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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Adsorption / desorption

Currently viewing:

Administrative data

Endpoint:
adsorption / desorption
Remarks:
adsorption
Type of information:
(Q)SAR
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Validated QSAR model
Justification for type of information:
QSAR prediction: migrated from IUCLID 5.6

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
Predicting the sorption of fatty alcohols and alcohol ethoxylates to effluent and receiving water solids
Author:
van Compernolle, R. et al.
Year:
2006
Bibliographic source:
Ecotoxicology and Environmental Safety 64: 61 – 74
Reference Type:
secondary source
Title:
Human & Environmental Health Risk Assessment on ingredients of European household cleaning products. Alcohol Ethoxylates. Version 2.0. September 2009
Author:
HERA
Year:
2009
Bibliographic source:
http://www.heraproject.com

Materials and methods

Principles of method if other than guideline:
Calculation based on equations developed by van Compernolle et al. (2006).
GLP compliance:
no
Type of method:
other: calculation
Media:
other: e.g. activated sludge, river water solids

Test material

Constituent 1
Reference substance name:
Alcohols, C12-18, ethoxylated
EC Number:
500-201-8
EC Name:
Alcohols, C12-18, ethoxylated
Cas Number:
68213-23-0
Molecular formula:
not applicable, UVCB
IUPAC Name:
Alcohols, C12-18(even numbered), ethoxylated
Details on test material:
- Analytical purity: not applicable

Results and discussion

Adsorption coefficientopen allclose all
Type:
log Koc
Value:
4.29
Temp.:
25 °C
Remarks on result:
other: The range of the calculated values represents the variation of carbon chain length and the degree of ethoxylation according to substance specifications.
Type:
Koc
Value:
19 499
Temp.:
25 °C
Remarks on result:
other: The range of the calculated values represents the variation of carbon chain length and the degree of ethoxylation according to substance specifications.

Any other information on results incl. tables

Table 1: Range of calculated Koc and log Koc values according to substance specifications (carbon chain length, degree of ethoxylation)

Structure

Koc

Log Koc

Alcohol, C 12

4656

 3.7

Alcohol, C 18

398107

 5.6

Alcohol ethoxylate, C12, 1 EO

 

5188

 

3.7

Alcohol ethoxylate, C18, 1 EO

 

443609

 

5.6

Alcohol ethoxylate, C12, 3 EO

 

5188

 

3.7

Alcohol ethoxylate, C18, 3 EO

 

550808

 

5.7

Applicant's summary and conclusion