Registration Dossier
Registration Dossier
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EC number: 243-735-4 | CAS number: 20324-87-2
pH
Administrative data
- Endpoint:
- pH
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Study period:
- 21 November 2007
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study without detailed documentation
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 007
- Report date:
- 2007
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 122 (Determination of pH, Acidity and Alkalinity)
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Disodium 7,7'-(carbonyldiimino)bis(4-hydroxynaphthalene-2-sulphonate)
- EC Number:
- 243-735-4
- EC Name:
- Disodium 7,7'-(carbonyldiimino)bis(4-hydroxynaphthalene-2-sulphonate)
- Cas Number:
- 20324-87-2
- Molecular formula:
- C21H16N2O9S2.2Na
- IUPAC Name:
- disodium 7,7'-(carbonyldiimino)bis(4-hydroxynaphthalene-2-sulphonate)
- Test material form:
- solid
- Details on test material:
- Disodium-7,7'-(arbonyldiimino)bis(4-hydroxynaphthalene-2-sulphonate)
CAS 20324-87-2
Constituent 1
Results and discussion
pH value
- Key result
- pH value:
- 5.8
Applicant's summary and conclusion
- Conclusions:
- The pH of Disodium-7,7'-(arbonyldiimino)bis(4-hydroxynaphthalene-2-sulphonate) is 5.8
- Executive summary:
The pH of Disodium-7,7'-(arbonyldiimino)bis(4-hydroxynaphthalene-2-sulphonate) is 5.8.
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