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Physical & Chemical properties

Explosiveness

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Reference
Endpoint:
explosive properties of explosives
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because there are no chemical groups present in the molecule which are associated with explosive properties
other:
Justification for type of information:
JUSTIFICATION FOR DATA WAIVING
In accordance with REACH Regulation (EC) No. 1907/2006 Annex VII, column 2 section 7.11 further testing for explosivity does not need to be conducted based on structural assessment of the substance and preliminary screening using differential scanning calorimetry. The substance constituents do not contain groups associated with explosive properties and additionally the calculated oxygen balance for each constituent is < - 200 (Actual = -285). Additional DSC testing consistent with the preliminary testing procedure of the UN Transport Manual for Tests and Criteria 6th edition (2015), indicates that the test item did not release more than 250 J/g at less than 500 °C indicating that it cannot be considered or classified as ‘explosive’ under Regulation (EC) 1272/2008. Furthermore, handling and use confirm that the substance does not have explosive properties. According to ECHA Guidance on Information Requirements and Chemical Safety Assessment (Chapter R.7a: Endpoint Specific Guidance, R.7.1.11, July 2017) further testing does not need to be conducted.

References:
1. UN Transport of Dangerous Goods Manual of Tests and Criteria, Sixth Edition (2015)
2. Bretherick (1999) Bretherick’s Handbook of Chemical Reactive Hazards: An Indexed Guide to Published Data, 6th Edition (2 volume set)
3. ECHA Guidance on Information Requirements and Chemical Safety Assessment (Chapter R.7a: Endpoint Specific Guidance, R.7.1.11.1, version 6.0, July 2017)
4. ECHA Guidance on Application on the CLP Criteria, section 2.1 (version 5.0, July 2017)

Description of key information

Explosiveness: non-explosive; based on structural assessment of the substance and calculated Oxygen Balance < - 200 and available DSC in accordance with UN MTC (2015) indicating the test item did not release more than 250 J/g at less than 500 °C.

Key value for chemical safety assessment

Explosiveness:
non explosive

Additional information

In accordance with REACH Regulation (EC) No. 1907/2006 Annex VII, column 2 section 7.11 further testing for explosivity does not need to be conducted based on structural assessment of the substance and preliminary screening using differential scanning calorimetry. The substance constituents do not contain groups associated with explosive properties and additionally the calculated oxygen balance for each constituent is < - 200 (Actual = -285). Additional DSC testing consistent with the preliminary testing procedure of the UN Transport Manual for Tests and Criteria 6th edition (2015), indicates that the test item did not release more than 250 J/g at less than 500 °C indicating that it cannot be considered or classified as ‘explosive’ under Regulation (EC) 1272/2008. Furthermore, handling and use confirm that the substance does not have explosive properties. According to ECHA Guidance on Information Requirements and Chemical Safety Assessment (Chapter R.7a: Endpoint Specific Guidance, R.7.1.11, July 2017) further testing does not need to be conducted.

 

References:

1. UN Transport of Dangerous Goods Manual of Tests and Criteria, Sixth Edition (2015)

2. Bretherick (1999) Bretherick’s Handbook of Chemical Reactive Hazards: An Indexed Guide to Published Data, 6th Edition (2 volume set)

3. ECHA Guidance on Information Requirements and Chemical Safety Assessment (Chapter R.7a: Endpoint Specific Guidance, R.7.1.11.1, version 6.0, July 2017)

4. ECHA Guidance on Application on the CLP Criteria, section 2.1 (version 5.0, July 2017)

Justification for classification or non-classification

The substance does not meet classification criteria under Regulation (EC) No 1272/2008 for explosivity.

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