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EC number: 630-473-4
CAS number: 14595-54-1
4.3/1: Results of the DSC-measurements
Onset of Effect (°C)
Range of effect (°C)
Air pressure (hpa)
-39 to -38 (exo)
21 to 22 (exo)
-50 to -25 (endo)
-10 to 10 (endo)
15 to 35 (endo)
230 to 380 (endo)
230 to 370 (endo)
test item showed an endothermic signal in the temperature range from 230
- 380 °C that can be associated with the boiling of the test item.
the correction of the boiling temperature to standard pressure the test
item was assigned to chemical group 2 (e.g. Hydrocarbons). A correction
value 5.125 was used for the temperature range from 283.95 to 285.85 °C.
lowest measured onset temperature is corrected to the standard pressure
to be 284.147 °C
the highest onset temperature to be 286.033 °C.
As the corrected onset temperatures in both tests deviate by more than
0.5 K from their mean value of 285.09 °C,
the test item has a boiling range from 284 to 286 °C.
further thermal effects were observed up to the test end temperature of
After the DSC measurements a weight loss of about 97 % was detected in
boiling point of the test substance was determined under GLP according
to EU Method A.2 and OECD 103, by differential scanning calorimetry
(DSC). Two main runs were performed; as the difference between the
individual results was greater than the estimated accuracy, the final
result was expressed as a range.
test substance has a boiling range from 284-286 °C
to normal atmospheric pressure (1013 hPa) under nitrogen.
Measured boiling range: 283.95-285.85°C. Corrected boiling range to normal atmospheric pressure (1013 hPa) under nitrogen : 284-286 °C
A fully reliable experimental study,
conducted according to a recognized OECD/EC method and under GLP, is
available. It is considered as a key study. The result being expressed
as a range, it cannot be retained as (single) key data.
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