Registration Dossier
Registration Dossier
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EC number: 240-589-3 | CAS number: 16521-38-3 This substance is identified in the Colour Index by Colour Index Constitution Number, C.I. 73015 aluminium salt.
pH
Administrative data
- Endpoint:
- pH
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 15/6/2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Experimental Result
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 016
- Report date:
- 2016
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: OECD 122
- Principles of method if other than guideline:
- The pH of an aqueous solution or dispersion in water is determined with a pH measurement interface equipped with an appropriate electrode system.
- GLP compliance:
- no
Test material
- Reference substance name:
- Aluminium, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic acid complex
- EC Number:
- 240-589-3
- EC Name:
- Aluminium, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic acid complex
- Cas Number:
- 16521-38-3
- Molecular formula:
- C16H10AlN2O8S2
- IUPAC Name:
- aluminium, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic acid complex
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- CAS No.: 16521-38-3Name of the chemical: Aluminium, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic acid complexNature of chemical: Organic
Constituent 1
Results and discussion
pH value
- pH value:
- 4.36
- Temp.:
- 36 °C
- Concentration:
- 1 vol%
- Remarks on result:
- other: acidic
Applicant's summary and conclusion
- Conclusions:
- The pH determination of test item Aluminium, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic acid complex (CAS No. 16521-38-3) was done following OECD guideline 122. pH of 1% w/v dispersion was measured with the help of pH meter and it was observed to be 4.36 at 36 °C.
- Executive summary:
The pH determination of test itemAluminium, 2-(1,3-dihydro-3-oxo-5-sulfo-2H-indol-2-ylidene)-2,3-dihydro-3-oxo-1H-indole-5-sulfonic acid complex(CAS No. 16521-38-3) was done following OECD guideline 122. pH of 1% w/vdispersionwas measured with the help of pH meter and it was observed to be4.36 at 36 °C.
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