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Solubility in organic solvents / fat solubility

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Reference
Endpoint:
solubility in organic solvents / fat solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
27.09.2012-16.10.2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Justification for type of information:
Experimental test result performed using standard test guidelines
Qualifier:
according to
Guideline:
other: Gravimetric method
Principles of method if other than guideline:
Weight of the chemical substance (fat) to dissolve in Organic Solvent to form a homogeneous solution of the solute in the solvent
GLP compliance:
not specified
Specific details on test material used for the study:
- Name of test material: Aluminium, 4,5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl)azo]-1H-pyrazole-3-carboxylic acid complex- IUPAC name: aluminum tris(4-{[3-carboxy-5-oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazol-4-yl]diazenyl}benzenesulfonate)- Molecular formula: C48H33AlN12O27S6- Molecular weight: 1429.19 g/mole- Smiles : C1=CC(=CC=C1N=NC2C(=NN(C2=O)C3=CC=C(C=C3)S(=O)(=O)O)C(=O)O)S(=O)(=O)[O-].C1=CC(=CC=C1N=NC2C(=NN(C2=O)C3=CC=C(C=C3)S(=O)(=O)O)C(=O)O)S(=O)(=O)[O-].C1=CC(=CC=C1N=NC2C(=NN(C2=O)C3=CC=C(C=C3)S(=O)(=O)O)C(=O)O)S(=O)(=O)[O-].[Al+3]- Inchl: 1S/3C16H12N4O9S2.Al/c3*21-15-13(18-17-9-1-5-11(6-2-9)30(24,25)26)14(16(22)23)19-20(15)10-3-7-12(8-4-10)31(27,28)29;/h3*1-8,13H,(H,22,23)(H,24,25,26)(H,27,28,29);/q;;;+3/p-3- Substance type: Organic- Physical state: Solid Red powder
Key result
Medium:
methanol
Solubility:
600 mg/L
Temp.:
28 °C
Remarks on result:
other: The substance is moderately soluble in methanol.
Conclusions:
The experimental value of solubility of aluminium, 4, 5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl) azo]-1H-pyrazole-3-carboxylic acid complex in methanol at 28 deg C was determined to be 600 mg/L indicating that the substance is moderately soluble in methanol.
Executive summary:

The experimental value of solubility of aluminium, 4, 5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl) azo]-1H-pyrazole-3-carboxylic acid complex in methanol at 28 deg C was determined to be 600 mg/L indicating that the substance is moderately soluble in methanol.

Description of key information

The experimental value of solubility of aluminium, 4, 5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl) azo]-1H-pyrazole-3-carboxylic acid complex in methanol at 28 deg C was determined to be 600 mg/L indicating that the substance is moderately soluble in methanol.

The experimental value of solubility of aluminium, 4, 5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl) azo]-1H-pyrazole-3-carboxylic acid complex in Petroleum ether at 28 deg C was determined to be 400 mg/L indicating that the substance is moderately soluble in Petroleum ether.

Key value for chemical safety assessment

At the temperature of:
28 °C
Solubility in organic solvents at 20°C:
600 mg/L

Additional information

The experimental value of solubility of aluminium, 4, 5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl) azo]-1H-pyrazole-3-carboxylic acid complex in methanol at 28 deg C was determined to be 600 mg/L indicating that the substance is moderately soluble in methanol.

The experimental value of solubility of aluminium, 4, 5-dihydro-5-oxo-1-(4-sulfophenyl)-4-[(4-sulfophenyl) azo]-1H-pyrazole-3-carboxylic acid complex in Petroleum ether at 28 deg C was determined to be 400 mg/L indicating that the substance is moderately soluble in Petroleum ether.