Registration Dossier
Registration Dossier
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EC number: 265-025-3 | CAS number: 64704-23-0
Water solubility
Administrative data
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 07 Feb 2018 - 08 Feb 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 018
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.6 (Water Solubility)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 105 (Water Solubility)
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7840 (Water Solubility)
- GLP compliance:
- no
- Type of method:
- flask method
Test material
- Reference substance name:
- Disodium L-cystinate
- EC Number:
- 265-025-3
- EC Name:
- Disodium L-cystinate
- Cas Number:
- 64704-23-0
- Molecular formula:
- C6H10N2Na2O4S2.H2O
- IUPAC Name:
- disodium (2R)-2-amino-3-{[(2R)-2-amino-2-carboxyethyl]disulfanyl}propanoate
- Test material form:
- solid: particulate/powder
Constituent 1
Results and discussion
Water solubility
- Key result
- Water solubility:
- > 0.001 g/L
- Conc. based on:
- test mat.
- Temp.:
- 20 °C
- pH:
- ca. 11.3
Applicant's summary and conclusion
- Conclusions:
- Using the flask method, after the stirring period, the test sample was clear and no undissolved test item was observed. It was concluded that the water solubility of Disodium L-cystinate at 20°C was > 1 x 103 g/L. The pH of the aqueous sample was 11.3. The water solubility was found to be >1000 g/L.
- Executive summary:
Using the flask method, after the stirring period, the test sample was clear and no undissolved test item was observed. It was concluded that the water solubility of Disodium L-cystinate at 20°C was > 1 x 103g/L. The pH of the aqueous sample was 11.3. The water solubility was found to be >1000 g/L.
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