Registration Dossier
Registration Dossier
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EC number: 421-320-0 | CAS number: 118289-55-7 CP-89,575
Boiling point
Administrative data
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 5 March - 18 June 1996
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 996
- Report date:
- 1996
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: EC Directive 92/69/EEC, Method A2 (Differental Scanning Calorimetry as described in ASTM E 537-76).
- Principles of method if other than guideline:
- The boiling/decomposition was assessed using Differential Scanning Calorimetry as described in ASTM E 537-76.
REAGENTS
Indium pellets: >99% pure, weighing about 6 mg, supplied by Mettler Toledo.
Aluminium oxide: Laboratory reagent, Fisons
PERFORMANCE OF THE TEST
Aluminum oxide (11.57 mg) was weighed into a crucible and this was used as the reference throughout the test Programme.
A series of tests were performed between ambient and 400°C with heating rates of 10, 5, 2 and 1°C/min in an atmosphere of nitrogen - GLP compliance:
- yes
- Type of method:
- differential scanning calorimetry
Test material
- Reference substance name:
- 6-chloro-5-(2-chloroethyl)-1,3-dihydroindol-2-one
- EC Number:
- 421-320-0
- EC Name:
- 6-chloro-5-(2-chloroethyl)-1,3-dihydroindol-2-one
- Cas Number:
- 118289-55-7
- Molecular formula:
- Hill formula: C10 H9 Cl2 N O CAS formula: C10 H9 Cl2 N O
- IUPAC Name:
- 6-chloro-5-(2-chloroethyl)-2,3-dihydro-1H-indol-2-one
- Test material form:
- solid: particulate/powder
- Remarks:
- migrated information: powder
- Details on test material:
- Intended use:Pharmaceutical intermediate
Appearance:Off-white solid
Storage conditions:Dark at 4°C
Date received:2 February 1996
Constituent 1
Results and discussion
Boiling point
- Boiling pt.:
- > 215 - < 233 °C
- Decomposition:
- yes
- Decomp. temp.:
- > 239 °C
- Remarks on result:
- other: substance melted between 216°C and 232°C. The test substance was allowed to resolidify and then reheated yielding a new melting range of 182°C to 221°C
Applicant's summary and conclusion
- Conclusions:
- CP-89,575 melts with chemical change at 216°C- 232°C followed by decomposition from 239°C.
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