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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: screening
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP study according to EU / OECD guideline.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2006

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method C.19 (Estimation of the Adsorption Coefficient (KOC) on Soil and Sewage Sludge Using High Performance Liquid Chromatography (HPLC))
GLP compliance:
yes (incl. QA statement)
Type of method:
HPLC estimation method
Media:
soil/sewage sludge

Test material

Constituent 1
Chemical structure
Reference substance name:
methyl 4-cyano-2-nitrobenzoate
EC Number:
610-840-5
Cas Number:
52449-76-0
Molecular formula:
C9H6N2O4
IUPAC Name:
methyl 4-cyano-2-nitrobenzoate
Radiolabelling:
no

Study design

Batch equilibrium or other method

Analytical monitoring:
yes
Duration of adsorption equilibrationopen allclose all
Sample No.:
#1
Duration:
4.651 min
Initial conc. measured:
100.95 other: mg/L
Temp.:
30 °C
Sample No.:
#2
Duration:
4.656 min
Initial conc. measured:
100.95 other: mg/L
Temp.:
30 °C
Sample No.:
#3
Duration:
4.663 min
Initial conc. measured:
100.95 other: mg/L
Temp.:
30 °C
Duration:
4.657 min
Initial conc. measured:
100.95 other: mg/L
Temp.:
30 °C

Results and discussion

Adsorption coefficient
Type:
log Koc
Value:
2.3
Temp.:
30 °C

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
The estimated adsorption coefficient (log Koc) of the test item is log Koc = 2.3