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Solubility in organic solvents / fat solubility

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Reference
Endpoint:
solubility in organic solvents / fat solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
other: OECD Guideline 105 (Water Solubility)
Deviations:
no
GLP compliance:
yes
Key result
Medium:
isopropanol
Solubility:
614 g/L
Temp.:
20 °C
Remarks on result:
other: Similar results at 10 and 30°C. (Solubility was calculated as the sum of the solubilities of C8-TMAC, C10-TMAC, C12-TMAC, C14-TMAC, C16-TMAC, C18-TMAC and C18:1-TMAC)
Key result
Medium:
other: n-hexane
Solubility:
< 0.214 mg/L
Temp.:
20 °C
Remarks on result:
other: Similar results at 10 and 30°C. (Solubility was calculated as the sum of the solubilities of C8-TMAC, C10-TMAC, C12-TMAC, C14-TMAC, C16-TMAC, C18-TMAC and C18:1-TMAC)
Key result
Medium:
n-octanol
Solubility:
243 g/L
Temp.:
20 °C
Remarks on result:
other: Solubility was calculated as the sum of the solubilities of C8-TMAC, C10-TMAC, C12-TMAC, C14-TMAC, C16-TMAC, C18-TMAC and C18:1-TMAC
Test substance stable:
yes
Details on results:
The solubility of test substance in isopropanol, n-hexane and n-octanol was 614, <2.14 x 10(-4) and 243 g/L, respectively, at 20°C. Test substance showed no temperature dependence of solubility.
Conclusions:
Under the study conditions, the solubility of the substance in isopropanol, n-hexane and n-octanol was 614, <2.14 x 10(-4) and 243 g/L, respectively, at 20°C. Test substance showed no temperature dependence of solubility.
Executive summary:

A study was conducted to determine the solubility of the test substance, TMAC C (98.4% active), in organic solvents using the flask method, according to the OECD 105 Guideline, in compliance with GLP . Under the study conditions, the solubility of the substance in isopropanol, n-hexane and n-octanol was determined to be 614, < 2.14 x 10-4 and 243 g/L, respectively, at 20°C. The substance showed no temperature dependence of solubility (Brekelmans, 2012).

Description of key information

Under the study conditions, the solubility of the substance in isopropanol, n-hexane and n-octanol was 614, <2.14 x 10(-4) and 243 g/L, respectively, at 20°C. Test substance showed no temperature dependence of solubility.

Key value for chemical safety assessment

At the temperature of:
20 °C
Solubility in organic solvents at 20°C:
243 g/L

Additional information

The solubility in organic solvents was determined using the flask method according to OECD Guideline 105 (Brekelmans, 2012).