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

Melting point / freezing point

Administrative data

Endpoint:

melting point/freezing point

Type of information:

experimental study

Adequacy of study:

key study

Study period:

23 August 2017 to 14 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 102 (Melting point / Melting Range)

Deviations:

no

Test guideline 2

Qualifier:

according to guideline

Guideline:

EU Method A.1 (Melting / Freezing Temperature)

Deviations:

no

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:

differential scanning calorimetry

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

Specific details on test material used for the study:

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: room temperature, in the dark

Results and discussion

Melting / freezing point

Key result

Atm. press.:

> 99.1 - < 101.4 kPa

Decomposition:

yes

Decomp. temp.:

ca. 215 °C

Remarks on result:

other:

Remarks:

decomposition without melting

Any other information on results incl. tables

Result table:

Measurement	Thermal event	Interpretation	Temperature (°C)	Temperature (K)
1 (air atmosphere)	Approximate endotherm onset temperature	Approximate onset of decompostion	217.73	491
	Extrapolated endotherm onset temperature	-	244.71	518
2 (air atmosphere)	Approximate endotherm onset temperature	Approximate onset of decompostion	215.21	488
	Extrapolated endotherm onset temperature	-	244.35	518
3 (nitrogen atmosphere)	Approximate endotherm onset temperature	Approximate onset of decompostion	231.36	505
	Extrapolated endotherm onset temperature	-	244.47	518
4 (nitrogen atmosphere)	Approximate endotherm onset temperature	Approximate onset of decompostion	229.38	503
	Extrapolated endotherm onset temperature	-	244.62	518

Applicant's summary and conclusion

Conclusions:

The test item was determined to decompose, prior to melting, from a temperature of approximately 215 °C (488 K), at 99.1 to 101.4 kPa. Decomposition was observed both in air and under a nitrogen atmosphere.
Therefore, due to thermal decomposition, the melting temperature cannot be determined for this substance.

Executive summary:

The study was initiated to evaluate the melting temperature of the test item.

However the test item was determined to decompose, prior to melting, from a temperature of approximately 215 °C (488 K), at 99.1 to 101.4 kPa. Decomposition was observed both in air and under a nitrogen atmosphere.

Therefore, due to thermal decomposition, the melting temperature cannot be determined for this substance.