Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 5 Apr 2022
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- pycnometer method
- Key result
- Type:
- relative density
- Density:
- 1.003
- Temp.:
- 20 °C
- Remarks on result:
- other: Standard deviation: 0,0002
- Conclusions:
- The density of the test item Kombucha was calculated as 1.0026 ± 0.0002 g/cm3 at 20.0 ± 0.4°C. This value is the mean of two independent determinations ± the standard deviation. Correspondence of the values is very good. Therefore, the study is considered valid.
Reference
During the pre-test for viscosity, the test item was flowable and it was possible to inject the test item with a one-way syringe. As one of these criteria has been fulfilled the density could have been determined.
The calculated values are presented in the following table:
| First determination | Error rel. | Error abs. | ||
| Temperature | 19.8 | °C | 0.1 | |
| Density of water | 0.9982478 | g/cm3 | 2.00% | 0.0002 |
| Volume of Pycnometer | 25.0610 | cm3 | ||
| Density of Test Item | 1.0025 | g/cm3 | 0.0048% | 0.0000 |
| Second determination | Error rel. | Error abs. | ||
| Temperature | 19.6 | °C | 0.1 | |
| Density of water | 0.9982885 | g/cm3 | 2.00% | 0.0002 |
| Volume of Pycnometer | 25.0554 | cm3 | ||
| Density of Test Item | 1.0028 | g/cm3 | 0.0048% | 0.0000 |
Description of key information
The relative density was determined with: 1.0026 ± 0.0002 at 20.0 ± 0.4 °C (OECD 109, EU A.3)
Key value for chemical safety assessment
- Relative density at 20C:
- 1.003
Additional information
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.
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