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EC number: 238-953-1 | CAS number: 14882-18-9
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 7 October 2011
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study conducted in accordance with OECD and EU guidelines.
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- other: gas comparison pycnometer
- Type:
- relative density
- Density:
- 3.05
- Temp.:
- 23.5 °C
- Conclusions:
- The relative density of bismuth subsalicylate at ambient temperature (compared to water at 4 °C) is D4R = 3.05. The ambient temperature was determined to be 23.5 °C. According to the European Commission Regulation (EC) No. 440/2008, A.3., solids can be measured at ambient temperature (20 - 25 °C).
- Executive summary:
The purpose of this study was the determination of the relative density of the test item according to the European Commission Regulation (EC) No. 440/2008, Part A: Methods for the determination of physico-chemical properties. A.3. Relative Density: method: Gas comparison pycnometer and OECD test guideline, OECD 109 (1995) Density of liquids and solids and DIN 66137-2 (2004): Determination of solid state density, Part 2: Gas pycnometry.
The relative density of bismuth subsalicylate at ambient temperature (compared to water at 4 °C) is D4R = 3.05. The ambient temperature was determined to be 23.5 °C. According to the European Commission Regulation (EC) No. 440/2008, A.3., solids can be measured at ambient temperature (20 - 25 °C).
Reference
Two test series with different weights were performed at ambient temperature (23.5 °C).
1st run:
Weight 5.9785 g |
p1 / psi |
p2 / psi |
Volume / cm3 |
Density PPR/ g / cm3 |
1. measurement |
19.556 |
12.172 |
1.9630 |
3.0456 |
2. measurement |
19.563 |
12.177 |
1.9582 |
3.0531 |
3. measurement |
19.614 |
12.208 |
1.9637 |
3.0444 |
Mean |
|
|
1.9616 |
3.0477 |
2nd run:
Weight 7.5280 g |
p1 / psi |
p2 / psi |
Volume / cm3 |
Density PPR/ g / cm3 |
1. measurement |
19.603 |
12.133 |
2.4666 |
3.0520 |
2. measurement |
19.523 |
12.084 |
2.4628 |
3.0566 |
3. measurement |
19.614 |
12.141 |
2.4579 |
3.0628 |
Mean |
|
|
2.4625 |
3.0571 |
Mean density PPR for the two test series: 3.0524 g/cm3
Relative density (compared to water at 4 °C) D4R = PPR/PW4 = 3.052g/cm3/1.000g/cm3= 3.05
Description of key information
The relative density of bismuth subsalicylate is 3.05.
Key value for chemical safety assessment
- Relative density at 20C:
- 3.05
Additional information
The relative density of bismuth subsalicylate at ambient temperature (compared to water at 4 °C) is D4R = 3.05. The ambient temperature was determined to be 23.5 °C. According to the European Commission Regulation (EC) No. 440/2008, A.3., solids can be measured at ambient temperature (20 - 25 °C).
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