Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Endpoint summary

Administrative data

Description of key information

2,4-Pentanedione, peroxide is classified as a peroxide type D. Flammability is an intrinsic hazard in this class.

Self-Accelerating Decomposition Temperature (SADT) of the substances is 60°C (reference SADT: CLP regulations and UN Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria, 5th revised edition, sub-sections 28.1, 28.2, 28.3 and Table 28.3.)

2,4-Pentanedione, peroxide is a colourless, clear organic liquid with a faint odour. The substance is not an aerosol or a gas.

The melting point of 2,4-Pentanedione, peroxide is 7°C.

The relative density of 2,4-Pentanedione, peroxide 30% in solvent mixture at 20°C is 1.0514.

The estimated vapour pressure of 2,4-Pentanedione, peroxide is 6.28 Pa at 20°C.

The partition coefficient log Kow value for 2,4-pentanedione, peroxide is 1.1.

The water solubility of 2,4-pentanedione, peroxide is more than 500 g/L at 20°C.

The substance has no explosive and no oxidising properties.

The dynamic viscosity of 2,4-Pentanedione, peroxide is 26.6 mPa.s (20°C).

The study on corrosion towards metal is technically not feasible.

Additional information