Registration Dossier
Registration Dossier
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EC number: 250-792-9 | CAS number: 31765-95-4
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Version / remarks:
- Published in O.J. L 142 (2008)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- pycnometer method
- Specific details on test material used for the study:
- Name: Saturn Grey LCGCAS: 31765-95-4Batch No.: 8010/2008Appearance: black powderStorage: dark dry room, closed container, at laboratory temperatureExpiration date: February 2018
- Key result
- Type:
- relative density
- Density:
- 1.68
- Temp.:
- 20 °C
- Conclusions:
- Relative density of the test substance, Direct Black 112, is 1.680.
- Executive summary:
Relative density of the Direct Black 112 was measured using pycnometer method. The procedure was performed according to the Method A.3, Relative density (Council Regulation (EC) No. 440/2008, published in O.J. L142, 2008).
Relative density of the test substance, Direct Black 112, is 1.680.
Reference
Table No. 1: Measured values
Parameter | 1stdetermination | 2nddetermination | Average |
Weight of empty pycnometer | 19.45183 | 18.08077 |
|
Weight of pycnometer with test substance | 34.82631 | 34.54459 |
|
Weight of solid test substance | 15.37448 | 16.46382 |
|
Weight of pycnometer with sample and n-heptane | 36.70064 | 35.57470 |
|
Weight of pycnometer with n-heptane | 36.71453 | 35.52423 |
|
Density of n-heptane | 0.68238 | 0.68484 | 0.6836 |
Density of solid substance | 1.6960 | 1.6643 | 1.6802 |
Relative density of solid substance | - | - | 1.6802 |
Description of key information
Relative density of the test substance, Direct Black 112, is 1.680.
Key value for chemical safety assessment
- Relative density at 20C:
- 1.68
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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