Potassium (1R,3R)-3-[(1Z)-2-chloro-3,3,3-trifluoroprop-1-en-1-yl]-2,2-dimethylcyclopropanecarboxylate and Potassium (1S,3S)-3-[(1Z)-2-chloro-3,3,3-trifluoroprop-1-en-1-yl]-2,2-dimethylcyclopropanecarboxylate

Surface tension

Administrative data

Endpoint:

surface tension

Type of information:

experimental study

Adequacy of study:

key study

Study period:

23 August 2017 to 19 September 2017

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2017

Report date:

2017

Materials and methods

Test guideline

Test guideline 1

Qualifier:

according to guideline

Guideline:

OECD Guideline 115 (Surface Tension of Aqueous Solutions)

Deviations:

yes

Remarks:

The age of the solution used is not specified

Test guideline 2

Qualifier:

according to guideline

Guideline:

EU Method A.5 (Surface Tension)

Deviations:

yes

Remarks:

The age of the solution used is not specified

GLP compliance:

no

Remarks:

This study was conducted in a facility operating to Good Laboratory Practice within the National GLP Compliance Monitoring Authority program, but the study report has not been audited by the Quality Assurance Unit.

Type of method:

OECD harmonised ring method

Test material

Test material information

Constituent 1

Reference substance name:

Potassium (1R,3R)-3-[(1Z)-2-chloro-3,3,3-trifluoroprop-1-en-1-yl]-2,2-dimethylcyclopropanecarboxylate and Potassium (1S,3S)-3-[(1Z)-2-chloro-3,3,3-trifluoroprop-1-en-1-yl]-2,2-dimethylcyclopropanecarboxylate

Cas Number:

82597-69-1

Molecular formula:

C9 H10 Cl F3 O2 . K

IUPAC Name:

Potassium (1R,3R)-3-[(1Z)-2-chloro-3,3,3-trifluoroprop-1-en-1-yl]-2,2-dimethylcyclopropanecarboxylate and Potassium (1S,3S)-3-[(1Z)-2-chloro-3,3,3-trifluoroprop-1-en-1-yl]-2,2-dimethylcyclopropanecarboxylate

Test material form:

solid

Results and discussion

Surface tension

Key result

Surface tension:

67.9 mN/m

Temp.:

20.5 °C

Conc.:

1 g/L

Any other information on results incl. tables

Preparation of test solutions:

Sample Solution A: 0.1037 g of test item in 100 mL high purity water (pH = 7.6)

Sample Solution B: 0.1031 g of test item in 100 mL high purity water (pH = 7.6)

Table 1: Water Calibration Data

Water relevant to Sample Solution A	Reading (mN/m)	72.0	72.0	72.0	72.5	72.0	72.0	72.0	Mean calibration factor:
	Temperature (°C)	20.6	20.6	20.6	20.6	20.6	20.6	20.6
	Literature Value (mN/m)	72.63	72.63	72.63	72.63	72.63	72.63	72.63
	Calibration Factor	1.009	1.009	1.009	1.009	1.009	1.009	1.009	1.008
Water relevant to Sample Solution B	Reading (mN/m)	72.5	73.0	73.0	73.0	73.0	73.0	73.0	Mean Calibration Factor:
	Temperature (°C)	20.6	20.8	20.8	20.8	20.8	20.8	20.8
	Literature Value (mN/m)	72.63	72.60	72.60	72.60	72.60	72.60	72.60
	Calibration Factor	1.002	0.9945	0.9945	0.9945	0.9945	0.9945	0.9945	0.9956

Table 2: Surface Tension Measurements:

Sample Solution A	Time (mins)	143	157	170	184	198	223	Mean sample reading:
	Temperature (°C)	20.6	20.6	20.6	20.6	20.6	20.6
	Reading (mN/m)	67.0	67.0	67.5	68.0	67.5	67.5	67.4
Sample Solution B	Time (mins)	242	256	269	287	301	314	Mean sample reading:
	Temperature (°C)	20.6	20.8	20.8	20.8	20.8	20.8
	Reading (mN/m)	68.0	68.0	68.0	68.0	68.5	68.5	68.2

Times indicated correspond to the time after the solution was transferred to the measurement vessel.

Determined values:

Sample Solution A: Surface tension = 67.4 x 1.008 = 67.9 mN/m

Sample Solution B: Surface tension = 68.2 x 0.9956 = 67.9 mN/m

Applicant's summary and conclusion

Conclusions:

The average surface tension of duplicate 1.0 g/L solutions of test item in water has been determined to be 67.9 mN/m at 20.5 ± 0.5 °C.

Executive summary:

The study was performed to determine the surface tension of the test item.

The average surface tension of duplicate 1.0 g/L solutions of test item in water has been determined to be 67.9 mN/m at 20.5 ± 0.5 °C.