Registration Dossier
Registration Dossier
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EC number: 201-051-3 | CAS number: 77-71-4
Density
Administrative data
- Endpoint:
- relative density
- 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.3 (Relative Density)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Date of inspection: 19-08-2008 Date of Signature: 04-09-2009
- Type of method:
- pycnometer method
- Remarks:
- The determination was carried out using a gas comparison pycnometer,
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
Density
- Type:
- relative density
- Density:
- 1.26 other: The relative density of the test material has been determined to be 1.26 at 20.2 ± 0.5°C.
- Temp.:
- 20 °C
Any other information on results incl. tables
Results
Calibration
The pressure readings (P1and P2) and the calculated volume for the calibration ball are shown in the following table:
Table 6.2
Determination |
P1 |
P2 |
Volume (cm3) |
Certified Volume (cm3) |
Tolerance (cm3) |
A |
17.473 |
8.674 |
57.0 |
56.6 |
± 0.5 |
B |
17.537 |
8.702 |
56.9 |
56.6 |
± 0.5 |
Sample
The pressure readings, calculated volumes and density values obtained for the test material are shown in the following table:
Table 6.3
Determination |
P1 |
P2 |
Volume (cm3) |
Density (kg/m3) |
A |
17.724 |
7.964 |
37.8 |
1.26 x 103 |
B |
17.867 |
8.050 |
38.3 |
1.26 x 103 |
Mean density: 1.26 x 103 kg/m3
Relative density: 1.26
Applicant's summary and conclusion
- Conclusions:
- The relative density of the test material has been determined to be 1.26 at 20.2 ± 0.5°C.
- Executive summary:
Method
The determination was carried out using a gas comparison pycnometer, Method A3 Relative Density of Commission Regulation (EC) No 440/2008 of 30 May 2008.
Procedure
Testing was carried out using a Quantachrome MVP-2 gas comparison pycnometer.Conclusion
The relative density of the test material has been determined to be 1.26 at 20.2 ± 0.5°C.
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