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Physical & Chemical properties

Melting point / freezing point

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Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: The study has been performed according to OECD and EC guidelines and according to GLP principles.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2007
Report Date:
2007

Materials and methods

Test guideline
Qualifier:
according to
Principles of method if other than guideline:
Differential Scanning Calorimetry (DSC) according to the
following guidelines:


European Economic Community (EEC), EEC-Directive 92/69 EEC,
Part A, Methods for the Determination of Physico-Chemical
Properties, A.1 "Melting/Freezing temperature", EEC
Publication No. L383, December 1992.


Organization for Economic Co-operation and Development
(OECD), OECD guidelines for Testing of Chemicals, guideline
no. 102: "Melting point/Melting range", July 27, 1995.
GLP compliance:
yes (incl. certificate)

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- Name of test material (as cited in study report): TC4ASO2
- Substance type: multi-constituent
- Physical state: white powder
- Analytical purity: 97.8%
- Composition of test material, percentage of components: 92.9% 4-tert-Butylsulfonylcalix(4)arene (CAS 204190-49-8)
4.9% 4-tert-Butylsulfonylcalix(8)arene
- Lot/batch No.: AYUI-1Y
- Expiration date of the lot/batch: 07 October 2007
- Stability under storage conditions: Stable
- Storage condition of test material: At room temperature in the dark

Results and discussion

Melting / freezing point
Decomposition:
yes
Decomp. temp.:
ca. 300 °C

Any other information on results incl. tables

Melting of the test substance was not observed before
reaction and/or decomposition occurred (which occurred approximately at 300 deg C).

Applicant's summary and conclusion

Conclusions:
The test substance has no melting temperature.