Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
27 November 2007
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Valid method according to company guideline, but limited documentation

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2008
Report date:
2008

Materials and methods

Principles of method if other than guideline:
Differential Scanning Calorimetry (DSC)
Type of method:
thermal analysis
Remarks:
DSC

Test material

Constituent 1
Chemical structure
Reference substance name:
Reaction mass of Fatty acids, montan-wax and Montan wax
EC Number:
914-468-7
Molecular formula:
R-CH2-COOH mainly
IUPAC Name:
Reaction mass of Fatty acids, montan-wax and Montan wax
Details on test material:
- Name of test material (as cited in study report): Licowax S
- Physical state: Solid (flakes)
- Analytical purity: 99.8% (w/w)

Results and discussion

Melting / freezing point
Melting / freezing pt.:
ca. 58 °C
Decomposition:
yes
Decomp. temp.:
> 140 °C

Any other information on results incl. tables

The onset of the endothermal effect in the DSC curve was taken as the melting point. Under air, decomposition due to oxidation occurs above 140 °C (see section 4.3 and attached expert statement).

Applicant's summary and conclusion

Conclusions:
The melting point of the test substance is 58 °C.
Executive summary:

Differential Scanning Calorimetry (DSC) reveals a melting point of 58 °C of the test substance.