Registration Dossier
Registration Dossier
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The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
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EC number: - | 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:
- 07 Apr - 05 May 2020
- 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
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Version / remarks:
- 1995
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
- Remarks:
- additional confirmation by capillary method
- Key result
- Atm. press.:
- 1 003 hPa
- Decomposition:
- yes
- Decomp. temp.:
- >= 240 °C
- Sublimation:
- no
- Remarks on result:
- not determinable
- Remarks:
- no melting point up to the decomposition temperature could be determined
- Conclusions:
- The test item N,N’-di-L-alanyl-L-cystine / (L-Ala-L-Cys)2 has no melting point up to the decomposition temperature of approx. 240 °C at atmospheric pressure (1003 hPa) as determined by Differential Scanning Calorimetry and confirmed by the Capillary Method according to Regulation (EC) No 440/2008 Method A.1. and OECD Test Guideline 102 (1995).
Reference
Description of key information
no melting point up to the decomposition temperature of approx. 240 °C at atmospheric pressure (1003 hPa) (OECD 102, GLP)
Key value for chemical safety assessment
Additional information
The test item N,N’-di-L-alanyl-L-cystine / (L-Ala-L-Cys)2 has no melting point up to the decomposition temperature of approx. 240 °C at atmospheric pressure (1003 hPa) as determined by Differential Scanning Calorimetry and confirmed by the Capillary Method according to Regulation (EC) No 440/2008 Method A.1. and OECD Test Guideline 102 (1995).
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
