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EC number: 304-780-6 | CAS number: 94279-36-4
Water solubility
Administrative data
Link to relevant study record(s)
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 20-30 Oct 2011
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.6 (Water Solubility)
- GLP compliance:
- no
- Type of method:
- column elution method
- Remarks:
- EU test method L142 A/57-66
- Water solubility:
- < 0.05 mg/L
- Temp.:
- 20 °C
- pH:
- >= 5.7 - <= 7.7
- Remarks on result:
- other: pH value Milipore water: 6.7
- Details on results:
- See table below.
- Conclusions:
- Interpretation of results (migrated information): insoluble (< 0.1 mg/L)
Reference
Quantitative determination of the analyte:
Flow rate, mL/h |
Fraction No. |
Water solubility, mg/L |
pH |
25.0 |
1(1-2) |
< 0.05 |
7.6 |
2(3-4) |
< 0.05 |
7.1 |
|
3(5-6) |
< 0.05 |
7.7 |
|
4(7-8) |
< 0.05 |
6.5 |
|
5(9-10) |
< 0.05 |
6.6 |
|
6(11-12) |
< 0.05 |
6.2 |
|
7(13-14) |
< 0.05 |
6.1 |
|
8(15-16) |
< 0.05 |
6.6 |
|
12.5 |
1(1-2) |
< 0.05 |
6.4 |
2(3-4) |
< 0.05 |
6.4 |
|
3(5-6) |
< 0.05 |
6.5 |
|
4(7-8) |
< 0.05 |
6.5 |
|
5(9-10) |
< 0.05 |
6.5 |
|
6(11-12) |
< 0.05 |
5.8 |
|
7(13-14) |
< 0.05 |
5.7 |
|
8(15-16) |
< 0.05 |
5.8 |
The calibration curve fits over the calibration range from 0.05 to 2.0 mg/L with r2 = 0.995.
In the course of the recovery experiment, a recovery rate of 83 % was determined.
Description of key information
Insoluble. Water solubility < 0.05 mg/L at 20 °C (pH in the range from 5.7 to 7.7)
Key value for chemical safety assessment
- Water solubility:
- 0.05 mg/L
- at the temperature of:
- 20 °C
Additional information
There was an attempt performed, to determine the water solubility of the substance 1,2,4 -benzenetricarboxylic acid, tri-C9 -11 -alkyl esters (CAS 94279 -36 -4) according to the EC Guideline A.6. The water solubility measured was below the detection limit of 0.05 mg/L. Thus, the substance is insoluble in water.
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