Registration Dossier
Registration Dossier
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EC number: 204-200-0 | CAS number: 117-61-3
pH
Administrative data
- Endpoint:
- pH
- 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: by pH meter
- Principles of method if other than guideline:
- Measured as negative log of Hydrogen Ion concentration using pH meter & appropriate Buffers of pH 4 & 9
- GLP compliance:
- no
Test material
- Reference substance name:
- Benzidine-2,2'-disulphonic acid
- EC Number:
- 204-200-0
- EC Name:
- Benzidine-2,2'-disulphonic acid
- Cas Number:
- 117-61-3
- Molecular formula:
- C12H12N2O6S2
- IUPAC Name:
- 4,4'-diamino-[1,1'-biphenyl]-2,2'-disulfonic acid
- Details on test material:
- - Name of test material: Benzidine-2,2’-disulphonic acid
- Molecular formula: C12H12N2O6S2
- Molecular weight: 344.369
Constituent 1
Results and discussion
pH value
- pH value:
- 3.07
- Temp.:
- 21 °C
- Concentration:
- 1 vol%
- Remarks on result:
- other: Acidic
Applicant's summary and conclusion
- Conclusions:
- The pH of 1% solution of benzidine-2,2'-disulphonic acid was found to be 3.07 at 21oC. Thus, it can be conlcuded that the chemical is acidic.
- Executive summary:
The pH of 1% solution of benzidine-2,2'-disulphonic acid was found to be 3.07 at 21oC. Thus, it can be conlcuded that the chemical is acidic.
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