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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Adsorption / desorption

Currently viewing:

Administrative data

Endpoint:
adsorption / desorption
Remarks:
adsorption
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Accepted calculation method, substance within applicability domain

Data source

Referenceopen allclose all

Reference Type:
other: EPIWin calculation
Title:
Unnamed
Year:
2014
Report date:
2014
Reference Type:
other: Estimation software
Title:
Estimation Programs Interface Suite for Microsoft Windows, v4.11
Author:
US EPA
Year:
2012
Bibliographic source:
United States Environmental Protection Agency, Washington, DC, USA; November 2012

Materials and methods

Principles of method if other than guideline:
Calculation using KOCWIN (v2.00) MCl Method
GLP compliance:
no
Type of method:
other: QSAR estimation: KOCWIN v2.00: Koc estimate from MCl

Test material

Constituent 1
Chemical structure
Reference substance name:
4-tert-butyl-3-hydroxy-2,6-xylylacetonitrile
EC Number:
259-766-1
EC Name:
4-tert-butyl-3-hydroxy-2,6-xylylacetonitrile
Cas Number:
55699-10-0
Molecular formula:
C14H19NO
IUPAC Name:
2-(4-tert-butyl-3-hydroxy-2,6-dimethylphenyl)acetonitrile
Constituent 2
Reference substance name:
C(#N)Cc1c(C)c(O)c(C(C)(C)C)cc1C
IUPAC Name:
C(#N)Cc1c(C)c(O)c(C(C)(C)C)cc1C
Details on test material:
- Name of test material: Benzeneacetonitrile, 4-(1,1-dimethylethyl)-3-hydroxy-2,6-dimethyl

Study design

Test temperature:
25 °C

Results and discussion

Adsorption coefficientopen allclose all
Type:
Koc
Value:
4 302
Temp.:
25 °C
Type:
log Koc
Value:
3.63
Temp.:
25 °C

Any other information on results incl. tables

Koc Estimate from MCI:

First Order Molecular Connectivity Index

 7.286

Non-Corrected Log Koc (0.5213 MCI + 0.60)

 4.3979

Fragment Correction(s)

 

1 Nitrile/Cyanide (-C#N)

 -0.6677

1 Aromatic Hydroxy (aromatic-OH)

 -0.0966

Corrected Log Koc

 3.6336

 Estimated Koc  4302 L/kg

Applicant's summary and conclusion