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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Additional information

5-Methylheptan-3-one is a colourless liquid with a low viscosity of 0.848 mPa * s at 20 °C and a relative density of 0.82. The substance melts at -57 °C and boils at 159 °C. The vapour pressure is 270 Pa at 25 °C. The solubility in water is 1.92 g/L at 20°C.

The Log Pow was estimated to be 2.15 which was confirmed by data on other ketones. The substance is surface active with a surface tension of 53.9 mN/m at 20°C and a concentration of 1 g/L.

The flash point is 43 °C and the autoflammability temperature is 405°C at standard pressure. Due to the flash point below 60°C, 5-methylheptan-3-one is classified as flammable.