Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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)

Data source

Reference
Reference Type:
other: Prediction model
Title:
Adsorption by EPI (Estimation Programs Interface) Suite
Author:
Sustainability Support Service (Europe) AB - estimated
Year:
2011
Bibliographic source:
Estimation Programs Interface Suite™ United States Environmental Protection Agency, Washington, DC, USA. version 4.1

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Modelling database
Principles of method if other than guideline:
KOCWIN Program (v2.00)
GLP compliance:
no
Type of method:
other: MCI Method
Media:
soil

Test material

Constituent 1
Chemical structure
Reference substance name:
4-nitro-o-xylene
EC Number:
202-761-6
EC Name:
4-nitro-o-xylene
Cas Number:
99-51-4
Molecular formula:
C8H9NO2
IUPAC Name:
4-nitro-o-xylene
Details on test material:
Substance Name : 4-nitro-o-xylene
Molecular Formula : C8H9NO2
Physical state : Liquid
Radiolabelling:
not specified

Study design

Test temperature:
25°C

Batch equilibrium or other method

Analytical monitoring:
not specified

Results and discussion

Adsorption coefficient
Type:
Koc
Value:
594.7
Temp.:
25 °C
Remarks on result:
other: Koc : 594.7 L/kg estimated via MCI method

Applicant's summary and conclusion

Conclusions:
Soil adsorption coefficient (Koc) value of 4-nitro-o-xylene is estimated as 594.7 L/kg (Log Koc 2.77) by means of MCI method. Based on this, this substance has low sorption to soil and sediment.
Executive summary:

Soil adsorption coefficient (Koc) value of 4-nitro-o-xylene is estimated as 594.7 L/kg (Log Koc 2.77) by means of MCI method. Based on this, this substance has low sorption to soil and sediment.