Registration Dossier
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EC number: 827-581-0 | CAS number: -
Melting point / freezing point
Administrative data
Link to relevant study record(s)
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Principles of method if other than guideline:
- The test is conducted in accordance with the procedure described in EU Regulation (EC) 440/2008, Annex Part A test A.1 and OECD Test Guideline 102.
The dry substance is finely pulverised in a mortar and is put into a capillary tube, fused at one end, so that the filling level is approximately 3 mm after being tightly packed. The temperature of the apparatus is heated to about 15°C below the expected melting temperature, then the filled capillary tubes are inserted and testing is started, generally at a maximum rate of 1°C/min.
This method has an estimated accuracy of ± 0.5°C.
An Automated Mettler Toledo MP70 Melting Point System was used in this study to determine the melting point of SCMI - GLP compliance:
- yes (incl. QA statement)
- Type of method:
- capillary method
- Key result
- Melting / freezing pt.:
- >= 131 - <= 140 °C
- Conclusions:
- Melting point of SCMI was determined to be 131 - 140°C (4 seperate runs)
Average melting point for SCMI is taken as 137.7°C (mean value determined from 4 runs) - Executive summary:
A melting point test for SCMI was conducted in accordance with the procedure described in EU Regulation (EC) 440/2008, Annex Part A test A.1 and OECD Test Guideline 102 (capilliary method)
Melting point range for SCMI was determined to be 131 - 140°C (4 seperate runs)
Average melting point for SCMI is taken as 137.7°C (mean value determined from 4 runs)
- Endpoint:
- melting point/freezing point
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study without detailed documentation
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- no
- Principles of method if other than guideline:
- Fisher Johns Melting Point Apparatus
- GLP compliance:
- no
- Type of method:
- other: Fisher Johns Melting Point Apparatus
- Melting / freezing pt.:
- ca. 154.7 °C
- Conclusions:
- In a study performed to OECD 102, SLMI had a melting point = 154.2°C
- Endpoint:
- melting point/freezing point
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Remarks:
- Migrated phrase: estimated by calculation
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Principles of method if other than guideline:
- EPI Suite Calculation
- GLP compliance:
- no
- Type of method:
- other: EPI Suite Calculation
- Melting / freezing pt.:
- 271.4 °C
- Remarks on result:
- other: EPI Suite Calculation
- Conclusions:
- In a study the estimated melting point by EPISUITE of SCI was 271.4°C
- Endpoint:
- melting point/freezing point
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Remarks:
- Migrated phrase: estimated by calculation
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Principles of method if other than guideline:
- EPI Suite Calculation
- GLP compliance:
- no
- Melting / freezing pt.:
- 273.5 °C
- Remarks on result:
- other: weighted result
- Conclusions:
- In a study the estimated melting point by EPISUITE of SLMI was 273.5°C
- Endpoint:
- melting point/freezing point
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- supporting study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- capillary method
- Key result
- Melting / freezing pt.:
- > 121.2 - < 160.2 °C
- Atm. press.:
- 1 atm
- Decomposition:
- no
- Conclusions:
- In a study performed to EC method A1, the following melting point (A1) result was obtained for SLMI : 121.2 - 160.2°C (Range)
Referenceopen allclose all
Description of key information
Melting point range for SCMI was determined to be 131 - 140°C (4 seperate runs). Additional data is presented from supporting substances as read-across.
Average melting point for SCMI is taken as 137.7°C (mean value determined from 4 runs)
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 137.7 °C
Additional information
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