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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
2002
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2002
Report date:
2002

Materials and methods

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

Test material

Constituent 1
Chemical structure
Reference substance name:
p-[2-(3,4-dihydro-7-methoxy-4,4-dimethyl-1,3-dioxo-2(1H)-isoquinolyl)ethyl]benzenesulphonamide
EC Number:
251-529-0
EC Name:
p-[2-(3,4-dihydro-7-methoxy-4,4-dimethyl-1,3-dioxo-2(1H)-isoquinolyl)ethyl]benzenesulphonamide
Cas Number:
33456-68-7
Molecular formula:
C20H22N2O5S
IUPAC Name:
4-[2-(7-methoxy-4,4-dimethyl-1,3-dioxo-1,2,3,4-tetrahydroisoquinolin-2-yl)ethyl]benzene-1-sulfonamide
Test material form:
solid: particulate/powder
Remarks:
migrated information: powder
Details on test material:
- Name of test material (as cited in study report): AR-FD 26 ( phase X )
- Physical state: powder
- Lot/batch No.: 01010

Sampling and analysis

Analytical monitoring:
not specified

Test solutions

Vehicle:
not specified

Test organisms

Test organisms (species):
Daphnia magna
Details on test organisms:
For each test and controls has been used 20 Daphnias magna, divided into four
groups of five animals.

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° a 22° ±1 °C
pH:
7.0
Dissolved oxygen:
not upper 60 %
Nominal and measured concentrations:
Primephase tested dose: Blank, 0.1% and 0.01%.
Second phase tested dose: Blank, 0.01% and 0.001%
Details on test conditions:
- Not feeding
- Lighting: 16 hours
Reference substance (positive control):
not specified
Remarks:
In "Daphnia magna" has made dichromate test

Results and discussion

Effect concentrations
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
400 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Conclusions:
The 48h-EC50 of AR-DF 26 (Phase X) was 400 mg/L .