Registration Dossier
Registration Dossier
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EC number: 206-017-1 | CAS number: 288-13-1
Density
Administrative data
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 014
- Report date:
- 2014
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- pycnometer method
Test material
- Reference substance name:
- Pyrazole
- EC Number:
- 206-017-1
- EC Name:
- Pyrazole
- Cas Number:
- 288-13-1
- Molecular formula:
- C3H4N2
- IUPAC Name:
- 1H-pyrazole
- Test material form:
- other: solid
- Details on test material:
- Name of test material (as cited in study report): 1H-Pyrazole
Analytical purity: pure (not specified)
Lot/batch No.: QP 672
Constituent 1
Results and discussion
Density
- Type:
- relative density
- Density:
- 1.209
- Temp.:
- 20 °C
Any other information on results incl. tables
Results in detail:
| 1st determination | 2nd determination | ||
| V | Volume of pycnometer | 25.2023 cm3 | 25.4635 cm3 |
| A | Mass of pycnometer empty (corrected for air) |
35.5233 | 35.8482 |
| B | Mass of pycnometer with test item (corrected for air) |
48.3350 | 48.5679 |
| C | Mass of pycnometer with test item and displacement liquid |
59.9517 | 60.4561 |
| D | Mass of displacement liquid calculated for the total pycnometer volume |
20.0535 | 20.2613 |
| E | Mass of test item (B - A) | 12.8117 | 12.7197 |
| F | Mass of displacement liquid (C - B) | 11.6167 | 11.8882 |
| G | Mass of displacement liquid calculated for the volume taken by the test item (D - F) |
8.4368 | 8.3731 |
| H | Density of the test item (E/G * density of displacement liquid) |
1.2083 g/cm3 | 1.2088 g/cm3 |
| I | Relative density D204(H/density of water at 4°C) |
mean: 1.209 | |
Masses are listed in gram. Results are calculated from not rounded single values.
For calculation used densities:
Pair at room temperature: 0.0012 g/cm3
Pwater at 4°C: 1.0000 g/cm3
Applicant's summary and conclusion
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.
