Registration Dossier
Registration Dossier
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EC number: 291-454-0 | CAS number: 90411-76-0
pH
Administrative data
- Endpoint:
- pH
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 01/2012
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 012
- Report date:
- 2012
Materials and methods
- Principles of method if other than guideline:
- pH measurement in aqueous solution
- GLP compliance:
- no
- Other quality assurance:
- ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Test material
- Reference substance name:
- Hydrochloric acid, reaction products with aniline and nitrobenzene, sulfonated, sodium salts
- EC Number:
- 291-454-0
- EC Name:
- Hydrochloric acid, reaction products with aniline and nitrobenzene, sulfonated, sodium salts
- Cas Number:
- 90411-76-0
- Molecular formula:
- Mixture of components, no definitve molecular formula existing.
- IUPAC Name:
- Complex mixture of phenazine dyes - IUPAC name not available
- Test material form:
- solid: particulate/powder
- Details on test material:
- - Purity: 80.6 % (according to the sponsor)
Constituent 1
Results and discussion
pH valueopen allclose all
- pH value:
- 10.3
- Remarks on result:
- other: 0.5 g substance in 49.51 g water at room temperature
- pH value:
- 10.4
- Remarks on result:
- other: 1.0 g substance in 9.01 g water at room temperature
Any other information on results incl. tables
The substance was stirred for 30 min at room temperature with a magnetic stirrer. The concentration ratio was once 1:99 and once 1:9 (substance / water).
Applicant's summary and conclusion
- Conclusions:
- The measured pH value of the substance at different concentrations in aqueous solution was in the range of 10.3 - 10.4.
- Executive summary:
The substance was stirred for 30 min at room temperature with a magnetic stirrer. The concentration ratios were 1:99 and 1:9 (substance / water). The pH value was in the range of 10.3 - 10.4 in the aqueous solution.
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.
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