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Environmental fate & pathways

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Based on the result of the octanol/water partition coefficient (Log Kow of -1.07) monopropylene glycol is expected to have a low potential for adsorption/desorption.


The calculated Henry's law constant at environmental relevant temperature is 0.0566 Pa.m3/mol using EUSES calculation (The European Union System for the Evaluation of Substances, 2008).

Volatility is not expected to be a significant fate process due to its low vapor pressure and high water solubility.

Based on the EPIWIN Level III Fugacity Model monopropylene glycol is expected to partition primarily to soil (48.1%) and water (48.8%). (OECD SIDS, 2001).