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Diss Factsheets

Physical & Chemical properties

Solubility in organic solvents / fat solubility

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
solubility in organic solvents / fat solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
August 2000
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 116 (Fat Solubility of Solid and Liquid Substances)
Deviations:
no
Principles of method if other than guideline:
No
GLP compliance:
yes
Medium:
standard fat
Solubility:
< 0.004 mg/100 g solvent
Temp.:
37 °C
Test substance stable:
yes

The ratio of the test substance per 100 g fat was referred to the concentration of the lowest calibration standard (detection limit).

For evaluation of the result one has to take into account that the spectrometric measurements only include organic components showing absorption at the quantification wavelength.

Experiment

Pre-saturation

Stirring time at 37°C (h)

Mass ratio

Dissolved test substance/fat (100 mg/100g)

Stirring time (h)

Temperature (°C)

1

3.0

30

3

< 0.00361

2

3.0

30

3

< 0.00366

3

3.0

30

27

< 0.03361

4

3.0

30

27

< 0.00365

5

3.0

50

3

< 0.00361

6

3.0

50

3

< 0.00361

7

3.0

50

27

< 0.00367

8

3.0

50

27

< 0.00366

Conclusions:
Based on the above data the fat solubility of the test substance (mean) is < 0.0036 mg per 100 g fat at 37 deg C (not corrected). RSD = 0.74%
Executive summary:

The fat solubility of the test substance was determined according OECD Guideline 116 (Fat Solubility of Solid and Liquid Substances). Based on the results the fat solubility of the test substance (mean) is < 0.0036 mg per 100 g fat at 37 deg C (not corrected). RSD = 0.74%

Description of key information

The fat solubility of the test substance (mean) is < 0.0036 mg per 100 g fat at 37° C (not corrected). RSD = 0.74%

Key value for chemical safety assessment

Solubility in mg/100g standard fat:
0.004
At the temperature of:
37 °C

Additional information

The fat solubility of the test substance was determined according OECD Guideline 116 (Fat Solubility of Solid and Liquid Substances). Based on the results the fat solubility of the test substance (mean) is < 0.0036 mg per 100 g fat at 37° C (not corrected). RSD = 0.74% (Praschak I and Mühlberger B, 2000).