Aluminium, 6-hydroxy-5-[(4-sulfophenyl)azo]-2-naphthalenesulfonic acid complex

Density

Link to relevant study record(s)

Reference

Endpoint:

density, other

Remarks:

density

Type of information:

experimental study

Adequacy of study:

key study

Study period:

18-03-2017 – 18-03-2017

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

Guideline:

OECD Guideline 109 (Density of Liquids and Solids)

Principles of method if other than guideline:

The density of test item Aluminium, 6-hydroxy-5-[(4-sulfophenyl)azo]-2-naphthalenesulfonic acid complex (CAS No. 15790-07-5)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 : aluminium, 6-hydroxy-5-[(4-sulfophenyl)azo]-2-naphthalenesulfonic acid complex
- Molecular formula : C16H9AlN2O7S2
- Molecular weight : 432.368 g/mol
- Smiles notation : c12c(cc(S(=O)(=O)[O-])cc2)ccc(c1\N=N\c1ccc(S(=O)(=O)[O-])cc1)[O-].[Al+3]
- InChl : 1S/C16H12N2O7S2.Al/c19-15-8-1-10-9-13(27(23,24)25)6-7-14(10)16(15)18-17-11-2-4-12(5-3-11)26(20,21)22;/h1-9,19H,(H,20,21,22)(H,23,24,25);/q;+3/p-3/b18-17+;
- Substance type: Organic
- Physical state: Solid

Key result

Type:

pour density

Density:

0.274 g/cm³

Temp.:

26.5 °C

Remarks on result:

other: At pressure 975.5 hPa.

Key result

Type:

tap density

Density:

0.357 g/cm³

Temp.:

26.5 °C

Remarks on result:

other: At pressure 975.5 hPa.

Conclusions:

The density of test item Aluminium, 6-hydroxy-5-[(4-sulfophenyl)azo]-2-naphthalenesulfonic acid complex (CAS No. 15790-07-5)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 is determine to be 0.2740 g/cm³ and 0.3575 g/cm³at 26.5°C and 975.5 hPa.

Executive summary:

The density of Test item Aluminium, 6-hydroxy-5-[(4- sulfophenyl)azo]-2-naphthalenesulfonic acid complex (CAS No. 15790-07-5 ) 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 determine to be 0.2740 g/cm³ and 0.3575 g/cm³at 26.5°C and 975.5 hPa.

Description of key information

The density of test item Aluminium, 6 -hydroxy-5 -[(4 -sulfophenyl)azo]-2 -naphthalenesulfonic acid complex (CAS No. 15790 -07 -5)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 is determine to be 0.2740 g/cm³ and 0.3575 g/cm³at 26.5°C and 975.5 hPa.

Key value for chemical safety assessment

Relative density at 20C:

0.274

Additional information

The density of test item Aluminium, 6-hydroxy-5-[(4-sulfophenyl)azo]-2-naphthalenesulfonic acid complex (CAS No. 15790-07-5)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 is determine to be 0.2740 g/cm³ and 0.3575 g/cm³at 26.5°C and 975.5 hPa.

From other reliable study it is concluded that bulk density of aluminium, 6-hydroxy-5-[(4-sulfophenyl)azo]-2-naphthalenesulfonic acid complex by the mass by volume method was determine to be0.383 g/cm³at room temperature of 21 °C .