Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 204-975-5 | CAS number: 130-13-2
Dissociation constant
Administrative data
- Endpoint:
- dissociation constant
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 013
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:
- Sodium 4-aminonaphthalene-1-sulphonate
- EC Number:
- 204-975-5
- EC Name:
- Sodium 4-aminonaphthalene-1-sulphonate
- Cas Number:
- 130-13-2
- Molecular formula:
- C10H9NO3S.Na
- IUPAC Name:
- sodium 4-aminonaphthalene-1-sulfonate
- Test material form:
- solid: crystalline
- Details on test material:
- CAS number: 130-13-2
Chemical Name: sodium 4-aminonaphthalene-1-sulphonate
Molecular formula: C10H9NO3S.Na
Constituent 1
Results and discussion
- Dissociating properties:
- yes
Dissociation constant
- pKa:
- 0
- Temp.:
- 30 °C
- Remarks on result:
- other: 8.65 x 10-12
Applicant's summary and conclusion
- Conclusions:
- The dissociation constant of the chemical sodium 4-aminonaphthalene-1-sulphonate was found to be 0.000000000000865 at 30oC indicating dissociation properties
- Executive summary:
The dissociation constant of the chemical sodium 4-aminonaphthalene-1-sulphonate was found to be 0.000000000000865 at 30oC indicating dissociation properties
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
