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Diss Factsheets

Physical & Chemical properties

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Administrative data

Endpoint:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
23 January 2014 - 24 January 2014
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: In accordance with EU method and GLP.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2014
Report date:
2014

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.16 (Relative Self-Ignition Temperature for Solids)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
3,20-bis(ethylenedioxy)pregna-5,7-diene
EC Number:
243-175-0
EC Name:
3,20-bis(ethylenedioxy)pregna-5,7-diene
Cas Number:
19592-55-3
Molecular formula:
C25H36O4
IUPAC Name:
(1S,3aR,9aR,9bS,11aS)-9a,11a-dimethyl-1-(2-methyl-1,3-dioxolan-2-yl)-1,2,3,3a,6,8,9,9a,9b,10,11,11a-dodecahydrospiro[cyclopenta[a]phenanthrene-7,2'-[1,3]dioxolane]
Test material form:
solid: crystalline
Details on test material:
Description Slightly yellow crystalline powder
Test substance storage At room temperature (<25°C) in the dark


Results and discussion

Relative self-ignition temperature (solids)
Remarks on result:
other: Based on the results obtained the test substance is considered ‘not self -ignitable’.

Any other information on results incl. tables

No endothermic or exothermic effect of the test substance was observed. It demonstrated that the test substance is not self-ignitable. After the experiment, the test substance had expanded and turned into a black grey residue and was collected in a container that was placed below the cube. It indicated that the test substance had been molten, decomposed and/or reacted during the experiment.

Applicant's summary and conclusion

Conclusions:
The self-ignition temperature of Proketal was determined using a temperature programmed laboratory
oven, a stainless steel wire mesh cube, NiCr/NiAl thermocouples and a temperature recording device.
Based on the results obtained the test substance is considered ‘not self -ignitable’.