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Reference
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
Qualifier:
according to guideline
Guideline:
other: VDI guideline 2263, part 1
Version / remarks:
1990
Deviations:
no
Principles of method if other than guideline:
As a screening test the Grewer oven test was made.
GLP compliance:
yes
Specific details on test material used for the study:
Batch number: CHC 005
Date of receipt: 2016-08-22
Expiry date: 2021-07-19

Content:
1,4-Dichloro-5,8-dihydroxyanthraquinone: 77.59 %
Isomer of 1,4-Dichloro-5,8-dihydroxyanthraquinone: 9.06 %
C14H8O4: 1.82 %
C14H5O4Cl3: 2.58 %
C14H5O4Cl3: 2.00 %
Components < 1 % (sum of 5): 1.82 %
Sulphated ash: 4.60 %
Water: 0.42 %

Physical condition: Solid
Test material form: Powder
Storage: Room temperature
Remarks on result:
other: no self-heating behavior

In the temperature/time graph was no significant exothermic reaction. At the end of the test the basket was empty.

With respect to appendix 6, chapter 5.2.2 of UN-MTC there were no additional tests necessary.

Conclusions:
1,4-Dichloro-5,8-dihydroxyanthraquinone shows no self-heating behavior according to VDI guideline 2263.
Executive summary:

The test was performed as stipulated in UN-MTC procedure N.4.

As a screening test the Grewer oven test (VDI guideline 2263, part 1, 1990) was made.

The substance under test was placed in a wire basket with 8 ml volume in a tube shaped oven at room temperature. The oven was heated up with a rate of 0.5 K/min up to 420 °C. The temperature of the center of the sample and the temperature of an inert reference sample, which was placed in another tube of the same oven, were recorded. Both samples were vented with air with a rate of 20 L/h.

In the temperature/time graph was no significant exothermic reaction. At the end of the test the basket was empty.

With respect to appendix 6, chapter 5.2.2 of UN-MTC there were no additional tests necessary.

Description of key information

The test was performed as stipulated in UN-MTC procedure N.4.

As a screening test the Grewer oven test (VDI guideline 2263, part 1, 1990) was made.

The substance under test was placed in a wire basket with 8 ml volume in a tube shaped oven at room temperature. The oven was heated up with a rate of 0.5 K/min up to 420 °C. The temperature of the center of the sample and the temperature of an inert reference sample, which was placed in another tube of the same oven, were recorded. Both samples were vented with air with a rate of 20 L/h.

In the temperature/time graph was no significant exothermic reaction. At the end of the test the basket was empty.

With respect to appendix 6, chapter 5.2.2 of UN-MTC there were no additional tests necessary.

Key value for chemical safety assessment

Additional information