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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicity to microorganisms

Currently viewing:

Administrative data

Endpoint:
toxicity to microorganisms
Type of information:
other: raw data
Adequacy of study:
other information
Study period:
1976
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
unsuitable test system

Data source

Reference
Title:
No information
Author:
Bayer AG (1973). Information card.
Year:
1973

Materials and methods

Principles of method if other than guideline:
Method: other: Bestimmung der biologischen Schadwirkung toxischer Abwaesser gegen Bakterien. DEV, L 8 (1968) modified
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Naphthalene-1,5-disulphonic acid
EC Number:
201-317-9
EC Name:
Naphthalene-1,5-disulphonic acid
Cas Number:
81-04-9
Molecular formula:
C10H8O6S2
IUPAC Name:
naphthalene-1,5-disulfonic acid
impurity 1
Chemical structure
Reference substance name:
Water
EC Number:
231-791-2
EC Name:
Water
Cas Number:
7732-18-5
Molecular formula:
H2O
IUPAC Name:
Water
impurity 2
Chemical structure
Reference substance name:
Sulphuric acid
EC Number:
231-639-5
EC Name:
Sulphuric acid
Cas Number:
7664-93-9
Molecular formula:
H2O4S
IUPAC Name:
sulfuric acid
Test material form:
liquid

Sampling and analysis

Analytical monitoring:
no

Test organisms

Test organisms (species):
Pseudomonas fluorescens

Study design

Test type:
static
Water media type:
freshwater
Limit test:
yes

Test conditions

Details on test conditions:
Type: aquatic

Results and discussion

Effect concentrations
Duration:
24 h
Dose descriptor:
EC0
Effect conc.:
>= 10 000 mg/L

Applicant's summary and conclusion