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EC number: 240-357-1 | CAS number: 16245-77-5
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- density
- Remarks:
- density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 15-03-2017 – 15-03-2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Justification for type of information:
- Experimental test result performed using standard OECD test guidelines
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Principles of method if other than guideline:
- The density is calculated from the difference in weight between the full and empty pycnometer and its volume
- GLP compliance:
- no
- Type of method:
- pycnometer method
- Specific details on test material used for the study:
- - Name of test material : Benzene-1,4-diammonium sulphate- IUPAC name: Benzene-1,4-diammonium sulphate- Molecular formula: C6 H8 N2.H2 O4 S- Molecular weight: 206.221 g/mol- Smiles notation: S(=O)(=O)(O)O.c1(ccc(cc1)N)N - InChl : 1S/C6H8N2.H2O4S/c7-5-1-2-6(8)4-3-5;1-5(2,3)4/h1-4H,7-8H2;(H2,1,2,3,4)- Substance type: organic- Physical state: Solid powder (off white)- Purity: NM
- Key result
- Type:
- density
- Density:
- 1.573 g/cm³
- Temp.:
- 20 °C
- Remarks on result:
- other: at 976.4 hPa pressure
- Conclusions:
- The mean density of Benzene-1,4-diammonium sulphate (CAS No. 16245-77-5) test item was determined to be 1.5731 g/cm³ at 20°C and 976.4 hPa.
- Executive summary:
The density of test item Benzene-1,4-diammonium sulphate (CAS No. 16245-77-5) was determined following OECD Guideline 109 and according to the Adapted from ASTM D854-02 using glass pyknometer. The mean density of test item was determined to be 1.5731 g/cm³ at 20°C and 976.4 hPa.
Reference
Method Details | Observations | Remarks if, any | ||
Guideline | OECD 109 | 1stReading | 2nd Reading |
|
|
| |||
Method | Adapted from ASTM 854-02 |
|
|
|
Principle of method | 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. |
|
|
|
Test temperature (°C) | - | 20oC | 20oC |
|
Atmospheric pressure (in hPa) | - | 975.8 | 977 |
|
Weight of empty dry pyknometer (Wp) |
| 29.257 | 30.728 |
|
Weight of pyknometer filled with water (WA) |
| 78.985 | 81.010 |
|
Weight of pyknometer + test Item (WPS) |
| 34.314 | 35.831 |
|
Weight of pyknometer +test Item+ water (WB) |
| 80.849 | 82.859 |
|
CALCULATIONS:
| Calculated values | |
1st Calculation | 2nd Calculation | |
Wo=WPS-WP |
5.0570 |
5.1030 |
(WA-WB) |
-1.8640 |
-1.8490 |
Specific gravity = WO/[WO+ (WA-WB)] | 1.5837 | 1.5682 |
Specific Gravity; Gs | 1.5837 | 1.5682 |
Density (g/cm³) | 1.5809 | 1.5654 |
Mean Density (g/cm³) | 1.5731 | |
Description of key information
The mean density of Benzene-1,4-diammonium sulphate (CAS No. 16245-77-5) test item was determined to be 1.5731 g/cm³ at 20°C and 976.4 hPa.
Key value for chemical safety assessment
- Relative density at 20C:
- 1.573
Additional information
The density of test item Benzene-1,4-diammonium sulphate (CAS No. 16245-77-5) was determined following OECD Guideline 109 and according to the Adapted from ASTM D854-02 using glass pyknometer. The mean density of test item was determined to be 1.5731 g/cm³ at 20°C and 976.4 hPa.
Other supporting data from authoritative database, also determined the density of chemical Benzene-1,4-diammonium sulphate as 1.548 g/cm3 at -173.16 degree C.
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