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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: secondary source from the IUCLID dataset.

Data source

Reference
Reference Type:
secondary source
Title:
IUCLID dataset
Author:
WP Mannheim GmbH
Year:
1984
Bibliographic source:
substance 81-84-5

Materials and methods

Principles of method if other than guideline:
no data
GLP compliance:
not specified
Remarks:
secondary source

Test material

Constituent 1
Chemical structure
Reference substance name:
Naphthalene-1,8-dicarboxylic anhydride
EC Number:
201-380-2
EC Name:
Naphthalene-1,8-dicarboxylic anhydride
Cas Number:
81-84-5
Molecular formula:
C12H6O3
IUPAC Name:
3-oxatricyclo[7.3.1.0⁵,¹³]trideca-1(13),5,7,9,11-pentaene-2,4-dione

Test organisms

Test organisms (species):
activated sludge of a predominantly domestic sewage
Details on inoculum:
no data

Study design

Test type:
static
Water media type:
freshwater
Limit test:
no
Total exposure duration:
24 h
Post exposure observation period:
no data

Results and discussion

Effect concentrations
Duration:
24 h
Dose descriptor:
EC50
Effect conc.:
> 1 000 mg/L
Details on results:
no data

Applicant's summary and conclusion