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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
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study without detailed documentation

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2013

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method C.2 (Acute Toxicity for Daphnia)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
(R)-1,2,3,4-tetrahydro-6,7-dimethoxy-1-veratrylisoquinoline hydrochloride
EC Number:
415-110-8
EC Name:
(R)-1,2,3,4-tetrahydro-6,7-dimethoxy-1-veratrylisoquinoline hydrochloride
Cas Number:
54417-53-7
Molecular formula:
C20H25NO4.HCl
IUPAC Name:
(1R)-1-[(3,4-dimethoxyphenyl)methyl]-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride
Test material form:
solid: crystalline

Test solutions

Vehicle:
no
Details on test solutions:
Identity and concentration of auxiliary solvent for dispersal: Direct dispersion in water

Test organisms

Test organisms (species):
Daphnia magna

Results and discussion

Effect concentrationsopen allclose all
Duration:
24 h
Dose descriptor:
EC50
Effect conc.:
105 mg/L
Nominal / measured:
meas. (not specified)
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
48 mg/L
Nominal / measured:
meas. (not specified)
Duration:
48 h
Dose descriptor:
NOEC
Effect conc.:
22 mg/L
Nominal / measured:
meas. (not specified)
Details on results:
Measured concentrations were 98-106% of the nominal
Elendt M7 medium used
Test results are based on mean measured concentrations

Applicant's summary and conclusion