Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicity to aquatic algae and cyanobacteria

Administrative data

Endpoint:
toxicity to aquatic algae and cyanobacteria
Type of information:
(Q)SAR
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Justification for type of information:
QSAR

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2017
Report date:
2017

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
QSAR
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
N,N'-methanetetraylbis(1-methylethylamine)
EC Number:
211-743-7
EC Name:
N,N'-methanetetraylbis(1-methylethylamine)
Cas Number:
693-13-0
Molecular formula:
C7H14N2
IUPAC Name:
(propan-2-yl)({[(propan-2-yl)imino]methylidene})amine
Test material form:
liquid
Specific details on test material used for the study:
The model is based on experimental data measured in standard test species (e.g. Desmodesmus subspicatus or Pseudokirchneriella subcapitata), but it is intended to assess toxicity to the general trophic level that these species represent, i.e. aquatic plants.

Test organisms

Test organisms (species):
Desmodesmus subspicatus (previous name: Scenedesmus subspicatus)

Study design

Water media type:
freshwater

Results and discussion

Effect concentrations
Key result
Duration:
96 h
Dose descriptor:
EC50
Effect conc.:
ca. 1.52 mg/L
Nominal / measured:
not specified
Conc. based on:
test mat.
Basis for effect:
not specified

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
EC50 (algae 96h) prediction 1.52 mg/l
Based on it, H 411 Aquatic chronic category 2 . ( See 6.1.3 where we already classifed as H400 and H410)
Executive summary:

EC50 (algae 96h) prediction 1.52 mg/l