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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Tert-butyl peroxybenzoate is classified as a peroxidetype C.  The Self Accelerating Decomposition Temperature (SADT) of tert-butyl peroxybenzoate is60 ºC. Flammabilityis an intrinsic hazard in this class. 

Tert-butyl peroxybenzoate is a colourless to slightly yellow organicliquidwith a mild aromatic odour, So tert-butyl peroxybenzoateis not an aerosol or a gas under pressure.

Themelting rangeof tert-butyl peroxybenzoate is between 9°C and 11°C.

Thedensityof tert-butyl peroxybenzoate is 1.04 g/cm3 at 20°C.

Thevapour pressureof tert-butyl peroxybenzoate is 0.003 Pa at 20°C.

The n-octanol/waterpartition coefficientof tert-butyl peroxybenzoate log Pow= 3.0 at 25 °C.

Thewater solubilityof tert-butyl peroxybenzoate is 1180mg/L.

The substance hasno explosiveandno oxidizingproperties.

The study on corrosion towards metal is technically not feasible.

 Theviscosityof tert-butyl peroxybenzoate is 7.50 mPas.

Additional information