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EC number: 224-924-0 | CAS number: 4553-89-3
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 08/10/2015 – 08/10/2015
- 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:
- other: Pour density and tapped density of powders” recommended in The International Pharmacopoeia, Fourth Edition, 2014
- Key result
- Type:
- pour density
- Density:
- 0.632 g/cm³
- Temp.:
- 30 °C
- Key result
- Type:
- tap density
- Density:
- 0.816 g/cm³
- Temp.:
- 30 °C
- Conclusions:
- The pour density and tapped density of disodium 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(azo)]bisnaphthalene-1-sulphonate (CAS No. 4553-89-3) were determined to be 0.6318 gm/cm3 and 0.8163 gm/cm3 at 29.9 °C and 975.2 hPa, respectively.
- Executive summary:
The density of test item disodium 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(azo)]bisnaphthalene-1-sulphonate (CAS No. 4553-89-3) was determined following OECD guideline OECD 109 according to pour and tap density method. The pour density and tapped density of the test item were determined to be 0.6318 gm/cm3 and 0.8163 gm/cm3 at 29.9 °C and 975.2 hPa, respectively.
Reference
Parameters |
Details |
Calculated Values (RESULT) |
Pour Density of test substance (g/cm3) |
= m |
0.6318 g/cm3 |
Tap density of test substance (g/cm3) |
= m |
0.8163 g/cm3 |
Description of key information
The pour density and tapped density of disodium 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(azo)]bisnaphthalene-1-sulphonate (CAS No. 4553-89-3) were determined to be 0.6318 gm/cm3 and 0.8163 gm/cm3 at 29.9 °C and 975.2 hPa, respectively.
Key value for chemical safety assessment
- Relative density at 20C:
- 0.816
Additional information
The density of test item disodium 4,4'-[[2,4-dihydroxy-5-(hydroxymethyl)-1,3-phenylene]bis(azo)]bisnaphthalene-1-sulphonate (CAS No. 4553-89-3) was determined following OECD guideline OECD 109 according to pour and tap density method. The pour density and tapped density of the test item were determined to be 0.6318 gm/cm3 and 0.8163 gm/cm3 at 29.9 °C and 975.2 hPa, respectively.
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