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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Auto flammability

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Administrative data

Link to relevant study record(s)

Description of key information

> 385 °C - not self-heating

Key value for chemical safety assessment

Additional information

The substance Reaction mass of 2-(3,4-dimethyl-1H-pyrazol-1-yl)succinic acid and 2-(4,5-dimethyl-1H-pyrazol-1-yl)succinic acid is a solid with a melting range 150 °C - 178 °C. The results of the test according to the UN-Manual Recommendations on the Transport of Dangerous Goods – Manual of Tests and Criteria UN N.4, Appendix 6 point 5.2.2, and VDI guideline 2263, part 1 Test methods for the Determination of the Safety Characteristics of Dusts demonstrate no self-heating propertes of the substance up to 385 °C.