Registration Dossier
Registration Dossier
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EC number: 947-917-0 | CAS number: -
Boiling point
Administrative data
Link to relevant study record(s)
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling Point)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Version / remarks:
- 2008
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- differential scanning calorimetry
- Atm. press.:
- 1 020 hPa
- Decomposition:
- yes
- Decomp. temp.:
- >= 190 °C
- Remarks on result:
- not determinable
- Conclusions:
- Reaction product of lauryl-PDA/lauryl-DETA with chloroacetic acid does not have a boiling point until disintegration at about 190 °C.
- Executive summary:
The boiling temperature of Reaction product of lauryl-PDA/lauryl-DETA with chloroacetic acid was determined by thermogravimetry and differential scanning calorimetry according to the OECD Test Guideline 103 [adopted on 27 July 1995] and EU test method A.2.
No boiling point could be detected; decomposition started above 190 °C (1020 hPa).
Reference
The recorded main weight loss above 252.1 °C (estimated onset on TGA) may indicate a beginning evaporation (boiling). However, based on the visual inspection and the results of the DSC preliminary test (up to 250°C) a product decomposition is more likely.
In order to provide evidence for this assumption, a degradation test was performed during which an aliquot of the sample was heated to 190 °C for 15 minutes. The remaining residue (98 % of the original material) war characterised by NMR spectroscopy. The NMR analysis confirms the decomposition of the product. A significant loss of carbonyl functions was detected.
Consequently, the test item does not provide a boiling point until disintegration at about 190 °C.
Description of key information
decomposition before boiling
Key value for chemical safety assessment
Additional information
The boiling temperature of Reaction product of lauryl-PDA/lauryl-DETA with chloroacetic acid was determined by thermogravimetry and differential scanning calorimetry according to the OECD Test Guideline 103 [adopted on 27 July 1995] and EU test method A.2.
No boiling point could be detected; decomposition started above 190 °C (1020 hPa).
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