified
Total exposure duration:
48 h

Test conditions

Hardness:
167.94 mg/L
Test temperature:
18 - 22 °C
pH:
7.0
Dissolved oxygen:
Not upper 60 %
Details on test conditions:
TEST SYSTEM- No. of organisms per vessel: 5 - No. of vessels per concentration (replicates): 4
Reference substance (positive control):
yes
Remarks:
dichromat

Results and discussion

Effect concentrations
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
1 000 mg/L
Nominal / measured:
not specified
Conc. based on:
test mat.
Basis for effect:
mobility

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
The EC50 of Pirenzepine monohydrochlorid is: 1000mg/l