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Density

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Reference
Endpoint:
density, other
Remarks:
density
Type of information:
experimental study
Adequacy of study:
key study
Study period:
17-01-2018 – 17-01-2018
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 Calcium 3-hydroxy-4-[(4-methyl-2- sulphonatophenyl)azo]-2-naphthoate (CAS No. 5281-04-9 ) was determined following OECDguideline 109 and according to the method adapted from ASTM D 854-02.
GLP compliance:
no
Type of method:
pycnometer method
Specific details on test material used for the study:
- Name of test material : 2-Naphthalenecarboxylic acid, 3-hydroxy-4-[(4-methyl-2-sulfophenyl)azo]-, calcium salt- Molecular formula : C18H14N2O6S.Ca- Molecular weight : 424.445 g/mole- Smiles notation : c12c(c(c(C(=O)[O-])cc1cccc2)O)\N=N\c1c(cc(C)cc1)S(=O)(=O)[O-].[Ca+2]- InChl : 1S/C18H14N2O6S.Ca/c1-10-6-7-14(15(8-10)27(24,25)26)19-20-16-12-5-3-2-4-11(12)9-13(17(16)21)18(22)23;/h2-9,21H,1H3, (H,22,23)(H,24,25,26);/q;+2/p-2/b20-19+;- Substance type: Organic - Physical state: Solid - Analytical purity: 87%- Impurities (identity and concentrations): 13%
Key result
Type:
density
Density:
0.352 g/cm³
Temp.:
20 °C
Remarks on result:
other: At pressure 976.8 hPa
Conclusions:
The density of test item Calcium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2- naphthoate (CAS No. 5281-04-9)was determined following OECD Guideline 109 and according to the method Adapted from ASTM D854- 02 using glass pyknometer. The mean density of test item was determine to be 0.3518 g/cm³at 20 °C and 976.8 hPa..
Executive summary:

The density of Test item Calcium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate (CAS No. 5281-04- 9 ) was determined following OECD guideline 109 and according to the method adapted from ASTM D 854-02. The mean density of the test item was determine to be 0.3518 g/cm³at 20 °C and 976.8 hPa.

Description of key information

The density of Test item Calcium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate (CAS No. 5281-04- 9 ) was determined following OECD guideline 109 and according to the method adapted from ASTM D 854-02. The mean density of the test item was determine to be 0.3518 g/cm³at 20 °C and 976.8 hPa.

Key value for chemical safety assessment

Relative density at 20C:
0.352

Additional information

The density of Test item Calcium 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]-2-naphthoate (CAS No. 5281-04- 9 ) was determined following OECD guideline 109 and according to the method adapted from ASTM D 854-02. The mean density of the test item was determine to be 0.3518 g/cm³at 20 °C and 976.8 hPa.