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EC number: 201-627-4 | CAS number: 85-73-4
pH
Administrative data
- Endpoint:
- pH
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 27.09.2012 to 16.10.2012
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 012
- Report date:
- 2012
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:
- Phthalylsulfathiazole
- EC Number:
- 201-627-4
- EC Name:
- Phthalylsulfathiazole
- Cas Number:
- 85-73-4
- Molecular formula:
- C17H13N3O5S2
- IUPAC Name:
- 2-({4-[(1,3-thiazol-2-yl)sulfamoyl]phenyl}carbamoyl)benzoic acid
- Test material form:
- other: amorphous
- Details on test material:
- - Name of test material : phthalylsulfathiazole
- Molecular formula : C17H13N3O5S2
- Substance type: Organic
- Physical state: Solid
Constituent 1
Results and discussion
pH value
- pH value:
- 3.54
- Temp.:
- 26 °C
- Concentration:
- 1 vol%
- Remarks on result:
- other: relatively acidic
Applicant's summary and conclusion
- Conclusions:
- 1% by volume solution of phthalylsulfathiazole was found to exhibit a pH of 3.54 at 26 degC. Thus 1% by volume solution of phthalylsulfathiazole is relatively acidic in nature.
- Executive summary:
1% by volume solution of phthalylsulfathiazole was found to exhibit a pH of 3.54 at 26 degC. Thus 1% by volume solution of phthalylsulfathiazole is relatively acidic in nature.
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