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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Stability: thermal, sunlight, metals

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
thermal stability
Type of information:
experimental study
Adequacy of study:
key study
Study period:
18th September 2009
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
EU method A.1. No GLP study.
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 113 (Screening Test for Thermal Stability and Stability in Air)
Deviations:
no
Principles of method if other than guideline:
- Principle of test: Differential Thermal Analysis (DTA) / Thermogravimetric Analysis (TGA), and Differential Scanning Calorimetry (DSC).
- Parameters analysed / observed: temperature (ºC), weight loss (%), heat flow (W/g)
GLP compliance:
no
Test substance thermally stable:
yes
Remarks:
up to 1000ºC
Sublimation:
no
Transformation products:
not specified
Conclusions:
Ultramarine Blue decomposes without melting at temperatures over 1000ºC.
Executive summary:

Differential Thermal Analysis (DTA) and Differential Scanning Calorimetry (DSC) were conducted. Ultramarine Blue decomposes without melting at temperatures over 1000ºC.

Description of key information

Key study: Differential Thermal Analysis; DTA and Differential Scanning Calorimetry, DSC were conducted. Ultramarine Blue decomposes without melting at temperatures over 1000ºC.

Additional information

Key study: Differential Thermal Analysis; DTA and Differential Scanning Calorimetry, DSC were conducted. Ultramarine Blue decomposes without melting at temperatures over 1000ºC.

Justification for classification or non-classification

The substance is stable up to temperatures >1000 ºC.