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Diss Factsheets

Physical & Chemical properties

Solubility in organic solvents / fat solubility

Administrative data

Endpoint:
solubility in organic solvents / fat solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2007
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: see 'Remark'
Remarks:
The study performed with scientific authoritative method and in compliance with GLP. This study was intended to determine the solubility of test item in water, in n-hexane and in n-octanol at 3 different temperatures (10°C, 20°C and 30°C).The Kow of test item at those three temperatures was calculated from the solubility of test item in water and in n-octanol.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2007
Report date:
2007

Materials and methods

Principles of method if other than guideline:
The solubility of test item was determined by suspending an excess of the compound in the buffer and in the solvents n-hexane and n-octanol,and stirring the suspensions in a thermostatted water bath for 3 days. The concentration in the filtered solutions was then determined by HPLC analysis with a UV detector by the method of external calibration. The Kow was then determined by calculation.
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
429-290-0
EC Name:
-
Cas Number:
3380-30-1
Molecular formula:
C12 H8 Cl2 O2
IUPAC Name:
5-chloro-2-(4-chlorophenoxy)phenol
Details on test material:
- Substance type: organic
- Physical state: solid
- Lot/batch No.: DCS LAB 006 07

Results and discussion

Test substance stable:
not determined

Any other information on results incl. tables

Results:

Solvent Temperature Solubility
n-hexan 10°C

8.7 mg/L

n-hexan 20°C

18.6 mg/L

n-hexan 30°C

27.0 mg/L

n-octanol 10°C

36.8 mg/L

n-octanol 20°C

43.7 mg/L

n-octanol 30°C

51.4 mg/L

A trend can be seen, the solubility of test item increases with temperature

Applicant's summary and conclusion