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Diss Factsheets

Administrative data

Endpoint:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
11th February 2019 - 3rd April 2019
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

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

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: UN Test N.4
Principles of method if other than guideline:
The test item was exposed to air at 140°C using a temperature controlled laboratory oven, a cubic stainless steel wire 10 cm sample container, NiCr/Ni thermocouples and a temperature recording device.

A sample container with dimensions of 101010 cm and a mesh size of 0.053 mm was filled with the test item. The container was housed in a stainless steel container cover of 111111 cm with a mesh size of 0.60 mm.

One thermocouple (Testo 735-2, Testo BV, Almere, The Netherlands) was placed at the centre of the sample container. To avoid the effect of air circulation the sample container was installed in a stainless steel cage of 151525 cm with a mesh size of 0.60 mm. The sample container was placed in the centre of the oven. The other thermocouple was placed between the sample container and the wall of the oven.

The oven temperature was raised to 140°C  2°C and kept for 24 hours. The temperature of the sample and the oven were recorded with time intervals of 5 minutes. After the experiment, the sample was cooled and the consistency of the test item was determined.

The test item was protected from light.
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
2,9,16,23-tetrakis(2,5-di-tert-butyl-4-methoxyphenoxy)phthalocyanine
EC Number:
831-167-5
Cas Number:
2126827-44-7
Molecular formula:
C92H106N8O8
IUPAC Name:
2,9,16,23-tetrakis(2,5-di-tert-butyl-4-methoxyphenoxy)phthalocyanine
Test material form:
solid
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material:
Authentix, 2715/18/01
- Expiration date of the lot/batch: 01 July 2020
- Purity test date:
11 July 2018

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material:
At room temperature protcted from light
- Stability under test conditions: Stable

Results and discussion

Relative self-ignition temperature (solids)
Key result
Remarks on result:
no self ignition observed under the test conditions

Applicant's summary and conclusion

Conclusions:
The substance is not self-heating
Executive summary:

Self-heating of2,9,16,23-tetrakis(2,5-di-tert-butyl-4-methoxyphenoxy)phthalocyaninewas determined in accordance with UN Test N.4 and GLP standards.

It was concluded that 2,9,16,23-tetrakis(2,5-di-tert-butyl-4-methoxyphenoxy)phthalocyanineis not a self-heating substance, based on the negative result obtained at 140°C using a 10 cm sample cube,