Registration Dossier
Registration Dossier
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EC number: 200-184-4 | CAS number: 53-84-9
Boiling point
Administrative data
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- June - November 2011
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 011
- Report date:
- 2011
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling point/boiling range)
- GLP compliance:
- yes
- Type of method:
- differential scanning calorimetry
Test material
- Reference substance name:
- Nadide
- EC Number:
- 200-184-4
- EC Name:
- Nadide
- Cas Number:
- 53-84-9
- Molecular formula:
- C21H27N7O14P2
- IUPAC Name:
- nadide
- Details on test material:
- - Substance type: organic
- Physical state: off-white powder
- Storage condition of test material: in refrigerator (2-8°C)
Constituent 1
Results and discussion
Boiling point
- Remarks on result:
- other: reaction and/or decomposition of the substance was observed starting at 150°C. The boiling point was not observed below which reaction and/or decomposition of the substance started. the test substance has no boiling point
Applicant's summary and conclusion
- Conclusions:
- Reaction and/or decomposition of the test substance was observed starting at 150°C (423K). Melting and/or boiling of the test substance was not
observed below the temperature at which reaction and/or decomposition started. Based on this, the test substance has no melting and/or boiling
temperature. - Executive summary:
The boiling temperature of the test substance were determined using differential scanning calorimetry (DSC) acc. to OECD guideline 103. The standard boiling temperature is defined as the temperature at which the vapour pressure of a liquid is the same as the standard pressure (1013.25 hPa).
In the Preliminary test 2.55 mg test substance was heated with a rate of 20°C/minute from 25°C to 550°C. At this point 48% weight loss of the test substance was observed. After the experiment, the sample was cooled to 50°C and the consistency of the test substance was determined.
In the main study an endothermic peak between 75°C and 175°C was observed. The effect was most likely obtained due to evaporation of some water vapour, attached to the test substance. An exothermic effect was seen between 150°C and 225°C. This effect is most likely due to reaction and/or decomposition of the test substance. No melting and/or boiling point could be observed. After the experiment, a black charred residue remained in the sample container.
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