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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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


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Administrative data

Link to relevant study record(s)

Description of key information

Explosivity can be defined as the tendency of a substance to undergo violent and rapid decomposition, under appropriate conditions, to produce heat and or gas. Whether or not a substance with explosive properties can cause an explosion depends on a number of factors. These include: the degree of confinement, the strength of the container it is in, the rate of heating, the nature of the initiation source, etc. (Guidance on information requirements and chemical safety assessment - Chapter R.7a: Endpoint specific guidance). Table R.7.1-28 of the guidance document provides a list of chemical groups that are known to contribute to explosivity. 
According to Column 2 of REACH Annex VII (standard information requirements for substances manufactured or imported in quantities of 1 tonne per year or more) of Regulation (EC) No 1907/2006 a study to determine the explosiveness does not need to be conducted if there are no chemical groups associated with explosive properties present in the molecule.
Sulphuric acid, compound with graphite is an inorganic solid, consisting of natural graphite and variable amounts of intercalated sulphuric acid. The substance does not contain relevant functional groups known to contribute to explosivity.
Long-term experience in manufacturing, handling and use of sulphuric acid, compound with graphite shows that the substance is incapable to detonate. Taking into account the field of application (flame retardant additive for plastics and foams) of sulphuric acid, compound with graphite, it can be concluded that explosivity is not a concern for this substance. Hence a study on explosiveness is considered not to be necessary and is not required under Regulation (EC) No 1907/2006 (REACH).

Key value for chemical safety assessment

non explosive

Additional information

Justification for classification or non-classification