Registration Dossier
Registration Dossier
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EC number: 253-981-4 | CAS number: 38517-37-2
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- 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)
- Deviations:
- no
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Deviations:
- no
- GLP compliance:
- not specified
- Type of method:
- pycnometer method
- Specific details on test material used for the study:
- No details
- Dynamic viscosity of test material:
- -
- Key result
- Type:
- relative density
- Density:
- 1.273 g/cm³
- Temp.:
- 20 °C
- Conclusions:
- Under the study conditions, the relative density of the substance was determined to be 1.3198 at 20°C.
- Executive summary:
A study was conducted to determine the relative density of the substance according to OECD Guideline 109. An empty and dry pycnometer was weighed. The test substance was then weighed into the pycnometer and covered with immersion liquid. Remaining air was removed by evacuation and the pycnometer was filled with immersion liquid and incubated for approximately 20 min at 20°C. Afterwards, the pycnometer was topped up to the mark, wiped and weighed. The difference of total weight and the weight of the pycnometer with test substance was the weight of the immersion liquid. The density of the used immersion liquid was then determined at 20°C. The pycnometer was filled with water, incubated at 20°C and weighed. This procedure was repeated for the immersion liquid. Under the study conditions, the relative density of the substance was determined to be 1.3198 at 20°C (Maas, 2016).
Reference
Results:
| Pycnometer No. | 601 | 604 | 605 |
| m pycnometer [g] | 37.1028 | 37.1660 | 35.3533 |
| m pycnometer + test item [g] | 47.0495 | 46.8200 | 45.3768 |
| m pycnometer + test item + immersion fluid [g] | 59.2261 | 59.3147 | 58.3757 |
m test item [g] |
9.9467 | 9.6540 | 10.0235 |
| m3 [g] | 12.1766 | 12.4947 | 12.9989 |
| m pycnometer + immersion liquid [g] | 54.9714 | 55.2224 | 54.0932 |
| m pycnometer + water (20°C) [g] | 60.6642 | 60.9669 | 60.0511 |
| m1 immersion fluid [g] | 17.8686 | 18.0654 | 18.7399 |
| m2 water (20°C) | 23.5614 | 23.8009 | 24.6978 |
| p (immersion liquid) [g/cm³] | 0.7574 | 0.7577 | 0.7578 |
| p (test item) [g/cm³] | 1.3227 | 1.3143 | 1.3222 |
| Relative Density D204 | 1.3227 | 1.3143 | 1.3222 |
| Average relative density D204 | 1.3198 | ||
Description of key information
The relative density was determined according to OECD Guideline 109 (Maas, 2016).
Key value for chemical safety assessment
- Relative density at 20C:
- 1.32
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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