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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
activated sludge respiration inhibition testing
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data

Data source

Reference
Reference Type:
review article or handbook
Title:
Fettalkoholsulfate - Die ökologische Absicherung einer wichtigen Gruppe von Waschmitteltensiden
Author:
Steber J, Gode P, Guhl W
Year:
1988
Bibliographic source:
Fett/Lipid, 90: 32–38. doi:10.1002/lipi.19880900106

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: see remark
Version / remarks:
K. H. Robru, Bewertung toxischer Wasserinhaltsstoffe aus der Inhibitorwirkung auf die Substratoxidation von Ps. Stamrn Berlin mit Hilfe polarograhischer Sauerstoffrnessungen, gwf-Wasser/ Abwasser 117, 80 1976.
Deviations:
not specified
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Sodium hexadecyl sulphate
EC Number:
214-292-4
EC Name:
Sodium hexadecyl sulphate
Cas Number:
1120-01-0
Molecular formula:
C16H34O4S.Na
IUPAC Name:
sodium hexadecyl sulfate
Constituent 2
Chemical structure
Reference substance name:
Sodium octadecyl sulphate
EC Number:
214-295-0
EC Name:
Sodium octadecyl sulphate
Cas Number:
1120-04-3
Molecular formula:
C18H38O4S.Na
IUPAC Name:
sodium octadecyl sulfate
Details on test material:
Name of the test substance: Talgfettalkoholsulfat
C16/18

Test organisms

Test organisms (species):
Pseudomonas putida

Study design

Test type:
static
Water media type:
freshwater
Total exposure duration:
30 min

Results and discussion

Effect concentrations
Key result
Duration:
30 min
Dose descriptor:
NOEC
Effect conc.:
35 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
inhibition of total respiration

Applicant's summary and conclusion

Conclusions:
AS C16/18 Ps. putida respiration 30-min NOEC: 35 mg/L