Registration Dossier
Registration Dossier
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EC number: 612-411-8 | CAS number: 61813-75-0
Dissociation constant
Administrative data
- Endpoint:
- dissociation constant
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 15.06.2012 - 14.07.2012
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 011
- Report date:
- 2012
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other:
- Principles of method if other than guideline:
- Measurement of capacity of a compound to dissociate into respective ions.
- GLP compliance:
- no
Test material
- Reference substance name:
- disodium 4-{[4-(dimethylamino)phenyl][4-(methylamino)phenyl]methylidene}-N,N-dimethylcyclohexa-2,5-dien-1-iminium 3-{[ethyl({4-[(4-{ethyl[(3-sulfonatophenyl)methyl]amino}cyclohexa-2,5-dien-1-ylidene)(2-sulfonatophenyl)methyl]phenyl})amino]methyl}benzene-1-sulfonate
- Cas Number:
- 61813-75-0
- Molecular formula:
- C61H70N6S3O9
- IUPAC Name:
- disodium 4-{[4-(dimethylamino)phenyl][4-(methylamino)phenyl]methylidene}-N,N-dimethylcyclohexa-2,5-dien-1-iminium 3-{[ethyl({4-[(4-{ethyl[(3-sulfonatophenyl)methyl]amino}cyclohexa-2,5-dien-1-ylidene)(2-sulfonatophenyl)methyl]phenyl})amino]methyl}benzene-1-sulfonate
- Details on test material:
- - Name of test material (as cited in study report): solvent violet 43
- Substance type: Organic
- Physical state: solid
Constituent 1
Results and discussion
Dissociation constantopen allclose all
- No.:
- #1
- pKa:
- 0
- Temp.:
- 30 °C
- Remarks on result:
- other: pKa : 0.0000000104
- No.:
- #2
- pKa:
- 0
- Temp.:
- 30 °C
- Remarks on result:
- other: pKa : 0.000000011
- No.:
- #3
- pKa:
- 0
- Temp.:
- 30 °C
- Remarks on result:
- other: pKa : 0.0000000105
Applicant's summary and conclusion
- Conclusions:
- solvent violet 43 was found to be a weakly dissociating with the following pKa values at 30 degrees C:
pKa : 0.0000000104
pKa : 0.000000011
pKa : 0.0000000105 - Executive summary:
Solvent violet 43 was found to be a weakly dissociating with the following pKa values at 30 degrees C:
pKa : 0.0000000104
pKa : 0.000000011
pKa : 0.0000000105
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