Eldew APS-307

Melting point / freezing point

Administrative data

Endpoint:

melting point/freezing point

Type of information:

experimental study

Adequacy of study:

key study

Study period:

Between 23 January 2009 and 27 February 2009.

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: Study conducted in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of the relevant results.

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2009

Report date:

2009

Materials and methods

Test guideline

Qualifier:

according to guideline

Guideline:

EU Method A.1 (Melting / Freezing Temperature)

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Remarks:

Date of GLP inspection: 19/08/2008 Date of Signature on GLP certificate: 04/03/2009

Type of method:

other: Differential Scanning Calorimetry, using ASTM E537-86

Test material

Test material information

Constituent 1

Details on test material:

- Name of test material (as cited in study report): Eldew APS-307
- Substance type: Organic UVCB
- Physical state: Pale yellow waxy solid
- Analytical purity: 100%
- Lot/batch No.: 809114
- Stability under test conditions: stable
- Storage condition of test material: Room temperature, in the dark

Results and discussion

Melting / freezing point

Melting / freezing pt.:

304 - 321 K

Any other information on results incl. tables

Thermographic data for Determinations 1, 2 and 3 are shown in the following tables respectively:

Table 4.2:       Thermographic Data - Determination 1

Thermal Event	Interpretation	Temperature
		^oC	K
Onset of endotherm	Onset of melting temperature range	32.05	305
Endset of endotherm	Endset of melting temperature range	47.69	321

Table 4.3:       Thermographic Data - Determination 2

Thermal Event	Interpretation	Temperature
		^oC	K
Onset of endotherm	Onset of melting temperature range	31.06	304
Endset of endotherm	Endset of melting temperature range	46.94	320

Table 4.4:       Thermographic Data - Determination 3

Thermal Event	Interpretation	Temperature
		^oC	K
Onset of endotherm	Onset of melting temperature range	30.58	304
Endset of endotherm	Endset of melting temperature range	47.05	320

Overall melting temperature range: 304 to 321 ± 1 K

Please see Attachment 1 for Thermogram data.

Applicant's summary and conclusion

Conclusions:

The melting temperature range of the test material has been determined to be 304 to 321 ± 1 K

Executive summary:

Method:

The determination was carried out by differential scanning calorimetry (DSC) using the procedure specified in ASTM E537-86, Method A1 Melting/Freezing Temperature of Council Regulation (EC) No 440/2008 of 30 May 2008.

Conclusion: The melting temperature range of the test material has been determined to be 304 to 321 ± 1 K