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Density

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Reference
Endpoint:
density, other
Type of information:
experimental study
Adequacy of study:
key study
Study period:
14-07-2017 – 14-07-2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Experimental test result performed using standard test guidelines
Qualifier:
according to
Guideline:
OECD Guideline 109 (Density of Liquids and Solids)
Principles of method if other than guideline:
The density of test item Sodium naphthalene-1-sulphonate (CAS No. 130-14-3)was determined following OECD Guideline 109 and according to the Test methods: Pour density and tapped density of powders” recommended in The International Pharmacopoeia, Fourth Edition, 2014 using bulk density apparatus.
GLP compliance:
no
Type of method:
pour and tap (for solids)
Specific details on test material used for the study:
- Name of test material: sodium naphthalene-1-sulfonate
- Molecular formula: C10H7NaO3S
- Molecular weight: 230.218 g/mol
- Smiles notation: c12c(S(=O)(=O)[O-])cccc1cccc2.[Na+]
- InChl: 1S/C10H8O3S.Na/c11-14(12,13)10-7-3-5-8-4-1-2-6-9(8)10;/h1-7H,(H,11,12,13);/q;+1/p-1
- Substance type: Organic
- Physical state: Solid
Key result
Type:
pour density
Density:
0.516 g/cm³
Temp.:
25 °C
Remarks on result:
other: No other detail available
Key result
Type:
tap density
Density:
0.649 g/cm³
Temp.:
25 °C
Remarks on result:
other: No other detail available

FOR SOLIDS:

By Pour Density and Tapped Density Method:

 Parameters Details 

  Calculated values

1st

Calculation

2nd

Calculation

 

Average

Density

 

Pour Density of test Item

(g/cm³)

 

= m/

V

 
 0.5289  0.5025
 0.5157
 

Tap density of test Item

(g/cm³)

= m/

V1

 
 0.6700  0.6281
 0.6490
Conclusions:
The density of test item Sodium naphthalene-1-sulphonate (CAS No. 130-14-3)was determined following OECD Guideline 109 and according to the Test methods: Pour density and tapped density of powders” recommended in The International Pharmacopoeia, Fourth Edition, 2014 using bulk density apparatus. The mean pour density and tapped density of test item was observed to be 0.5157 g/cm³ and 0.6490 g/cm³at 25 °C and 966.1 hPa.
Executive summary:

The density of Test item Sodium naphthalene-1-sulphonate (CAS No. 130-14-3 ) was determined following OECD guideline 109 and according to the method recommended in the International Pharmacopoeia, fourth Edition, 2014. The mean pour density and tapped density of the test item was observed to be 0.5157 g/cm³ and 0.6490 g/cm³at 25 °C and 966.1 hPa.

Description of key information

The density of test item Sodium naphthalene-1-sulphonate (CAS No. 130-14-3)was determined following OECD Guideline 109 and according to the Test methods: Pour density and tapped density of powders” recommended in The International Pharmacopoeia, Fourth Edition, 2014 using bulk density apparatus. The mean pour density and tapped density of test item was observed to be 0.5157 g/cm³ and 0.6490 g/cm³at 25 °C and 966.1 hPa.

Key value for chemical safety assessment

Relative density at 20C:
0.516

Additional information

The density of Test item Sodium naphthalene-1-sulphonate (CAS No. 130-14-3 ) was determined following OECD guideline 109 and according to the method recommended in the International Pharmacopoeia, fourth Edition, 2014. The mean pour density and tapped density of the test item was observed to be 0.5157 g/cm³ and 0.6490 g/cm³at 25 °C and 966.1 hPa