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Environmental fate & pathways

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Environmental fate information related to transport and distribution was estimated with the PETRORISK tool. The log Koc values and Henry's Law constant (HLC) values were estimated based on the database included in the model. In addition, distribution to different environmental compartments was modelled with the tool.

The estimation of log Koc values and HLC values is based on individual compound structures, which are included in the CONCAWE Library. The overall range for the estimated log Koc values is from 2.31 to 9.53. The log Koc values of the representative individual structures that form the major part of the substance based on mass fraction (sum 0.64) are in the range 3.83 - 7.14.

The overall range for the estimated Henry's Law constant (HLC) values is from 0.00000083 atm m³/mol to 446 atm m³/mol. The HLC values of the representative individual structures that form the major part of the substance based on mass fraction (sum 0.64) are in the range 0.0114 atm m³/mol - 277 atm m³/mol.

According to the PETRORISK modelling results, major part of the emissions of the substance are distributed to air (ca. 88.7 %). Fractions distributed to other environmental compartments is expected to be low; sediment (6.2 %), soil (3.2 %), water (1.9 %).