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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Explosiveness

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Link to relevant study record(s)

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

Description of key information

3,4 dichlorobenzonitrile is considered non explosive, because there are noch chemical groups present that are assotiated with explosive properties.

Furthermore a determination of the lowest explosion border of 3,4-Dichlorobenzonitrile equivalent to DIN 51 649 Part 1(12/86) was performed. A lowest explosion border of 1,5 Vol-% (107.4 g/m3) was measured.

Key value for chemical safety assessment

Explosiveness:
non explosive

Additional information

The studies were conducted according to a slightly different method than guideline A.14 and investigated the mechanical sensitivity of 3,4 -Dichlorobenzonitrile to friction and shock. The thermal sensitivity was not investigated. The results show no explosive properties of 3,4 -Dichlorobenzonitrile as the test substance is not sensitive to shock and friction.

The test methods are very similar to those of guideline A.14 and are described in another document. This fact does not impair the conclusion of the test results.

Furthermore a determination of the lowest explosion border of 3,4-Dichlorobenzonitrile equivalent to DIN 51 649 Part 1(12/86) was performed. Alowest explosion border of 1,5 Vol-% (107.4 g/m3) was measured.

Justification for classification or non-classification

3,4 dichlorobenzonitrile is considered non explosive, because there are noch chemical groups present that are assotiated with explosive properties.