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EC number: 240-354-5 | CAS number: 16230-35-6
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- December 5, 2016
- 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
- Specific details on test material used for the study:
- STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: room temperature. - Key result
- Type:
- relative density
- Density:
- ca. 1.125 other: dimensionless
- Temp.:
- 20 °C
- Type:
- density
- Density:
- ca. 1.125 g/cm³
- Temp.:
- 20 °C
- Conclusions:
- The average calculated relative density at 20ºC temperature of the test item was 1.125.
- Executive summary:
The relative density of the test item has been determined using the Gay-Lussac pycnometer according to EU method A.3 and CIPAC MT 3.2.1, following GLP. The method was based in measuring the mass of the substance occupying a unit volume at 20ºC. The density is calculated by dividing the mass of the tested material by the volume of the pycnometer. The average mesured absolute density at 20ºC temperature was 1.125 g/ml. The average calculated relative density at 20ºC temperature of the test item was 1.125.
Reference
Table 1. Results of density determination
Test No. |
Mass of empty pycnometer
mo |
Mass of pycnometer with water
m1 |
Mass of pycnometer with tested material m3 |
Density |
[g] |
[g] |
[g] |
[g/ml] |
|
1 |
20.5053 |
45.6625 |
48.8703 |
1.1253 |
2 |
20.5054 |
45.6624 |
48.8714 |
1.1254 |
|
|
|
Average |
1.125 |
As the difference between results was less than 0.03 g/ml, hence two trials were enough.
Description of key information
Key study: EU method A.3 and CIPAC MT 3.2.1. GLP study. The average calculated relative density at 20ºC temperature of the test item was 1.125.
Key value for chemical safety assessment
- Relative density at 20C:
- 1.125
Additional information
Key study: The relative density of the test item has been determined using the Gay-Lussac pycnometer according to EU method A.3 and CIPAC MT 3.2.1, following GLP. The method was based in measuring the mass of the substance occupying a unit volume at 20ºC. The density is calculated by dividing the mass of the tested material by the volume of the pycnometer. The average mesured absolute density at 20ºC temperature was 1.125 g/ml. The average calculated relative density at 20ºC temperature of the test item was 1.125.
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