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EC number: 229-539-1 | CAS number: 6598-63-6
Partition coefficient
Administrative data
Link to relevant study record(s)
- Endpoint:
- partition coefficient
- Type of information:
- calculation (if not (Q)SAR)
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- accepted calculation method
- Justification for type of information:
- Data is from computaional model developed by USEPA
- Qualifier:
- according to guideline
- Guideline:
- other: refer principle below
- Principles of method if other than guideline:
- To determine octanol water partition coefficent log Kow of test chemical trisodium 4-[(E)-2-{1-hydroxy-6-[({5-hydroxy-6-[(E)-2-phenyldiazen-1-yl]-7-sulfonatonaphthalen-2-yl}carbamoyl)amino]-3-sulfonatonaphthalen-2-yl}diazen-1-yl]benzoate .
- GLP compliance:
- not specified
- Type of method:
- other: estimated
- Partition coefficient type:
- octanol-water
- Specific details on test material used for the study:
- - Name of test material: Trisodium 4-[[1-hydroxy-6-[[[[5-hydroxy-6-(phenylazo)-7-sulphonato-2-naphthyl]amino]carbonyl]amino]-3-sulphonato-2-naphthyl]azo]benzoate
- IUPAC name: trisodium 4-[(E)-2-{1-hydroxy-6-[({5-hydroxy-6-[(E)-2-phenyldiazen-1-yl]-7-sulfonatonaphthalen-2-yl}carbamoyl)amino]-3-sulfonatonaphthalen-2-yl}diazen-1-yl]benzoate
- Molecular formula: C34H21N6Na3O11S2
- Molecular weight: 822.673 g/mole
- Smiles : c12c(cc(c(c2S(=O)(=O)[O-])\N=N\c2ccc(cc2)C(=O)[O-])O)cc(NC(=O)Nc2cc3cc(S(=O)(=O)[O-])c(\N=N\c4ccccc4)c(c3cc2)O)cc1.[Na+].[Na+].[Na+]
- Inchl: 1S/C34H24N6O11S2.3Na/c41-27-16-19-14-24(11-13-26(19)32(53(49,50)51)29(27)39-38-22-8-6-18(7-9-22)33(43)44)36-34(45)35-23-10-12-25-20(15-23)17-28(52(46,47)48)30(31(25)42)40-37-21-4-2-1-3-5-21;;;/h1-17,41-42H,(H,43,44)(H2,35,36,45)(H,46,47,48)(H,49,50,51);;;/q;3*+1/p-3/b39-38+,40-37+;;;
- Substance type: Organic
- Physical state: Solid - Key result
- Type:
- log Pow
- Partition coefficient:
- -0.95
- Temp.:
- 25 °C
- Remarks on result:
- other: other details not available
- Conclusions:
- The estimated log POW of the trisodium 4-[(E)-2-{1-hydroxy-6-[({5-hydroxy-6-[(E)-2-phenyldiazen-1-yl]-7-sulfonatonaphthalen-2-yl}carbamoyl)amino]-3-sulfonatonaphthalen-2-yl}diazen-1-yl]benzoate (CAS no. 6598-63-6) was -0.95
- Executive summary:
Octanol water partition coefficient of target chemical trisodium 4-[(E)-2-{1-hydroxy-6-[({5-hydroxy-6-[(E)-2-phenyldiazen-1-yl]-7-sulfonatonaphthalen-2-yl}carbamoyl)amino]-3-sulfonatonaphthalen-2-yl}diazen-1-yl]benzoate (CAS no. 6598 -63 -6) was estimated. The estimated log POW of the trisodium 4-[(E)-2-{1-hydroxy-6-[({5-hydroxy-6-[(E)-2-phenyldiazen-1-yl]-7-sulfonatonaphthalen-2-yl}carbamoyl)amino]-3-sulfonatonaphthalen-2-yl}diazen-1-yl]benzoate was -0.95 . On the basis of estimated value, the this test chemical can be considered as hydrophillic in nature.
Reference
Description of key information
Octanol water partition coefficient of target chemical trisodium 4-[(E)-2-{1-hydroxy-6-[({5-hydroxy-6-[(E)-2-phenyldiazen-1-yl]-7-sulfonatonaphthalen-2-yl}carbamoyl)amino]-3-sulfonatonaphthalen-2-yl}diazen-1-yl]benzoate (CAS no. 6598 -63 -6) was estimated. The estimated log POW of the trisodium 4-[(E)-2-{1-hydroxy-6-[({5-hydroxy-6-[(E)-2-phenyldiazen-1-yl]-7-sulfonatonaphthalen-2-yl}carbamoyl)amino]-3-sulfonatonaphthalen-2-yl}diazen-1-yl]benzoate was -0.95 . On the basis of estimated value, the this test chemical can be considered as hydrophillic in nature.
Key value for chemical safety assessment
- Log Kow (Log Pow):
- -0.95
- at the temperature of:
- 25 °C
Additional information
Octanol water partition coefficient of target chemical trisodium 4-[(E)-2-{1-hydroxy-6-[({5-hydroxy-6-[(E)-2-phenyldiazen-1-yl]-7-sulfonatonaphthalen-2-yl}carbamoyl)amino]-3-sulfonatonaphthalen-2-yl}diazen-1-yl]benzoate (CAS no. 6598 -63 -6) was estimated. The estimated log POW of the trisodium 4-[(E)-2-{1-hydroxy-6-[({5-hydroxy-6-[(E)-2-phenyldiazen-1-yl]-7-sulfonatonaphthalen-2-yl}carbamoyl)amino]-3-sulfonatonaphthalen-2-yl}diazen-1-yl]benzoate was -0.95 . On the basis of estimated value, the this test chemical can be considered as hydrophillic in nature.
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