Registration Dossier
Registration Dossier
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EC number: 241-164-5 | CAS number: 17095-24-8
Hydrolysis
Administrative data
- Endpoint:
- hydrolysis
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1989
- 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:
- 2 000
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 111 (Hydrolysis as a Function of pH)
- GLP compliance:
- yes
Test material
- Reference substance name:
- Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
- EC Number:
- 241-164-5
- EC Name:
- Tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2,7-disulphonate
- Cas Number:
- 17095-24-8
- Molecular formula:
- C26H25N5O19S6.4Na
- IUPAC Name:
- tetrasodium 4-amino-5-hydroxy-3,6-bis[(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate
- Test material form:
- solid: particulate/powder
Constituent 1
Results and discussion
- Preliminary study:
- preliminary test not performed
- Transformation products:
- not measured
Dissipation DT50 of parent compound
- pH:
- 7
- Temp.:
- 25 °C
- DT50:
- ca. 1.9 d
- Type:
- (pseudo-)first order (= half-life)
- Remarks on result:
- not measured/tested
- Details on results:
- At pH 1.2 (37 °C) the substance is in the sense of the guideline
(t1/2: >1 year) hydrolytically stable,
at pH 4-7-9-11 (50 °C) however unstable
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Conclusions:
- At pH 1.2 (37 °C) the substance is in the sense of the guideline
(t1/2: >1 year) hydrolytically stable at pH 4-7-9-11 (50 °C)
however unstable
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