Registration Dossier
Registration Dossier
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EC number: 220-266-3 | CAS number: 2695-37-6
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- tap density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with national standard methods with acceptable restrictions
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- other: Pour and tap (solid)
- Key result
- Type:
- tap density
- Density:
- >= 0.84 - <= 0.85 g/cm³
- Temp.:
- 26.6 °C
- Conclusions:
- The tap densicity of Sodium p-styrenesulfonate was determined according to OECD 109.
The average tap densicity was 0.845 g/cm3 and standard derivation was 0.005. - Executive summary:
The density of sodium p-styrenesulfonate was determined by pour and tap (solid) method (OECD 109).
The result was 0.845 +/-0.005 at 26 degree C.
Reference
Measurement conditions:
Temperature 26.6oC, Humidity 27.6 %
Cylinder volume: 20.3 cm3
Results
Run |
Blank g |
Gross g |
Net g |
Density g/cm3 |
|||
Bulk g |
Tap g |
Bulk g |
Tap g |
Bulk |
Tap |
||
1 |
312.06 |
325.21 |
329.16 |
13.15 |
17.10 |
0.648 |
0.842 |
2 |
312.09 |
324.84 |
329.35 |
12.75 |
17.26 |
0.628 |
0.850 |
3 |
312.09 |
324.51 |
329.15 |
12.42 |
17.06 |
0.612 |
0.840 |
4 |
312.10 |
324.51 |
329.20 |
12.41 |
17.10 |
0.611 |
0.842 |
5 |
312.12 |
324.74 |
329.38 |
12.62 |
17.26 |
0.622 |
0.850 |
average |
|
|
|
12.67 |
17.16 |
0.624 |
0.845 |
Standard derivation |
|
|
|
0.304 |
0.096 |
0.015 |
0.005 |
CV % |
|
|
|
|
|
2.40 |
0.56 |
Description of key information
Tap density was determined according to OECD Guideline 109.
Tap density of Sodium p-styrenesulfonate was 0.845 g/cm3
Key value for chemical safety assessment
- Relative density at 20C:
- 0.845
Additional information
The density of sodium p-styrenesulfonate was determined according to OECD Guideline for testing of chemicals, density of liquids and solids.
The tap density of sodium p-styrenesulfonate was 0.845 +/-0.005.
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