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EC number: 904-908-6 | 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:
- June 28th, 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: CIPAC MT 3.2.1
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- pycnometer method
- Type:
- density
- Density:
- 1.06 g/cm³
- Temp.:
- 20 °C
- Key result
- Type:
- relative density
- Density:
- 1.06 other: dimensionless
- Temp.:
- 20 °C
- Conclusions:
- The relative density of the test item was determined to be 1.060.
- Executive summary:
The density of the test item was determined according to EEC Method A.3 "Relative Density", under GLP conditions. The pycnometer method was used and the relative density was calculated by dividing the mass of the tested material by its volume. Clean and dry pycnometer together with stopper and cap was weighed in laboratory scale to the nearest 0.0001 g and then filled with standard water of purity 3 and thermostated to the test temperature (20 ºC). The pycnometer containing the water was dried, cooled and weighed. In order to determine the mass of the tested material, the pycnometer was filled with the material, thermostated and weighed after drying and cooling. Two trials were performed. The relative density of the test item was determined to be 1.060 g/ml (average value) and the relative density was 1.060 .
Reference
Two trials were performed to determine the density of the test item. The results are presented in Table 1.
Table 1. Results of density determination.
Test nº |
Mass of empty pycnometer m0 (g) |
Mass of pycnometer with water m1 (g) |
Mass of pycnometer with tested material m3 (g) |
Density (g/ml) |
1 |
20.5051 |
45.6623 |
47.2314 |
1.0604 |
2 |
20.5053 |
45.6622 |
47.2308 |
1.0604 |
Average |
1.060 |
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Description of key information
Key study. EEC Method A.3 "Relative Density". GLP study. The relative density of the test item was determined to be 1.613.
Key value for chemical safety assessment
- Relative density at 20C:
- 1.06
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