Registration Dossier
Registration Dossier
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EC number: 232-369-0 | CAS number: 8008-63-7 Extractives and their physically modified derivatives such as proteins, lipids, carbohydrates, nucleic acids, inorganic ions, etc. obtained from mammalian bile.
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- from 2018-05-23 to 2018-11-13
- 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)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7300 (Density / Relative Density / Bulk Density)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- air comparison pycnometer (for solids)
- Key result
- Type:
- relative density
- Density:
- 1.26 other: dimensionless
- Temp.:
- 20 °C
- Conclusions:
- The relative density of the test item was determined at 20 °C to be 1.26.
- Executive summary:
A study was conducted according to OECD TG 109, Regulation (EC) No 440/2008 method A.3 and OPPTS 830.7300 to determine the relative density of the test item. The density was determined in two independent determinations. Using the gas comparison pycnometer method the density was determined to be 1.2573 g/cm3 at 20 °C and the relative density 1.26 with respect to water at 4 °C, respectively.
Reference
Two tests with different amounts of the test item were performed to determine the relative density at a temperature of 20 °C ± 0.01 °C.
Table 1. Results of the measurements of the density of the test item
| Test No. | Temperature [°C] | Amount of test item [g] | Average sample volume [cm3] | Density [g/cm3] |
| 1 | 20 | 7.1210 | 5.68129 | 1.2534 |
| 2 | 20 | 6.7097 | 5.532051 | 1.2611 |
The mean density of the test item at 20 °C is 1.2573 g/cm3. The relative density is calculated by dividing the density of the test item by the density of water at 4 °C (0.9999750 g/cm3). The relative density is D420 = 1.26.
Description of key information
The relative density of the test item was determined with respect to water at 4°C to be 1.26 at 20 °C.
Key value for chemical safety assessment
- Relative density at 20C:
- 1.26
Additional information
A study was conducted according to OECD TG 109, Regulation (EC) No 440/2008 method A.3 and OPPTS 830.7300 to determine the relative density of the test item. The density was determined in two independent determinations. Using the gas comparison pycnometer method the density was determined to be 1.2573 g/cm3at 20 °C and the relative density 1.26 with respect to water at 4 °C, respectively.
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