Registration Dossier
Registration Dossier
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EC number: 616-632-0 | CAS number: 78564-87-1
Boiling point
Administrative data
Link to relevant study record(s)
- Endpoint:
- temperature of decomposition (state purity)
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- September 08, 2021 - September 23, 2021
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Version / remarks:
- EC No. 440/2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling Point)
- Version / remarks:
- 1995
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
- Key result
- Decomposition:
- yes
- Decomp. temp.:
- >= 190 °C
- Remarks on result:
- not determinable
- Conclusions:
- The substance decomposes prior to boiling
- Executive summary:
The boiling point of the test item was measured by DSC-measurements.
The test item Disperse Red 153 had a no boiling point according to European Commission Regulation (EC) No. 440/2008, A.2. as well as OECD 103 (1995).
Reference
Individual results:
Boiling point / boiling range: DSC measurement:
A measurement (see endpoint melting point) in aluminium crucibles with a hole showed no endothermal effect after the melting at 133 to 170°C up to a final temperature (500 °C). After melting the test item decomposed starting at approx. 200 °C.
Results of the capillary method
No. | Set point / | Heating rate / K/min | End | Remarks |
1 | 120 | 1 | 200 | 136.7 °C: test item appeared wet Approx. 160 °C: half of the test item appeared melted 169.7 °C: red melt Approx. 190 °C: test item darkened to dark red |
2 | 120 | 1 | 200 | 135.5 °C: test item started to melt 159.5 °C: half of the test item appeared melted 165.3 °C: red melt Approx. 190 °C: test item darkened to dark red |
3 | 120 | 1 | 200 | 133.3 °C: test item started to melt 155.3 °C: half of the test item appeared melted 163.9 °C: red melt Approx. 190 °C: test item darkened to dark red |
The test item had no boiling point under atmospheric conditions. Decomposition started at approx. 200 °C[1].
[1] Not valid as a study result on thermal stability
Description of key information
The boiling point of the test item was measured by DSC-measurements.
The test item Disperse Red 153 has no boiling point according to European Commission Regulation (EC) No. 440/2008, A.2. as well as OECD 103 (1995).
Key value for chemical safety assessment
- Temperature of decomposition (state purity):
- 190 °C
Additional information
The test item Disperse Red 153 has no boiling point, it discomposes prior to boiling.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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