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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Di-tert-butyl 1,1,4,4-tetramethyltetramethylene diperoxide is classified as aperoxide type C.Flammabilityis an intrinsic hazard in this class. TheSelf Accelerating Decompostion Temperature(SADT)is80 ºC.

Di-tert-butyl 1,1,4,4-tetramethyltetramethylene diperoxide is a clear light yellow liquidwith a characteristic peroxide-like mild organic odour, so the substance is not a gas or an aerosol.

Themelting pointof di-tert-butyl 1,1,4,4-tetramethylene diperoxide is 8°C.

Thedensityof  di-tert-butyl 1,1,4,4-tetramethylene diperoxide at 20°C is 0.872 g/cm3.

The estimatedvapour pressureof di-tert-butyl 1,1,4,4-tetramethylene diperoxide is 0.00175 Pa at 20°C.

Thepartition coefficientlog Kow of di-tert-butyl 1,1,4,4-tetramethyltetramethylene diperoxide is 7.34.

Thewater solubilityof di-tert-butyl 1,1,4,4-tetramethyltetramethylene diperoxide is 152µg/L at ambient temperature.

Theflash pointof Di-tert-butyl 1,1,4,4-tetramethyltetramethylene diperoxide is 68°C.

Di-tert-butyl 1,1,4,4-tetramethyltetramethylene diperoxide hasno explosiveandno oxidizing properties.

The study on corrosion towards metal is technically not feasible.

Theviscosityof di-tert-butyl 1,1,4,4-tetramethylene diperoxide 7.35 mPa.s at 12 rpm (20°C).


Additional information