Registration Dossier
Registration Dossier
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EC number: 200-158-2 | CAS number: 52-90-4
Hydrolysis
Administrative data
- Endpoint:
- hydrolysis
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: Data from handbook or collection of data
Data source
Reference
- Reference Type:
- publication
- Title:
- Data for Biochemical Research
- Author:
- Dawson, R. M. C., et al.
- Year:
- 1 986
- Bibliographic source:
- 3rd ed., Oxford University Press, pp. 12-13
Materials and methods
Test material
- Reference substance name:
- L-cysteine
- EC Number:
- 200-158-2
- EC Name:
- L-cysteine
- Cas Number:
- 52-90-4
- Molecular formula:
- C3H7NO2S
- IUPAC Name:
- L-cysteine
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- - Name of test material (as cited in study report): Cysteine
- Molecular formula (if other than submission substance): HS-CH2-CH(NH2)-COOH
- Molecular weight (if other than submission substance): 121.2
- Physical state: cryst. powder
Constituent 1
- Specific details on test material used for the study:
- Details on properties of test surrogate or analogue material (migrated information):
PHYSICO-CHEMICAL PROPERTIES
- pKa: 1.92 (at 25°C)
- Melting Point: 240°
Results and discussion
- Details on hydrolysis and appearance of transformation product(s):
- Solubility:
very soluble in H2O, EtOH
soluble in glacial acetic, NH4OH
insoluble eth, acetic
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
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