Registration Dossier
Registration Dossier
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EC number: 904-153-2 | CAS number: -
Endpoint summary
Administrative data
Description of key information
Additional information
All of the components in Polyol TD (i.e. CTF, DMP or TMP) are stable to hydrolysis i.e. the estimated half-life of the components is greater than one year under typical environmental conditions.
The Reaction mass of 2-ethylpropane-1,3-diol(DMP) and 5-ethyl-1,3-dioxane-5-methanol(CTF) and propylidynetrimethanol(TMP)
can not be classified as readily biodegradable, but inherently biodegradable. Two of the components can be considered readily biodegradable (CTF, DMP) and one (TMP) as inherently biodegradable.
The logKow values of all of the major components of Reaction mass of 2-ethylpropane-1,3-diol(DMP) and 5-ethyl-1,3-dioxane-5-methanol(CTF) and propylidynetrimethanol(TMP) are reported to be <3 (see Section 4.7, partition coefficient). According to Column 2 of Annex IX of the REACH regulation, no study is required if the logKow is below the trigger of 3 as the substance can be expected to have a low potential for bioaccumulation.
Based on the physicochemical properties, all the components of the substance Reaction mass of 2-ethylpropane-1,3-diol(DMP) and 5-ethyl-1,3-dioxane-5-methanol(CTF) and propylidynetrimethanol(TMP) can be expected to have a low potential for adsorption to soil. The octanol-water partition coefficient for Polyol TD i.e. log Pow = 0.19 (CTF), -0.2 (DMP) and -0.8 (TMP) is low. A waiver is proposed for this endpoint in line with Column 2 of Annex VIII of the REACH regulation, where no study is required if the logPow is below the trigger of 3 as the substance can be expected to have a low potential for adsorption.
Exposure to the sediment compartment is not likely and it can be expected that all components of Polyol TD have a low potential for adsorption to sediment. Therefore, degradation simulation testing in soil and sediment do not need to be conducted.
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