Registration Dossier

Administrative data

Endpoint:
adsorption / desorption
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2018
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report Date:
2018

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 121 (Estimation of the Adsorption Coefficient (Koc) on Soil and on Sewage Sludge using High Performance Liquid Chromatography (HPLC))
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
The registered substance is from a class of UVCB chemicals referred to as ZDDPs. Molecular weights and molecular formulas vary based on the alcohol content.

Study design

Test temperature:
25°C

HPLC method

Details on study design: HPLC method:
Column: 150 mm x 4.6 mm 5µm Zorbax CN column
Mobile phase: 65% methanol/35% Water
Flow Rate: 1 ml/min
Detection: Evaporative light scattering detector, UV
Temperature: 25°C
Injection volume: 1µL
Dead Time: 1.737 min by injection of sodium nitrate
Quantity of test and references injected: 0.5 µg

Batch equilibrium or other method

Computational methods:
Soil adsorption coefficient (KOCWIN v2.00)

Results and discussion

Adsorption coefficient
Key result
Sample No.:
#1
Type:
log Koc
Value:
ca. 1.36 dimensionless
Temp.:
25 °C

Results: HPLC method

Details on results (HPLC method):
see report

Any other information on results incl. tables

see report attached

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
see report
Executive summary:

see report