Registration Dossier
Registration Dossier
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EC number: 232-304-6 | CAS number: 8002-26-4 A complex combination of tall oil rosin and fatty acids derived from acidulation of crude tall oil soap and including that which is further refined. Contains at least 10% rosin.
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2009-11-09 to 2010-02-26
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: The study was conducted according to OECD 109 test guideline, and in compliance with GLP.
- 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
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- pycnometer method
- Key result
- Type:
- relative density
- Density:
- 0.942 other: Unitless
- Temp.:
- 20 °C
- Conclusions:
- A relative density value of 0.942 at 20.0 ± 0.5ºC was determined in a reliable study conducted according to OECD 109, and in compliance with GLP.
Reference
Results of duplicate determinations of relative density are shown in the table 1:
Table 1: Relative Density Determination of Distilled Tall Oil
Measurement |
Determination |
|
1 |
2 |
|
Mass of pycnometer (g) |
12.6609 |
7.97423 |
Mass of pycnometer and distilled water at 20.0ºC (g) |
22.9330 |
17.8110 |
Mass of pycnometer and test material at 20.0ºC (g) |
22.3598 |
17.2613 |
Density of water at 20.0ºC (kg/m3) |
998.20 |
998.20 |
Density (kg/m3) |
942.50 |
942.42 |
Relative density |
0.943 |
0.942 |
Relative Density: 0.942
Temperature: 20.0 ± 0.5ºC
Description of key information
Relative Density: 0.942 at 20.0 ± 0.5ºC (OECD 109).
Key value for chemical safety assessment
- Relative density at 20C:
- 0.942
Additional information
A relative density value of 0.942 at 20.0 ± 0.5 ºC has been determined for DTO in a reliable study conducted in accordance to OECD 109. In other supporting peer review source, a relative density of 0.95 - 1.00 was reported for the test substance.
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