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Environmental fate & pathways

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MTDID 22327 is a volatile substance of low water solubility and high Henry's Law constant.  It is expected to reside in the atmospheric compartment based on volatility.  It is not expected to partition from the atmosphere to terrestrial or aquatic compartments.  Its degradation pathway is expected to be predominantly direct photolysis in the atmosphere, with an atmospheric lifetime of 1600 - 4000 years established by read across from other category members.  We have proposed to waive testing of hydrolysis based on extremely low water solubility, and hydrolysis is not a relevant degradation process in the environment due to non-presence of MTDID 22327 in aquatic systems