Registration Dossier
Registration Dossier
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EC number: 223-927-4 | CAS number: 4124-42-9
Water solubility
Administrative data
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Data source
Reference
- Reference Type:
- publication
- Title:
- Crystal growth, structural, optical and dielectric studies of ammonium p-toluenesulfonate
- Author:
- Peramaiyan G, Mohan Kumar R & Bhagavannarayana G
- Year:
- 2 014
- Bibliographic source:
- Journal of Crystal Growth. 408: 14-18
- Report date:
- 2014
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- The solubility of ammonium p-toluenesulfonate was assessed using water solvent at different temperatures ranging from 30 1C to 45 1C. The amount of AMPTS required to make the saturated solution at different temperatures was estimated gravimetrically.
- GLP compliance:
- no
- Type of method:
- other: Not stated
Test material
- Reference substance name:
- Ammonium toluene-4-sulphonate
- EC Number:
- 223-927-4
- EC Name:
- Ammonium toluene-4-sulphonate
- Cas Number:
- 4124-42-9
- Molecular formula:
- C7H8O3S.H3N
- IUPAC Name:
- ammonium 4-methylbenzenesulfonate
Constituent 1
Results and discussion
Water solubility
- Key result
- Water solubility:
- 130 g/L
- Conc. based on:
- test mat.
- Temp.:
- 30 °C
- pH:
- 3.2
- Details on results:
- From the solubility study, it was found that the test substance exhibits positive solubility gradient in water solvent. At 50 °C, the water solubility was approximately 400 g/L.
Applicant's summary and conclusion
- Conclusions:
- This substance has a water solubility of 130 g/L at 30 °C.
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