Registration Dossier
Registration Dossier
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EC number: 227-369-2 | CAS number: 5809-08-5
Endpoint summary
Administrative data
Description of key information
Additional information
1,1,3,3-tetramethylbutyl hydroperoxide is classified as an organic peroxide type D.
The Self-Accelerating Decomposition Temperature (SADT) of the substances is 60°C (reference SADT: CLP regulations 2.15.2.3 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.)
1,1,3,3-tetramethylbutyl hydroperoxide is a colourless clear liquid. So: The substance is not an aerosol or a gas.
The melting point is below a lower limit of -20°C.
The relative density of 1,1,3,3-tetramethylbutyl hydroperoxide at 20°C is 0.8886
The estimated vapour pressure of 1,1,3,3-tetramethylbutyl hydroperoxide (without volatile impurities) is 15 Pa at 20°C.
The partition coefficient log Kow value for 1,1,3,3-tetramethylbutyl hydroperoxide is 2.9.
The water solubility of 1,1,3,3-tetramethylbutyl hydroperoxide is 2.8 g/L at 20°C.
The flashpoint of the commercial product 1,1,3,3-tetramethylbutyl hydroperoxide with 2.4 -2 % diisobutylene is 37-51°C.
The substance is not flammable and has no explosive and no oxidising properties.
The study on corrosion towards metal is technically not feasible.
The dynamic viscosity of 1,1,3,3-Tetramethylbutyl hydroperoxide is 13.0 mPa.s at 20°C.
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