2,9,16,23-tetrakis(2,5-di-tert-butyl-4-methoxyphenoxy)phthalocyanine

Boiling point

Administrative data

Endpoint:

boiling point

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

Test guideline 1

Qualifier:

according to guideline

Guideline:

OECD Guideline 103 (Boiling Point)

Deviations:

no

Test guideline 2

Qualifier:

according to guideline

Guideline:

EU Method A.2 (Boiling Temperature)

Deviations:

no

Test guideline 3

Qualifier:

according to guideline

Guideline:

EPA OPPTS 830.7220 (Boiling Point / Boiling Range)

Deviations:

no

GLP compliance:

yes

Type of method:

differential scanning calorimetry

Test material

Test material information

Constituent 1

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

Boiling point

Key result

Decomposition:

yes

Decomp. temp.:

325 °C

Remarks on result:

not determinable

Remarks:

Decomposition occured before the boiling point could be assessed

Any other information on results incl. tables

Preliminary test:

Starting at 425°C, the weight of the sample decreased significantly. At 454°C, the sample weight had decreased by 25%.After the experiment, a black charred expanded residue remained in the sample container (original colour:dark green) and a black charred residue was observed on the lid of the sample container. The change of the colour indicated reaction and/or decomposition of the substance.

Main study.

A broad endothermic effect was observed between 100°C and 300°C directly followed by an endothermic effect starting at 325°C. Based on the effect between 100°C and 300°C and the 1% weight loss during the preliminary test at the same temperatures, the first endothermic effect was most likely obtained due to the evaporation of a small part of the substance. The second endothermic effect was probably obtained due to reaction and/or decomposition of the substance.After the experiment, a dark blue/black molten residue remained in the sample container (original colour: dark green). The change of the colour indicated reaction and/or decomposition of the substance.

Applicant's summary and conclusion

Conclusions:

Boiling of the substance was not observed below the temperature at which reaction and/or decomposition started. Based on this, the substance has no boiling temperature.

Executive summary:

The boiling temperature has been tested employing differential scanning calorimetry (DSC) according to OECD guideline 103, EC guideline A.2, and OPPTS 830.7220. Reaction and/or decomposition of the substance was observed during DSC experiment starting at 325°C (598K). Boiling of the substance was not observed below the temperature at which reaction and/or decomposition started. Based on this, the substance has no boiling temperature.