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EC number: 701-404-6 | CAS number: -
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- This study was conducted between 12 December 2016 and 23 June 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Information is derived from a reliable in-house study according to OECD TG 109 using the pycnometer method.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Version / remarks:
- 02 October 2012
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Version / remarks:
- EC No. 440/2008 of 30 May 2008
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- pycnometer method
- Specific details on test material used for the study:
- Identification: 4,4'-Isopropylidenediphenol, oligomeric reaction products with 1-chloro-2,3-epoxypropane, reaction products with diethylenetriamine
Appearance/Physical state: Yellow/brown extremely viscous liquid
Batch: Ei3041
Purity: 100% UVCB
Expiry date: 01 May 2021
Storage conditions: Room temperature in the dark
The test item was heated to a maximum of 80 °C to enable sampling for testing. - Key result
- Type:
- density
- Density:
- > 1 147 - < 1 149 kg/m³
- Temp.:
- 19 °C
- Key result
- Type:
- relative density
- Density:
- 1.15 other:
- Temp.:
- 19 °C
- Conclusions:
- The density of the test item was determined to be 1.15 x 103 kg/m3 at 19.0 ± 1.0 ºC. The corresponding relative density was calculated to be 1.15.
- Executive summary:
The general physico-chemical properties of 4,4'-Isopropylidenediphenol, oligomeric reaction products with 1-chloro-2,3-epoxypropane, reaction products with diethylenetriamine have been determined.
Density. 1.15x 103kg/m3at19.0 ± 1.0ºC, the corresponding relative density was calculated to be 1.15, using the gas pycnometer method, designed to be compatible with Method A.3 Relative Density of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 109 of the OECD Guidelines for Testing of Chemicals, 02 October 2012.
Reference
Results
Calibration
The pressure readings and the calculated volume for the reference and sample cells are shown in the following table:
Determination |
P1 (psig) |
P2 (psig) |
P3 (psig) |
P4 (psig) |
Reference Cell Volume (cm3) |
Sample Cell Volume (cm3) |
1 |
17.341 |
6.566 |
17.260 |
8.552 |
90.816 |
149.031 |
2 |
17.555 |
6.659 |
18.081 |
8.961 |
91.440 |
149.621 |
3 |
17.553 |
6.662 |
17.670 |
8.768 |
91.296 |
149.250 |
Mean reference cell
volume: 91.184
cm3
Mean sample cell volume: 149.301
cm3
Sample
The pressure readings and volumes obtained for the vessel and the vessel containing the test item are shown in the following table:
Determination |
Test |
Vessel |
Vessel and Test Item |
||||
P1(sample) |
P2(sample) |
Volume |
P3(sample) |
P4(sample) |
Volume |
||
1 |
A |
17.768 |
7.159 |
14.175 |
17.164 |
7.808 |
40.039 |
B |
18.634 |
7.505 |
14.086 |
17.579 |
8.001 |
40.145 |
|
C |
17.414 |
7.010 |
13.969 |
17.432 |
7.934 |
40.142 |
|
2 |
A |
As Determination 1 |
17.279 |
8.304 |
50.749 |
||
B |
17.953 |
8.632 |
50.839 |
||||
C |
17.460 |
8.393 |
50.795 |
||||
The calculated mean volumes and densities are shown in the following table:
Determination |
Mean Volume |
Mean Volume |
Volume of |
Density (kg/m3) |
1 |
14.077 |
40.109 |
26.032 |
1.149 x 103 |
2 |
50.794 |
36.718 |
1.147 x 103 |
Mean density: 1.15x 103kg/m3
Relative density: 1.15
Temperature: 19.0 ± 1.0 ºC
Discussion
Duplicate determinations were performed to ensure a reproducibility of less than ± 20 kg/m3was obtained.
The mass density of a substance varies with temperature and pressure and this variance is typically negligible for solids. Increasing the temperature of a substance may decrease its density by increasing the volume of that substance. Typical thermal expansion coefficients of solids are in the order of 10-5°C-1, and the volumetric expansion of stainless steel (used as calibration spheres) at 20 °C is approximately 5.2 x 10-5°C-1. Therefore, a change in temperature of several degrees will have no significant effect on the volume and hence the density of a solid substance.
Therefore, it was considered that the difference in temperature between 20.0 °C and normal laboratory conditions did not have a significant effect on the determined density, and therefore the calculated relative density.
Description of key information
Key value for chemical safety assessment
- Relative density at 20C:
- 1.15
Additional information
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