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Physical & Chemical properties

Partition coefficient

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Reference
Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Study period:
February 27-28, 2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
The testing laboratory was accredited to ISO 9000 series standards.
Qualifier:
according to
Guideline:
OECD Guideline 117 (Partition Coefficient (n-octanol / water), HPLC Method)
Deviations:
no
Qualifier:
according to
Guideline:
EU Method A.8 (Partition Coefficient)
Deviations:
no
Qualifier:
according to
Guideline:
EPA OPPTS 830.7570 (Partition Coefficient, n-octanol / H2O, Estimation by Liquid Chromatography)
Deviations:
no
GLP compliance:
no
Type of method:
HPLC method
Partition coefficient type:
octanol-water
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: Polynt Lot No. 3604210056
- Expiration date of the lot/batch: The product TM 8 due to its nature does not have expiry date.
- Purity test date: 24 February 2010

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: Keep container tightly closed. Keep in a dry, cool and well ventilated place.

OTHER SPECIFICS:
- Storage at testing facility: 5 years.
Analytical method:
high-performance liquid chromatography
Type:
log Pow
Partition coefficient:
9.3
Temp.:
55 °C
pH:
5.4
Conclusions:
The partition coefficient of the test item was determined to be: Log10 Pow = 9.3
Executive summary:

The partition coefficient of the test item was determined to be: Log10 Pow = 9.3

Description of key information

Partition coefficient (Log10): 9.3

Key value for chemical safety assessment

Log Kow (Log Pow):
9.3
at the temperature of:
55 °C

Additional information

The partition coefficient, determined using the HPLC method in accordance with EPA, OECD and EU test methods, has been determined as: Log10 Pow = 9.3 (T= 55 deg C).

A supporting study reports a calculated value of Log10 Pow = 12.06 (T= 25 deg C).