Registration Dossier
Registration Dossier
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EC number: 217-752-2 | CAS number: 1948-33-0
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- density, other
- Remarks:
- density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 10-04-2018 – 10-04-2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Justification for type of information:
- Data is from experimental study report
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Qualifier:
- according to guideline
- Guideline:
- other: ASTM D 854-02.
- Principles of method if other than guideline:
- The density of test item is determined by using pyknometer. It is the ratio of mass of the unit volume of test item at a stated temperature to mass of the same volume of gas free distilled water at a stated temperature.
- GLP compliance:
- no
- Type of method:
- pycnometer method
- Specific details on test material used for the study:
- - Name of test material: 2-tert-butylbenzene-1,4-diol
- Molecular formula: C10H14O2
- Molecular weight: 166.219 g/mol
- Smiles notation: Oc1c(cc(O)cc1)C(C)(C)C
- InChl: 1/C10H14O2/c1-10(2,3)8-6-7(11)4-5-9(8)12/h4-6,11-12H,1-3H3
- Substance type: organic
- Physical state:solid - Key result
- Type:
- density
- Density:
- 0.785 g/cm³
- Temp.:
- 20 °C
- Remarks on result:
- other: PRESSURE: 980.9 hPa.
- Conclusions:
- The mean density of 2-tert-butylhydroquinone (CAS No. 1948-33-0) was found to be 0.7854 g/cm³ at 20°C and 980.9 hPa. .
- Executive summary:
The density of Test item 2-tert-butylhydroquinone (CAS No. 1948- 33-0 ) was determined following OECD guideline 109 and according to the method adapted from ASTM D 854-02. The mean density of the test item was found to be 0.7854 g/cm³at 20°C and 980.9 hPa.
Reference
Calculated values |
||
| 1st Calculation | 2nd Calculation | |
| Wo=WPS-WP | 5.1870 | 4.7070 |
| (WA-WB) | 0.6840 | 2.1110 |
| Specific Gravity = WO/[WO + (WA-WB)] | 0.8834 | 0.6903 |
| Specific Gravity; Gs | 0.8834 | 0.6903 |
| Density (g/cm³) | 0.8818 | 0.6890 |
| Mean Density (g/cm³) | 0.7854 | |
Description of key information
The density of Test item 2-tert-butylhydroquinone (CAS No. 1948- 33-0 ) was determined following OECD guideline 109 and according to the method adapted from ASTM D 854-02. The mean density of the test item was found to be 0.7854 g/cm³at 20°C and 980.9 hPa.
Key value for chemical safety assessment
- Relative density at 20C:
- 0.785
Additional information
The density of Test item 2-tert-butylhydroquinone (CAS No. 1948- 33-0 ) was determined following OECD guideline 109 and according to the method adapted from ASTM D 854-02. The mean density of the test item was found to be 0.7854 g/cm³at 20°C and 980.9 hPa.
From other experimental reports, the bulk density of 2-tert-butylhydroquinone is determined to be 0.806 g/cm³ at 30°C.
Also from other reliable sources, density of 2-tert-butylhydroquinone is observed to be 1.05 g/cm³ at 20°C
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