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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Endpoint:
toxicity to microorganisms
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Comparable to guideline study with acceptable restrictions, however only limited information on test performance available.

Data source

Reference
Reference Type:
publication
Title:
Forschungsbericht, Bewertung wassergefaehrdender Stoffe im Hinblick auf Lagerung, Umschlag und Transport und Untersichung zur Abklaerung substanz- und bewertungsmethodenspezifischer Grenzfaelle bei der Bewertung wassergeaehrdender Stoffe
Author:
Trenel J, Kuehn R
Year:
1982
Bibliographic source:
Institut für Wasser-, Boden- und Lufthygiene, Berlin, July 1982.

Materials and methods

Principles of method if other than guideline:
Test method according to Bringmann and Kuehn 1979
GLP compliance:
no

Test material

Constituent 1
Reference substance name:
Maleic anhydride
EC Number:
203-571-6
EC Name:
Maleic anhydride
Cas Number:
108-31-6
IUPAC Name:
furan-2,5-dione
Details on test material:
- Name of test material (as cited in study report): Maleinsaeureanhydrid
Maleic anhydride hydrolyses under test conditions. As a result it is believed that maleic acid and its sodium salt were investigated in this study.

Sampling and analysis

Analytical monitoring:
not specified

Test solutions

Vehicle:
not specified

Test organisms

Test organisms (species):
Pseudomonas putida

Study design

Test type:
static
Water media type:
freshwater
Total exposure duration:
18 h

Results and discussion

Effect concentrations
Duration:
18 h
Dose descriptor:
EC10
Effect conc.:
11 800 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
growth inhibition

Applicant's summary and conclusion