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EC number: 201-051-3 | CAS number: 77-71-4
Boiling point
Administrative data
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Testing was conducted between 26 October 2009 and 19 November 2009.
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study conducted in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of the relevant results.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 009
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Date of inspection: 19-08-2008 Date of Signature: 04-09-2009
- Type of method:
- differential scanning calorimetry
Test material
- Reference substance name:
- DMH
- IUPAC Name:
- DMH
- Details on test material:
- Sponsor's identification: DMH
Description: white crystalline solid
Batch number: N5439431
Date received: 24 February 2006
Storage conditions: room temperature in the dark
Constituent 1
Results and discussion
Boiling point
- Boiling pt.:
- 586 K
- Atm. press.:
- 101.21 kPa
- Remarks on result:
- other: The boiling temperature of the test material has been determined to be 586 ± 0.5 K at 101.21 kPa.
Any other information on results incl. tables
Results
Thermograms and thermographic data for determinations 1 and 2 are shown in atached Figure 5.1. and Figure 5.2. and in the following tables respectively.
Figure 5.1 Thermogram – Determination 1 (Please see attached Fig 4.1 & 4.2 Thermogram – Determination)
Table5.2 Thermographic Data – Determination 1
Thermal Event |
Interpretation |
Temperature |
|
ºC |
K |
||
Endotherm |
Boiling Temperature |
312.53 |
586 |
Atmospheric pressure: 101.21 kPa
Figure 5.2 Thermogram – Determination 2 (Please see attached Fig 4.1 & 4.2 Thermogram – Determination)
Table 5.3 Thermographic Data – Determination 2
Thermal Event |
Interpretation |
Temperature |
|
ºC |
K |
||
Endotherm |
Boiling Temperature |
312.56 |
586 |
Atmospheric pressure: 101.21 kPa
Mean boiling temperature: 586 ± 0.5 K:Applicant's summary and conclusion
- Conclusions:
- The boiling temperature of the test material has been determined to be 586 ± 0.5 K at 101.21 kPa.
- Executive summary:
Method
The determination was carried out by differential scanning calorimetry (DSC) using the procedure specified in ASTM E537-86, Method A2 Boiling Temperature of Commission Regulation (EC) No 440/2008 of 30 May 2008.
Conclusion
The boiling temperature of the test material has been determined to be 586 ± 0.5 K at 101.21 kPa.
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