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Partition coefficient

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Reference
Endpoint:
partition coefficient
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Justification for type of information:
Data is from handbooks and authoritative databases
Reference:
Composition 0
Composition 0
Composition 0
Composition 0
Composition 0
Qualifier:
according to
Guideline:
other: as mentioned below
Principles of method if other than guideline:
Estimation of octanol water partition coefficient of the test substance 1-[(2,4-dimethylphenyl)diazenyl]-2-naphthol.
GLP compliance:
not specified
Type of method:
other: no data
Partition coefficient type:
octanol-water
Test material information:
Composition 1
Specific details on test material used for the study:
- Name of test material: 1-[(2,4-dimethylphenyl)diazenyl]-2-naphthol
- Common name: Sudan II
- Molecular formula: C18H16N2O
- Molecular weight: 276.337 g/mol
- Smiles notation: c12c(\N=N/c3c(cc(C)cc3)C)c(ccc1cccc2)O
- InChl:1S/C18H16N2O/c1-12-7-9-16(13(2)11-12)19-20-18-15-6-4-3-5-14(15)8-10-17(18)21/h3-11,21H,1-2H3
- Substance type: Organic
- Physical state: Solid
Key result
Type:
log Pow
Partition coefficient:
6.6
Remarks on result:
other: Other details not known
Details on results:
The LogPow of the test chemical 1-[(2,4-dimethylphenyl)diazenyl]-2-naphthol was estimated to be 6.6.
Conclusions:
The partition coefficient (log Pow) value of the substance 1-[(2,4-dimethylphenyl)diazenyl]-2-naphthol was estimated to be 6.60.
Executive summary:

Based on the available data from authoritative databases and handbook, the partition coefficient (log Pow) value of the substance 1 -[(2,4-dimethylphenyl)diazenyl]-2-naphthol was estimated to be 6.60. On the basis of the estimated value, chemical 1 -[(2,4 -dimethylphenyl) diazenyl]-2 -naphthol can be considered hydrophobic in nature which is supported by its water solubility value.

Description of key information

Based on the available data from authoritative databases and handbook, the partition coefficient (log Pow) value of the substance 1-[(2,4-dimethylphenyl)diazenyl]-2-naphthol was estimated to be 6.60. On the basis of the estimated value, chemical 1 -[(2,4 -dimethylphenyl) diazenyl]-2 -naphthol can be considered hydrophobic in nature.

Key value for chemical safety assessment

Log Kow (Log Pow):
6.6

Additional information

Based on the available data from authoritative databases and handbook, the partition coefficient (log Pow) value of the substance 1 -[(2,4-dimethylphenyl)diazenyl]-2-naphthol was estimated to be 6.60. On the basis of the estimated value, chemical 1 -[(2,4 -dimethylphenyl)diazenyl]-2-naphthol can be considered hydrophobic in nature which is supported by its water solubility value.