Propyl oleate

Water solubility

Link to relevant study record(s)

Reference

Endpoint:

water solubility

Type of information:

experimental study

Adequacy of study:

key study

Study period:

2017

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

OECD Guideline 105 (Water Solubility)

Deviations:

no

Qualifier:

equivalent or similar to guideline

Guideline:

EU Method A.6 (Water Solubility)

Deviations:

no

GLP compliance:

no

Type of method:

column elution method

Specific details on test material used for the study:

Name: 9-Octadecenoic acid (9Z)-, propyl ester
Product Description: Propyl oleate
CAS No.: 111-59-1
Physical state: pale yellow to yellow liquid at 20 °C
Batch No.: 37584
Re-certification date of batch: 08 March 2018
Purity: > 99 % (fatty acid propyl esters, max water content 0.3 % (w/w))
Free Fatty Acid, % Oleic: 0.1
Color, Gardner: 3
Iodine Value, cg I2/g 75
Cloud Point, degrees C 0
Saponification Number, mg KOH/g 177
Moisture, % 0,07
Stability: stable under test conditions
Storage condition of test material: Room temperature, protected from light

Key result

Water solubility:

< 2.83 µg/L

Conc. based on:

test mat. (total fraction)

Temp.:

20 °C

pH:

6.3

Remarks on result:

not determinable

Remarks:

The water solubility at both flow rates (6.25 mL/h and 12.5 mL/h) yielded values below the lowest calibration level (2.8315 µg/L).

Details on results:

The water solubility at both flow rates (6.25 mL/h and 12.5 mL/h) yielded values below the lowest calibration level (2.8315 µg/L).

Results

The concentrations of the test item in the different test solutions were calculated automatically using the equation of the calibration curve. The results for the duplicate analyses are listed in the following table.

Table: Concentrations of the test item

Flow rate [mL/h]	Fraction No.	Volume of combined fractions [mL]	Test Item [µg/L]
12.5	1	20	< 2.83
12.5	2	20	< 2.83
12.5	3	20	< 2.83
12.5	4	20	< 2.83
12.5	5	20	< 2.83
12.5	6	20	< 2.83
12.5	7	20	< 2.83
12.5	8	20	< 2.83
6.25	1	20	< 2.83
6.25	2	20	< 2.83
6.25	3	20	< 2.83
6.25	4	20	< 2.83
6.25	5	20	< 2.83
6.25	6	20	< 2.83
6.25	7	20	< 2.83
6.25	8	20	< 2.83

The water solubility at both flow rates (6.25 mL/h and 12.5 mL/h) yielded values below the lowest calibration level (2.8315 µg/L). The water solubility of the test item was determined as < 2.83 µg/L

The water solubility was determined at 20 °C. The pH value of the collected aqueous fractions was 6.3 (pH value of HPLC water: 6.3).

Conclusions:

The water solubility of the test item Propyl oleate was analysed according to OECD 105. The water solubility of the test item was determined as < 2.83 µg/L.

Executive summary:

The water solubility of the test item Propyl oleate was analysed according to OECD 105. The water solubility at both flow rates (6.25 mL/h and 12.5 mL/h) yielded values below the lowest calibration level (2.8315 µg/L). The water solubility of the test item was determined as < 2.83 µg/L.

Description of key information

The water solubility of the test item Propyl oleate was analysed according to OECD 105. The water solubility at both flow rates (6.25 mL/h and 12.5 mL/h) yielded values below the lowest calibration level (2.8315 µg/L). The water solubility of the test item was determined as < 2.83 µg/L.

Key value for chemical safety assessment

Water solubility:

2.83 µg/L

at the temperature of:

20 °C