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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Link to relevant study record(s)

Reference
Endpoint:
explosive properties of explosives
Type of information:
other: Expert statement
Adequacy of study:
key study
Study period:
05 November 2015
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Qualifier:
according to guideline
Guideline:
other: As per the screening evaluation recommnded in CLP, UN Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria as well as REACH
Version / remarks:
The screening procedure as described in:
- CLP, Annex I, Part 2, paragraphs 2.1.4.2 and 2.1.4.3
- Appendix 6 of the UN Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria
- Technical Guidance Document on the Information Requirements for REACH, Part 2 EWG 1-7, REACH Implementation Project (RIP) 3.3 Phase 2, chapter 7.1.11.3
Deviations:
no
GLP compliance:
no
Key result
Parameter:
other: Determination of the exothermic decomposition energy
Remarks on result:
other: The overall energy release is below a critical trigger level of 500 J/g and the onset of energy release is below 500 °C.
Parameter:
other: calculated chemical oxygen balance
Remarks on result:
other: calculated chemical oxygen balance is above the trigger value of -200

Screening evaluation:

Analysis of the molecular structure of the substance revealed that one azo group representing a chemical alert structure for explosive properties is present in the molecule.

The oxygen balance was calculated to be -113.20 and therefore is higher than the trigger value of -200.

Determination of the exothermic decomposition energy:

The curve displayed one exothermic peak between 300 °C and 350 °C with a total energy release of 113.22 J/g which is considered to represent substance decomposition. As a result, the overall energy release is below a critical trigger level of 500 J/g and the onset of energy release is below 500 °C.

Interpretation of results:
GHS criteria not met
Conclusions:
The substance is considered to be non-explosive based on the screening evaluation.
Executive summary:

A screening for the explosive properties of the substance was carried out according to internationally accepted guidelines. Analysis of the chemical structure revealed one azo group representing a chemical alert structure for explosive properties is present in the molecule. The calculated chemical oxygen balance is above the trigger value of -200, but the determination of the exothermic decomposition energy demonstrated an energy release far below the critical value of 500 J/g. Therefore, the substance is considered to be non-explosive according to Regulation (EC) 1272/2008 and no further testing is required.

Description of key information

The substance is considered to be non-explosive based on the screening evaluation.

Key value for chemical safety assessment

Explosiveness:
non explosive

Additional information

A screening for the explosive properties of the substance was carried out according to internationally accepted guidelines. Analysis of the chemical structure revealed one azo group representing a chemical alert structure for explosive properties is present in the molecule. The calculated chemical oxygen balance is above the trigger value of -200, but the determination of the exothermic decomposition energy demonstrated an energy release far below the critical value of 500 J/g. Therefore, the substance is considered to be non-explosive according to Directive 67/548/EEC and Regulation (EC) 1272/2008 and no further testing is required.

Justification for classification or non-classification

The test substance has been considered to be non-explosive based on the expert statement, hence does not warrant classification according to the EU Classification, Labelling and Packaging of Substances and Mixtures (CLP) Regulation (EC) No. 1272/2008.