Registration Dossier

Administrative data

Endpoint:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2019
Report date:
2019

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.16 (Relative Self-Ignition Temperature for Solids)
Version / remarks:
May 2008
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
4-nitrobenzoic acid
EC Number:
200-526-2
EC Name:
4-nitrobenzoic acid
Cas Number:
62-23-7
Molecular formula:
C7H5NO4
IUPAC Name:
4-nitrobenzoic acid
Test material form:
solid: crystalline

Results and discussion

Relative self-ignition temperature (solids)
Key result
Remarks on result:
no self-ignition observed up to the melting point

Applicant's summary and conclusion

Conclusions:
A certain volume of the test item under the assay was placed into an oven at ambient
temperature; the temperature/time curve was recorded while the temperature of the oven was
increased up to the melting point, at a rate of approximately 0.5 °C/min. For the purpose of
this test, the temperature of the oven at which the sample temperature reaches 400 °C by
self-heating is called the self-ignition temperature.
Three replicate tests were performed.
In the course of this study the test item 4-Nitrobenzic acid did not self-ignite up to the
melting point. Thus, no self-ignition temperature could be stated.
Executive summary:

Three consecutive tests were performed. A temperature-time curve can be seen in Figure 1.
In the course of this study the test item 4-Nitrobenzic acid did not self-ignite up to the melting
point (237 - 240 °C, based on Material Safety Data Sheet, provided by the Sponsor). Thus, no
self-ignition temperature could be stated.