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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Non-GLP guideline study without anayltical monitoring

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1989
Report date:
1989

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: German industrial standard test guideline DIN 38412, part 11
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2-cyano-N-methylacetamide
EC Number:
228-705-0
EC Name:
2-cyano-N-methylacetamide
Cas Number:
6330-25-2
Molecular formula:
C4H6N2O
IUPAC Name:
2-cyano-N-methylacetamide
Details on test material:
- Name of test material (as cited in study report): N-Methylcyanamid in Loesung
- Analytical purity: 13% in aqueous solution

Sampling and analysis

Analytical monitoring:
no

Test solutions

Vehicle:
no

Test organisms

Test organisms (species):
Daphnia magna

Study design

Test type:
static
Water media type:
freshwater
Limit test:
no
Total exposure duration:
48 h

Test conditions

pH:
7.9- 8.11
Dissolved oxygen:
8.39 - 8.8 mg/l
Nominal and measured concentrations:
Nominal test concentrations (mg/L): 3.9, 7.8, 15.6, 31.3, 62.5, 125, 250, 500 mg/L
Details on test conditions:
TEST SYSTEM
- No. of vessels per concentration (replicates): 4

Reference substance (positive control):
not specified

Results and discussion

Effect concentrationsopen allclose all
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
> 500 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mobility
Key result
Duration:
48 h
Dose descriptor:
EC50
Effect conc.:
> 65 mg/L
Nominal / measured:
nominal
Conc. based on:
act. ingr.
Basis for effect:
mobility
Remarks on result:
other: Value calculated from given concentration of the test solution.

Applicant's summary and conclusion

Validity criteria fulfilled:
yes