Registration Dossier
Registration Dossier
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EC number: 266-658-8 | CAS number: 67352-37-8
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- February 27, 2015
- 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)
- GLP compliance:
- no
- Type of method:
- pycnometer method
- Type:
- relative density
- Density:
- ca. 1.268
- Temp.:
- 20 °C
- Conclusions:
- Relative density: 1.268 at 20 °C
- Executive summary:
Method
Relative density was determined by means of a pycnometer as per recommendations of OECD 109. Density was calculated from the difference in weight between the full and empty pycnometer and its volume.
Result
Relative density: 1.268 at 20 °C.
Reference
Absolute density of a substance (δ) is calculated as:
δ subs = WS / V subs = WS / (V pyc – V hex ) = WS / (V pyc – WH2 / δ Hex ) = WS / (V pyc – WH 2 * V pyc / WH1 ) Relative density (D204) is calculated as: δ subs / 0.999973
| 1st test | 2nd test | Media | ||||
| WP1 | 41.3399 | g | 42.3168 | g | ||
| WHP | 74.4049 | g | 75.3526 | g | ||
| WH1 | 33.065 | g | 33.0358 | g | ||
| δHex | 0.661 | g/cm^3 | 0.661 | g/cm^3 | 0.661 | g/cm^3 |
| Vol Pic | 50 | cm^3 | 50 | cm^3 | ||
| WP2 | 41.3396 | g | 42.3165 | g | ||
| WSP | 46.4549 | g | 47.4198 | g | ||
| WS | 5.1153 | g | 5.1033 | g | ||
| WSH | 35.5079 | g | 35.4857 | g | ||
| WH2 | 30.3926 | g | 30.3824 | g | ||
| Vhex | 45.9589 | cm^3 | 45.9841 | cm^3 | ||
| Vsubs | 4.0411 | cm^3 | 4.0159 | cm^3 | ||
| δsubs | 1.266 | g/cm^3 | 1.271 | g/cm^3 | 1.268 | g/cm^3 |
| Relative Density (δ20/4) | 1.268 | |||||
| Standard deviation | 0.0035 | |||||
| Relative standard deviation | 0.28 | |||||
Description of key information
Key value for chemical safety assessment
- Relative density at 20C:
- 1.268
Additional information
Relative density was determined by means of a pycnometer as per recommendations of OECD 109. Relative density was calculated from the difference in weight between the full and empty pycnometer and its volume and resulted 1.268.
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