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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Link to relevant study record(s)

Reference
Endpoint:
adsorption / desorption: screening
Type of information:
(Q)SAR
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Justification for type of information:
QSAR prediction: QSAR method cited as reliable in the REACH guidance
Qualifier:
no guideline followed
Principles of method if other than guideline:
QSAR model
GLP compliance:
no
Remarks:
not relevant
Type of method:
other: QSAR model
Media:
other: QSAR model
Radiolabelling:
no
Test temperature:
QSAR model
Analytical monitoring:
no
Type:
Koc
Value:
422.3
Remarks on result:
other: Estimate from MCI:
Type:
log Koc
Value:
2.626
Remarks on result:
other: Koc Estimate from MCI
Type:
Koc
Value:
2 245
Remarks on result:
other: Estimate from Log Kow
Type:
log Koc
Value:
3.351
Remarks on result:
other: Estimate from Log Kow:

KOCWIN Program (v2.00) Results:

==============================

SMILES : CCCCCCCCCCCCO

CHEM  : Alcohols, C12-14

MOL FOR: C13 H28O

MOL WT : 193-203

--------------------------- KOCWIN v2.00 Results ---------------------------

Koc Estimate from MCI:

---------------------

First Order Molecular Connectivity Index ........... : 6.414

Non-Corrected Log Koc (0.5213 MCI + 0.60) .......... : 3.9435

Fragment Correction(s):

1 Aliphatic Alcohol (-C-OH) ........... : -1.3179

Corrected Log Koc .................................. : 2.6256

Estimated Koc: 422.3 L/kg <===========

Koc Estimate from Log Kow:

-------------------------

Log Kow (experimental DB) ......................... : 5.13

Non-Corrected Log Koc (0.55313 logKow + 0.9251) .... : 3.7627

Fragment Correction(s):

1 Aliphatic Alcohol (-C-OH) ........... : -0.4114

Corrected Log Koc .................................. : 3.3512

Estimated Koc: 2245 L/kg <===========

Validity criteria fulfilled:
yes
Conclusions:
KOCWIN predicts a Koc value of 422.3 L/kg (log Koc 2.6256)
The log of the adsorption coefficient (KOC) of Alcohols, C12-14 was estimated to be log KOC = 2.6256 which is equal to a KOC value of 422.3 using the KOCWIN v2.00 QSAR method. Estimate from MCI.
The log of the adsorption coefficient (KOC) of Alcohols, C12-14 was estimated to be log KOC = 3.3512 which is equal to a KOC value of 2245 using the KOCWIN v2.00 QSAR method. Estimate from Log Kow.
Executive summary:

The log of the adsorption coefficient (KOC) of Alcohols, C12-14 was estimated to be log KOC = 2.6256 which is equal to a KOC value of 422.3 using the KOCWIN v2.00 QSAR method. Estimate from MCI.

The log of the adsorption coefficient (KOC) of Alcohols, C12-14 was estimated to be log KOC = 3.3512 which is equal to a KOC value of 2245 using the KOCWIN v2.00 QSAR method. Estimate from Log Kow.

Description of key information

The log of the adsorption coefficient (KOC) of Alcohols, C12-14 was estimated to be log KOC = 2.6256 which is equal to a KOC value of 422.3 using the KOCWIN v2.00 QSAR method. Estimate from MCI.
The log of the adsorption coefficient (KOC) of Alcohols, C12-14 was estimated to be log KOC = 3.3512 which is equal to a KOC value of 2245 using the KOCWIN v2.00 QSAR method. Estimate from Log Kow.

Key value for chemical safety assessment

Koc at 20 °C:
2 245

Additional information

The log of the adsorption coefficient (KOC) of Alcohols, C12-14 was estimated to be log KOC = 3.3512 which is equal to a KOC value of 2245 using the KOCWIN v2.00 QSAR method.

KOCWIN Program (v2.00) Results:

==============================

SMILES : CCCCCCCCCCCCO

CHEM  : Alcohols, C12-14

MOL FOR: C13 H28O

MOL WT : 193-203

--------------------------- KOCWIN v2.00 Results ---------------------------

Koc Estimate from MCI:

---------------------

First Order Molecular Connectivity Index ........... : 6.414

Non-Corrected Log Koc (0.5213 MCI + 0.60) .......... : 3.9435

Fragment Correction(s):

1 Aliphatic Alcohol (-C-OH) ........... : -1.3179

Corrected Log Koc .................................. : 2.6256

Estimated Koc: 422.3 L/kg <===========

Koc Estimate from Log Kow:

-------------------------

Log Kow (experimental DB) ......................... : 5.13

Non-Corrected Log Koc (0.55313 logKow + 0.9251) .... : 3.7627

Fragment Correction(s):

1 Aliphatic Alcohol (-C-OH) ........... : -0.4114

Corrected Log Koc .................................. : 3.3512

Estimated Koc: 2245 L/kg <===========

[LogKoc: 3.3512]